publicationDate stringlengths 10 10 | abstract stringlengths 0 37.3k | title stringlengths 1 5.74k | doi stringlengths 11 47 ⌀ |
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2022-06-01 | Because of its outstanding strength-to-density ratios, corrosion resistance, and other superior properties, Ti-6Al-2Zr-1Mo-1 V titanium alloy (TA15) is widely employed in aeronautics and astronautics. TA15 is a typical difficult-to-cut material with low heat conductivity, a high cutting temperature, and an easy adhesio... | Machinability investigations in cryogenic internal cooling turning Ti-6Al-2Zr-1Mo-1 V titanium alloy | 10.1007/s00170-022-09117-z |
2022-06-01 | The recently developed dual-phase (DP) non-equiatomic Fe_50Mn_30Co_10Cr_10 (at.%) high-entropy alloy (HEA) showed much higher strength and ductility compared to the single-phase equiatomic Fe_20Mn_20Ni_20Co_20Cr_20 (at.%) HEA at room temperature. Herein we probe the cryogenic mechanical properties of the non-equiatomic... | Cryogenic mechanical behavior of a TRIP-assisted dual-phase high-entropy alloy | 10.1007/s12274-021-3719-y |
2022-05-14 | Molecular dynamics simulations are performed to investigate the cryogenic nano-cutting of monocrystalline γ-TiAl alloy. Effects of different low-temperature conditions on material properties and surface integrity are systematically investigated, aiming to predict the optimal low-temperature processing conditions of mon... | Effect of cryogenic nano-cutting on surface integrity of the single crystal γ-TiAl alloy via atomic simulation | 10.1007/s00339-022-05640-8 |
2022-05-01 | A novel severe plastic deformation is carried out on a medium Mn advanced high strength steel (AHSS) at both room and cryogenic temperatures which is called surface mechanical impact treatment (SMIT). After characterization, utilizing the design of experiment (DOE) program, it is obtained that how the SMIT parameters i... | Effects of a Novel Severe Plastic Deformation Approach on Microstructural and Mechanical Characteristics of a Medium Manganese Advanced High Strength Steel | 10.1007/s12540-021-01007-5 |
2022-05-01 | There is a tremendous increase in the demand for converting biomaterials into high-quality industrially manufactured human body parts, also known as medical implants. Drug delivery systems, bone plates, screws, cranial, and dental devices are the popular examples of these implants - the potential alternatives for human... | A comprehensive review on metallic implant biomaterials and their subtractive manufacturing | 10.1007/s00170-022-08770-8 |
2022-05-01 | Abstract Based on the analysis of the results of experiments on deuterated fibers, frozen deuterium fibers, and heterogeneous low-density targets, it can be concluded that low-density monodisperse cryogenic targets with a complex microheterogeneous structure are most suitable for the further investigation of emitting Z... | Use of Condensed Deuterium and Cryogenic Monodisperse Targets as Loads for Studying Megaampere Z-Pinches | 10.1134/S1063780X22200041 |
2022-05-01 | The magnetocaloric (MC) effect-based solid-state magnetic refrigeration (MR) technology has been recognized as an alternative novel method to the presently commercialized gas compression technology. Searching for suitable candidates with promising MC performances is one of the most urgent tasks. Herein, combined experi... | Magnetic properties and promising magnetocaloric performances in the antiferromagnetic GdFe_2Si_2 compound | 10.1007/s40843-021-1967-5 |
2022-05-01 | The objective of this research was to investigate the effectiveness of application of liquid nitrogen (LN_2) in turning of Inconel 718 compared to flooded cutting and select suitable LN_2 cutting parameters using response surface methodology (RSM). The results of turning experiments conducted by spraying LN_2 to the cu... | Turning of Inconel 718 using liquid nitrogen: multi-objective optimization of cutting parameters using RSM | 10.1007/s00170-022-08906-w |
2022-04-01 | Abstract The cyclic deep cryogenic treatment was proposed to improve both the hardness and corrosion resistance of the high strength 7075 aluminum alloy. The effect of different CDCT times on the exfoliation corrosion and intergranular corrosion of the alloys were observed by scanning electron microscope. The corrosion... | Effect of Cyclic Deep Cryogenic Treatment on Corrosion Resistance of 7075 Alloy | 10.1007/s12540-021-00975-y |
2022-04-01 | The ARIEL mission is a space project consisting of a spacecraft with the goal of detecting exoplanets and observing the characteristics of their atmospheres. One of the main sub-systems of the payload is the telescope that must operate under cryogenic conditions to guarantee its adequate performance and the mission suc... | Thermoelastic evaluation of the payload module of the ARIEL mission | 10.1007/s10686-021-09704-0 |
2022-04-01 | The temperature dependences of resistance for the p-type conductivity solid solution silicon–germanium whiskers doped by boron with concentration of 1 × 10^18 cm^−3 were investigated in the temperature range of 4.2–300 K and under the uniaxial compressive strain till − 3 × 10^–3 rel. un. We studied the strain influence... | Strain-induced splitting in valence band of Si–Ge whiskers | 10.1007/s13204-021-01747-1 |
2022-04-01 | ARIEL, the Atmospheric Remote-sensing Infrared Exoplanet Large-survey, was selected as the fourth medium-class mission in ESA’s Cosmic Vision program. ARIEL is based on a 1 m class telescope optimized for spectroscopy in the waveband between 1.95 and 7.8 micron and operating in cryogenic conditions. Fabrication of the ... | Qualification of the thermal stabilization, polishing and coating procedures for the aluminum telescope mirrors of the ARIEL mission | 10.1007/s10686-022-09852-x |
2022-04-01 | The redistribution of C and N atoms during cryogenic treatment is crucial for the microstructure evolution and properties of high nitrogen martensitic steel. Here, the distinct redistribution behavior of C and N atoms in a martensitic stainless steel with 0.3 wt% C and 0.5 wt% N after cryogenic treatment were investiga... | Redistribution of C and N Atoms in High Nitrogen Martensitic Stainless Steel During Cryogenic Treatment | 10.1007/s40195-021-01265-7 |
2022-03-04 | In the present work, the structure, magnetic properties, and cryogenic magnetocaloric effect of weberite-type oxides Gd_3MO_7 (M = Nb, Sb, and Ta) are reported through powder X-ray diffraction, bulk susceptibility, and heat capacity measurements, as well as scaling law analysis and a mean-field approach. A remarkably l... | Large magnetic entropy change in weberite-type oxides Gd_3MO_7 (M = Nb, Sb, and Ta) | 10.1007/s11433-021-1834-4 |
2022-03-01 | The effects of variable cryogenic temperature on the mechanical and electromechanical properties are implemented for REBCO coated conductor (CC) tapes. A versatile facility was used to provide the successive cooling environment from room temperature (about 293 K) to 5 K with a cryogenic-type extensometer for the strain... | Cryogenic Temperature Dependence of Mechanical Properties and Strain Dependence of Critical Current of Commercial REBCO Coated Conductors | 10.1007/s10909-021-02655-y |
2022-03-01 | The integration of machining as a post-processing method for additive manufacturing (AM) can promote the industrialization of AM and enable it to meet the requirements of high-value industries. This integration introduces several challenges for the machining process, which are related to process design and planning. A ... | A comparative study of dry and cryogenic milling for Directed Energy Deposited IN718 components: effect on process and part quality | 10.1007/s00170-021-08313-7 |
2022-03-01 | This work mainly focuses on the effectiveness of both rake and flank face application of the different metal working fluid (MWF) strategies such as liquid CO_2, minimal quantity lubrication (MQL), and emulsion in face milling of Ti–6Al–4V alloy. Modified CoroMill 600 cutter via internal channels to both rake and flank ... | Mechanical and Thermal Load Effects of Novel MWFs Delivery Method in Milling of Ti–6Al–4V | 10.1007/s40684-020-00288-2 |
2022-03-01 | To prevent the spread of SARS-CoV-2 in cold-chain transportation in China, we developed specific cryogenic disinfectants. Carrier tests were performed against SARS-CoV-2 at − 20 °C for the four cryogenic disinfectants developed and qRT-PCR was used to test the virus RNA. Peracetic acid, chlorine disinfectants (two diff... | Effectiveness of Disinfectants Suitable for Inactivating SARS-CoV-2 at Cold-Chain Temperature | 10.1007/s12560-022-09509-0 |
2022-03-01 | Hydraulic fracturing is a commonly used stimulation method in developing tight sandstone reservoirs. Creation of complex fracture networks to enlarge stimulated reservoir volume plays an increasingly significant role. However, planar fracture patterns are generally generated by water-based fluid fracturing. Besides, th... | Fracture Initiation and Morphology of Tight Sandstone by Liquid Nitrogen Fracturing | 10.1007/s00603-021-02755-x |
2022-03-01 | Alloys with combined outstanding strength and excellent ductility are highly desirable for many structural applications. However, alloys subjected to deformation at very high strain rates and/or cryogenic temperatures usually suffer from very limited ductility. Here, we demonstrate that a bulk CrCoNi medium-entropy all... | Exceptional high-strain-rate tensile mechanical properties in a CrCoNi medium-entropy alloy | 10.1007/s40843-021-1798-6 |
2022-02-18 | This study evaluated morphophysiological, and biochemical aspects of seeds of two bromeliad species, Vriesea reitzii and Vriesea philippocoburgii , after the cryopreservation of their capsules. The capsules were grouped according to the initial seeds moisture content, and stored at − 196 ºC (cryopreservation) and 4 ºC ... | Morphophysiology and polyamine content in seeds from cryopreserved capsules of two Vriesea species | 10.1007/s11738-022-03377-8 |
2022-02-14 | This paper describes history and technical evolution of portable devices which use energy-dispersive X-ray fluorescence (EDXRF)-analysis to study works of art. The history starts in 1971, when the first transportable equipment was employed to examine the pigments of Raphael’s painting “La Deposizione” during restoratio... | From Raphael (La Deposizione) to Raphael (La Fornarina): a Circumnavigation Accompanying the Evolution of Energy-Dispersive XRF Devices | 10.1007/s13538-021-01042-y |
2022-02-05 | Key message The immature seeds of Dendrobium nobile acquire resistance to freezing and long-term storage in a cryobank at the age of 6 months after pollination. Abstract Seed maturation of Dendrobium nobile Lindl to establish the optimal stage for long-term storage of immature seeds in liquid nitrogen was studied. Imma... | Morphophysiology and cryopreservation of seeds of Dendrobium nobile Lindl. (Orchidaceae) at different stages of development | 10.1007/s11738-022-03372-z |
2022-02-01 | Valves are key components of the safety of fluid transportation systems because of induced disturbance and cavitation damage in them. In this study, a 2D model of a cryogenic globe valve with liquid nitrogen (LN_2) as working fluid was established by Fluent, and thermal effects were specially considered in the simulati... | Cavitation evolution and damage by liquid nitrogen in a globe valve | 10.1631/jzus.A2100168 |
2022-02-01 | The use of cryogenic coolants as an alternative cooling technique has been applied widely in recent years because of the many problems associated with conventional cutting fluids. No paper has been published to date on the milling of AZ31 magnesium alloy under dipped cryogenic cooling approach. The comprehensive result... | An Experimental Investigation on Machinability of AZ31B Magnesium Alloy under Dry and Dipped Cryogenic Approaches | 10.1007/s11665-021-06264-4 |
2022-02-01 | Hole shrinkage is a common phenomenon in drilling difficult-to-cut materials like Ti6Al4V due to their poor thermal properties and high elasticity, which can lead to increase in tool wear and decrease in surface integrity. In this study, an in-depth analysis of hole shrinkage mechanism is carried out through a hybrid m... | A hybrid modelling approach for characterizing hole shrinkage mechanisms in drilling Ti6Al4V under dry and cryogenic conditions | 10.1007/s00170-021-08229-2 |
2022-02-01 | By combining cryo-rolling and post-annealing treatments, the nanostructured NiTi alloy is produced. A differential scanning calorimetry measurement was used to test the effect of the preparation process on phase transformation. The cryo-rolling changes the tensile fracture of NiTi alloy to a ductile manner. Interesting... | Improving the Mechanical and Tribological Properties of NiTi Alloys by Combining Cryo-Rolling and Post-Annealing | 10.1007/s40195-021-01253-x |
2022-02-01 | Abstract — The radiochemical and neutron-physical characteristics of a pelletized cryogenic moderator based on a mesitylene mixture (a mixture in the form of frozen pellets) obtained during its operation at the pulsed fast reactor IBR-2 are presented. It is shown that changes in the properties of the mixture at high ab... | Some Features of the Operation of Pelletized Cryogenic Mesitylene-Based Moderators at the IBR-2 Pulsed Fast Reactor | 10.1134/S1027451022010037 |
2022-02-01 | In this study, a cryogenic abrasive air jet machining (CAAJM) experimental system is designed and built based on the glass transition characteristics of polydimethylsiloxane (PDMS). Fixed processing parameters are then used to evaluate the effectiveness of machining PDMS by abrasive air jet machining (AAJM) at room and... | Experimental investigations of machining characteristics on polydimethylsiloxane (PDMS) by cryogenic abrasive air-jet machining | 10.1007/s00170-021-08147-3 |
2022-02-01 | The results obtained are an experimental confirmation of the effect of the cryosurface material on the process of the onset of cryocondensation radiation during the condensation of gases such as nitrous oxide, ethanol, and methanol. It is shown that regardless of the material of the optical system of the surface, wheth... | The Effect of the Cryosurface Materials on the Cryoemission Parameters of Some Gases | 10.1007/s10909-021-02648-x |
2022-02-01 | Inconel 718 is famous for its applications in the aerospace industry due to its inherent properties of corrosion resistance, wear resistance, high creep strength, and high hot hardness. Despite the favorable properties, it has poor machinability due to low thermal conductivity and high hot hardness. To limit the influe... | Machinability analysis of dry and liquid nitrogen–based cryogenic cutting of Inconel 718: experimental and FE analysis | 10.1007/s00170-021-08173-1 |
2022-02-01 | Metal Matrix Nano Composites (MMNCs) are progressive alternatives of formal metal materials, are presently accomplishing a growing inclination of research and engineering approaches for challenging operations such as aviation, nuclear power, and automotive for the improved mechanical properties and comparatively light ... | Sustainable Drilling of Nano SiC Reinforced Al Matrix Composites Using MQL and Cryogenic Cooling for Achieving the Better Surface Integrity | 10.1007/s12633-021-00977-w |
2022-02-01 | In this paper, operational principles of a cryogenic memory cell that utilizes high-temperature superconductors (high-T_c) are presented. Such a cell consists of three inductively coupled Josephson junctions coupled via inductors. Design and operational logic of this type of cell were recently introduced and demonstrat... | High-T_c Superconducting Memory Cell | 10.1007/s10948-021-06069-5 |
2022-02-01 | Abstract This letter consider arrays of vertically oriented silicon wires obtained by cryogenic dry etching of silicon substrates with a free electron density of n = 10^16 and 10^17 cm^–3, a height of 6 µm, and a diameter of 1.7 and 1.2 µm, respectively. It is shown that gold sputtering makes it possible to form a Sch... | Study of Schottky Diodes Based on an Array of Silicon Wires Obtained by Cryogenic Dry Etching | 10.1134/S106378502202002X |
2022-02-01 | Hybrid superconductor-ferromagnet materials have gained huge attention due to their opposite nature of electronic states, bringing up new properties and applications when coupled together. Cryogenic sensors and memories research significantly lag behind their conventional counterparts. Here, we investigated numerically... | Phase-Field Simulation of Superconductor-Ferromagnet Bilayer-Based Cryogenic Strain Sensor | 10.1007/s10948-021-05959-y |
2022-02-01 | To reveal the causes of infrared absorption in the wavelength region between electronic and lattice absorptions, we measured the temperature dependence of the absorption coefficient of p -type low-resistivity ( $$\sim 10^2~ \Omega \mathrm{cm}$$ ∼ 10 2 Ω cm ) CdZnTe crystals. We measured the absorption coefficients of C... | Infrared Absorption and Its Sources of CdZnTe at Cryogenic Temperature | 10.1007/s11664-021-09361-1 |
2022-01-07 | In this study, an investigation was conducted on the effect of cryogenic heat treatment on the wear behavior of AZ91 magnesium alloy using pin-on-disc in a dry and isotonic solution (0.9 wt% NaCl) medium. The wear performance was investigated under loads of 1 N, 3 N, and 5 N. The analysis of the variance method was per... | The effect of deep cryogenic treatment on the wear properties of AZ91 magnesium alloy in dry and in 0.9 wt% NaCl medium | 10.1007/s12046-021-01794-y |
2022-01-01 | One of the primary drawbacks limiting the use of superconductive electronics is the lack of a fast and dense memory capable of operating within a cryogenic environment. Recent research suggests the use of cryogenic spin-based memory—magnetic tunnel junctions (MTJ) and spin valves (SV). In this chapter, a sense amplifie... | Sense Amplifier for Spin-Based Cryogenic Memory Cell | 10.1007/978-3-030-76885-0_10 |
2022-01-01 | In this research work, the stainless steel (SS) used for the fabrication of under-water parts in hydro-power plants was cryo-treated at different ultra-low temperatures, i.e. −80 ℃ and −196 ℃. The influence of such cryo-treatments on the silt erosion performance of SS-316L was investigated by conducting silt erosion te... | Influence of Ultra-low Temperature Treatments on the Slurry Erosion Performance of Stainless Steel-316L | 10.1007/978-981-16-2794-1_109 |
2022-01-01 | Superconductive circuits are introduced in this chapter. Both analog and digital circuits are described, and memory topologies are presented. Among the analog devices, single and two junction SQUIDs are introduced along with characteristic expressions and common applications. Different families of superconductive digit... | Superconductive Circuits | 10.1007/978-3-030-76885-0_3 |
2022-01-01 | The problem issues of non-drainage storage of cryogenic fuels in modern modular long-term storage systems are considered. The structure of software for remote monitoring the container and small-scale reservoir equipment for storage and transportation of cryogenic fuel is presented. The relationship of software modules ... | Issues of Energy-Efficient Storage of Fuel in Multimodal Transport Units | 10.1007/978-981-16-2814-6_34 |
2022-01-01 | In this chapter, the book is concluded. The advantages and prospective application areas of superconductive circuits are reviewed. The primary challenges to large scale integration of superconductive digital systems are reviewed, and solutions to these issues are summarized. Finally, the primary objectives of this book... | Conclusions | 10.1007/978-3-030-76885-0_17 |
2022-01-01 | Multilayer insulation (MLI) is an important thermal protection system which is used in space cryogenic programs as well as on the ground experiments also. For the continuous and reliable functioning of a cryostat, it is desired to have a minimum heat load to the inner wall of the cryostat, and the need of minimum heat ... | Quantifying the Performance of Multilayer Insulation Technique for Cryogenic Application | 10.1007/978-981-19-2592-4_21 |
2022-01-01 | The paper summarizes the research results that are achieved in the course of solving pressing challenges in continuous operation of the roadbed on the Berkakit-Tommot-Yakutsk Railway Line, AO Yakutsk Railroad Co. The line runs on the territory with adverse natural climatic and frozen ground conditions as well as comple... | Challenging Issues of Long-Term Operated Roadbed on Berkakit-Tommot-Yakutsk Railway Line | 10.1007/978-3-030-96383-5_117 |
2022-01-01 | The precipitation Precipitation process was studied during the isothermal aging Aging of a Fe-12Cr-10Mn-12Ni-5Mo-0.24 N-0.03C steel at temperatures of 700, 800, and 900 °C for times up to 1000 min. The aged specimens were characterized by SEM, XRD analysis, and CVN impact test at –196 °C. Thermo-Calc analysis indicated... | Precipitation Process During Isothermal Aging of an Austenitic Stainless Fe-12Cr-10Mn-12Ni-5Mo-0.24 N-0.03C Steel and Its Effect on the Mechanical Properties | 10.1007/978-3-030-92381-5_138 |
2022-01-01 | The operational perspectives of exploitation foreses increasing loads according to the Russian president’s statement to the Federal Assembly, his edict on strategic development of Russian Federation for the period until 2024 (May, the 7^th 2018) and the program Strategies 2030. The challenges that can arise in this con... | Solving Stabilization Problems Roadbed on Berkakit-Tommot-Yakutsk Railway Line | 10.1007/978-3-030-96383-5_118 |
2022-01-01 | Gravitational wave astronomy is a new and exciting field but has a long history as well as a bright future. The first detections of gravitational waves were from instruments of the second generation of detectors – the first generation of kilometer-scale ground based detectors operated as planned, but did not conclusive... | Research and Development for Third-Generation Gravitational Wave Detectors | 10.1007/978-981-16-4306-4_8 |
2022-01-01 | Major applications of composites are lightweight in aerospace applications and modern fasteners for reducing the weigh purpose, in this concern composites are very difficult for machines due to non-homogeneous and anisotropic environment and it require unique cutting tools. This work is going to investigate a comparati... | A Comparative Study and Optimization of Parameters of Turning UD-GFRP in Dry, Wet and Cryogenic Condition by Using PCD Tool with Taguchi Method | 10.1007/978-981-16-7787-8_8 |
2022-01-01 | For a specific application, material selection for the production of a product plays a crucial role in the efficiency of the product. It is a multi-criteria decision-making (MCDM) issue to choose the appropriate content, as the selection depends on different criteria that are usually opposed in nature. This paper aims ... | Application of Combined Compromise Solution Method for Material Selection | 10.1007/978-981-16-5371-1_34 |
2022-01-01 | Abstract Though polymer composites are high-strength promising material, their wear damage is a real matter of concern in practical applications. Thus, to improve their wear performance, the polymers and composites are now increasingly being subjected to cryogenic treatment. Thus, an attempt has been made to cryogenica... | Effectiveness of cryogenic treatment on PBT composites: prediction of interfacial interaction parameter and its influence on filler bonding and wear performance | 10.1007/s00289-020-03501-z |
2022-01-01 | Over large areas of the Asian part of Russia, air temperatures remain below 0° C for a long time, leading to the transition of water from a liquid to a solid state and vice versa. Climate warming gradually leads to a decrease in the role of cold in the heat and moisture circulation of these territories. Permafrost degr... | Influence of Cryogenic Processes and Phenomena on Minimum Runoff in Russia | 10.1007/978-3-031-12112-8_26 |
2022-01-01 | Abstract Based on the analysis of the sensitivity of mass to the initial change of parameters, an assessment is made of the transition from the traditional layout of a transport category aircraft to the blended wing body scheme followed by the transition to cryogenic fuels. As an example, a passenger airplane for 450–5... | Application of Integrated Layout for ”Cryogenic“ Transport Category Aircraft | 10.3103/S1068799822010020 |
2022-01-01 | One of the heavy lift launch vehicles being developed by ISRO uses semi-cryogenic stage. Semi-cryogenic stage uses Isrosene as a fuel and liquid oxygen (LOX) as the oxidizer. These propellants will be supplied at a specific flow rates to the rocket engine to develop the required thrust. Sloshing is an important phenome... | Numerical Slosh Studies of Multiple Ring Baffles in a Semi-Cryogenic Fuel Tank | 10.1007/978-981-16-8724-2_30 |
2022-01-01 | Carbon emissions worldwide is an issue of serious concern pertaining to its worrisome effects like global climate change, warming and ozone depletion. The natural and anthropogenic activities like forest fires, fossil fuel burning, respiration, decomposition of flora and fauna, geogenic activities and chemical changes ... | Carbon Sequestration and Capturing Technologies—A Review | 10.1007/978-3-030-96554-9_6 |
2022-01-01 | The large-scale cryogenic fluid transfer systems used in various applications are commonly exposed to pressure oscillations caused by fluid transient phenomena. The analysis and experimentation of such system are made easy by developing scale-down models and performing numerous tests. A scaling procedure solely to flui... | A Scaling Procedure for Predicting Pressure Fluctuations Caused by Fluid Transient in Cryogenic Systems | 10.1007/978-981-16-6738-1_6 |
2022-01-01 | Fracture micro mechanism of cryogenically treated Cr-V ledeburitic tool steel was studied on fracture toughness testing specimens, by using the scanning electron microscopy and microanalysis. Experimental steel has been processed at different combinations of cryogenic temperatures (from the range −75 to −269 °C) and te... | Fracture Micro Mechanism of Cryogenically Treated Ledeburitic Tool Steel | 10.1007/978-981-16-8810-2_6 |
2022-01-01 | The mycobacteria genus is responsible for numerous infectious diseases that have afflicted the human race since antiquity—tuberculosis and leprosy in particular. An important contributor to their evolutionary success is their unique cell envelope, which constitutes a quasi-impermeable barrier, protecting the microorgan... | Structure and Function of Mycobacterial Arabinofuranosyltransferases | 10.1007/978-3-031-00793-4_12 |
2022-01-01 | Cryogenic electron microscopy (cryo-EM) has recently emerged as an optimal technique for the determination of histone methyltransferase-nucleosome complex structures. Histone methyltransferases are a group of enzymes that posttranslationally methylate histone lysine and arginine residues on the nucleosome, providing im... | Determination of Histone Methyltransferase Structures in Complex with the Nucleosome by Cryogenic Electron Microscopy | 10.1007/978-1-0716-2481-4_8 |
2022-01-01 | This novel work focuses on turning Inconel 718 alloy using different sustainable lubricating-cooling techniques. Cryogenic machining (Cryo), minimum quantity lubrication (MQL) and nanofluid MQL (NFMQL) were applied and their performances in terms of obtainable surface integrity evaluated in comparison with dry cutting ... | Surface Integrity Evaluation When Turning Inconel 718 Alloy Using Sustainable Lubricating-Cooling Approaches | 10.1007/s40684-021-00310-1 |
2022-01-01 | Purpose To evaluate the DNA integrity and developmental potential of microwave-dehydrated cat spermatozoa after storage at − 20 °C for different time periods and/or overnight shipping on dry ice. Methods Epididymal spermatozoa from domestic cats were microwave-dehydrated on coverslips after trehalose exposure. Dried sa... | Desiccated cat spermatozoa retain DNA integrity and developmental potential after prolonged storage and shipping at non-cryogenic temperatures | 10.1007/s10815-021-02337-4 |
2022-01-01 | Machining is one of the highly important manufacturing processes. The global machining market is currently estimated to be worth $341.91 billion. As per Beroe’s machining industry analysis reports, the global market size is expected to reach $414.24 billion by 2022. So as the market so vast and big and the use of machi... | A Comparison Study between Conventional and Cryogenic Machining | 10.1007/978-981-16-7282-8_22 |
2022-01-01 | Voltage-gated calcium channels mediate calcium entry into cells in response to membrane depolarization. The high-voltage-activated Ca^2+ channels that have been characterized biochemically are complexes of a pore-forming α1 subunit of ~200–250 kD, a transmembrane, disulfide-linked complex of α2 and δ subunits, an intra... | Subunit Architecture and Atomic Structure of Voltage-Gated Ca^2+ Channels | 10.1007/978-3-031-08881-0_2 |
2022-01-01 | In this chapter, superconductive electronics are introduced as a promising beyond-CMOS technology. The history of superconductive electronic circuits is briefly reviewed, highlighting similarities and differences in the development of semiconductor-based electronics. Modern computing systems are often categorized based... | Introduction | 10.1007/978-3-030-76885-0_1 |
2022-01-01 | The suitability of cryogenic vacuum extraction for sampling free water (F-water) extracted from environmental materials (grass and soil) was examined with respect to low-level (~ 1 Bq L^−1) and precise determination of tritium (^3H) concentrations in the extracted water. Tests were conducted using addition-recovery exp... | Cryogenic vacuum extraction scarcely changes low-level tritium (^3H) concentrations in free water extracted from environmental samples | 10.1007/s10967-021-08074-3 |
2022-01-01 | This chapter focuses on the energy saving and CO_2 mitigation in the industry’s activities in the usage of fossil oil, low-carbon and renewable energy. It covers the topics of CO_2 production, capture and storage in the energy industries. It also discusses CO_2 application in the chemical industries. Ten industrial ope... | CO_2 Capture and Utilization | 10.1007/978-981-19-5295-1_10 |
2022-01-01 | Abstract— A specific group of diverse marsh soils forming on sea coasts in the permafrost zone is proposed to be included into the Russian soil classification system. These soils are affected both by cryogenic and sea processes. At present, there are several regional classifications of marsh soils forming in the Europe... | Approaches to the Classification of Soils of the Accumulative Seashores of Russian Northeast | 10.1134/S1064229322010057 |
2022-01-01 | Metal cutting fluids for improved cooling and lubrication are an environmental risk and a health risk for workers. Minimizing water consumption in industry is also a goal for a more sustainable production. Therefore, metal cutting emulsions that contain hazardous additives and consume considerable amounts of water are ... | Evaluation of subcooled MQL in cBN hard turning of powder-based Cr-Mo-V tool steel using simulations and experiments | 10.1007/s00170-021-07901-x |
2022-01-01 | The influence of a new combined technology of material processing - cryogenic laser shock processing (CLSP) on the residual stresses and microhardness that occur in aluminum alloys 2024-T351, is investigated. Parts from this alloy are widely used in agricultural engineering. The residual stresses that occur in the test... | Strengthening of Agricultural Machinery Parts by Cryogenic Laser Shock Processing Technology | 10.1007/978-3-031-03877-8_24 |
2022-01-01 | Schappler, Moritz Jahn, Philipp Raatz, Annika Ortmaier, Tobias The combined structural and dimensional synthesis is a tool for finding the robot structure that is suited best for a given task by means of global optimization. The handling task in cryogenic environments gives strong constraints on the robot synthesis, wh... | Combined Structural and Dimensional Synthesis of a Parallel Robot for Cryogenic Handling Tasks | 10.1007/978-3-030-74032-0_6 |
2022-01-01 | This paper provides a brief overview and results of conducted studies on the increasing wear resistance and durability of heavy-duty machines in different branches of industry. The proposed approach is based on the Deep Cryogenic Treatment (DCT) of parts made of alloy steel. Although this physical phenomenon has been k... | Increasing the Durability of Critical Parts in Heavy-Duty Industrial Machines by Deep Cryogenic Treatment | 10.1007/978-3-030-97822-8_14 |
2022-01-01 | In steels, the conversion of austenite to a harder martensite phase, starts with a well-defined martensite start (Ms) temperature and finishes with martensite finish (Mf) temperatures. When the Mf or even Ms Temperatures are lower than the ambient, the steel may undergo a partial transformation to martensite, while the... | Effect of Low Temperature Treatments on the Stabilization of Transition Class Steel Used in Satellite Launch Vehicles | 10.1007/978-981-16-7787-8_27 |
2022-01-01 | Precision holes in CFRP/Ti/Al stacks are usually machined with reamers. Machining modes should meet the requirements for each stack layer. Titanium alloy is machined at low cutting speeds at which aluminum alloy machining problems arise (low hole accuracy, high roughness, and tool build-up). The aim of the article is t... | A Study of Cryogenic Cooling When Reaming Holes in CFRP/Ti/Al Stacks | 10.1007/978-3-030-85230-6_77 |
2022-01-01 | Instead of conventional cooling products like oil-based coolants, liquid nitrogen is increasingly used in manufacturing processes for environmental considerations. The main purpose of this study is to examine the impact of deep rolling (DR) under cryogenic cooling on the surface integrity (grain size, phase changes, mi... | Deep Rolled Surface Improvement of the AISI 304L Using Cryogenic Cooling | 10.1007/978-3-030-86446-0_32 |
2021-12-31 | Hydrogen, as a space propellant, plays an important role in future space energy systems. However, it is sensitive to heat leakage from the environment because of its low boiling point and small density. Besides, the buoyancy convection is weakened and even completely suppressed in space microgravity environment. When t... | On the Space Thermal Destratification in a Partially Filled Hydrogen Propellant Tank by Jet Injection | 10.1007/s12217-021-09923-2 |
2021-12-01 | Cutting fluid plays a cooling-lubrication role in the cutting of metal materials. However, the substantial usage of cutting fluid in traditional flood machining seriously pollutes the environment and threatens the health of workers. Environmental machining technologies, such as dry cutting, minimum quantity lubrication... | Cryogenic minimum quantity lubrication machining: from mechanism to application | 10.1007/s11465-021-0654-2 |
2021-12-01 | In this study, the surface integrity of nickel-titanium (NiTi) shape memory alloys (SMAs) was investigated after face milling processes with cryogenically treated/untreated cemented carbide cutting tools at the conditions of dry cutting and minimum quantity lubrication (MQL) of cutting fluids depending on the changing ... | Surface Integrity of NiTi Shape Memory Alloy in Milling with Cryogenic Heat Treated Cutting Tools under Different Cutting Conditions | 10.1007/s11665-021-06095-3 |
2021-12-01 | Heat leakage from cryogenic vessels is an important parameter of thermal insulation performance reflected by product loss in the standard method. Current standards require the cryogenic vessel to be full before testing, which wastes a considerable amount of working medium. If product loss is tested at another liquid le... | Method to evaluate heat leakage of vertical cryogenic vessels at different liquid levels | 10.1007/s12206-021-1142-7 |
2021-12-01 | Abstract Cryogenic forming, a new technology used to manufacture aluminum alloy thin-walled parts, has attracted much attention in recent years. This work presents an experimental and theoretical study of 2024-O aluminum alloy sheet forming limit at cryogenic temperatures and provides an effective method for accurate p... | Experimental and Theoretical Investigation on the Forming Limit of 2024-O Aluminum Alloy Sheet at Cryogenic Temperatures | 10.1007/s12540-020-00922-3 |
2021-12-01 | 为有效读出超导纳米线单光子探测器 (SNSPD) 输出信号, 提出一种基于0.13 μm SiGe BiCMOS工艺的低功耗无电感宽带差分超低温放大器. 为解决缺少超低温器件精确模型的问题, 结合并联—并联反馈和电容耦合超低温放大器结构, 通过详细理论分析和仿真, 确定了放大器增益与电路可调设计参数间的关系, 提高了设计和优化的灵活性, 从而实现所需增益. 为实现工作频率范围内端口阻抗平坦特性, 采用RC并联补偿结构, 有效提高了放大器闭环稳定性, 并可抑制放大器过冲问题. 给出室温 (300 K) 和低温 (4.2 K) 下 S 参数和瞬态性能测试结果. 在良好输入输出阻抗匹配下, 该放大器在300 K温度下3 dB带宽为1.13... | Wideband cryogenic amplifier for a superconducting nanowire single-photon detector | 10.1631/FITEE.2100525 |
2021-12-01 | Abstract This paper examines the effect of planted spruce ( Picea obovata Ledeb.) stands on changes in the morphological characteristics, composition, and properties of cryogenic meadow–chernozem soils that formed in a cryoarid climate under meadow–steppe vegetation in the vicinity of the City of Yakutsk, the central p... | Changes in the Properties of Cryogenic Meadow–Chernozem Soils in the Central Part of the Sakha Republic under the Influence of Planted Spruce Stands | 10.1134/S1995425521070052 |
2021-12-01 | Electron microscopy (EM) reveals cellular ultrastructure at high definition but faces the challenges of identification of specific subcellular structures and localization of specific macromolecules, whereas fluorescence microscopy (FM) can label and localize specific molecules in cells. Correlative light and electron m... | Cryogenic superresolution correlative light and electron microscopy on the frontier of subcellular imaging | 10.1007/s12551-021-00851-4 |
2021-12-01 | Residual stress developed after the quenching of aluminum alloys causes distortion during subsequent machining. The purpose of this study was to reduce the residual stress and improve mechanical properties by using a novel cryogenic treatment in an aluminum alloy, specifically, grade 2A12. The orthogonal test and relev... | Optimization of Cryogenic Treatment Parameters for the Minimum Residual Stress | 10.1007/s11665-021-06136-x |
2021-12-01 | 煤矿酸性废水(AMD)被动处理基于自然过程中和废水酸性和去除溶解态金属污染物。在一些情况下,即使没有人类干预,自然过程也可能建立去除酸性废水(AMD)有害成分(如酸度,溶解性铁,铝和锰)的微生物群落。为更好了解这一有益过程如何建立,我们研究了俄亥俄州东部的Huff Run系统,Huff Run的部分河段被人为改道,防止酸性废水(AMD)直接汇入河流。目前,有两个废弃河段接收未处理的煤矿酸性废水(AMD);我们假设增加酸性废水(AMD)在废弃河段驻留时间,可减小酸性废水(AMD)对Huff Run影响。跟踪了两个废弃河段(Farr和Lyons)的水化学和微生物季节性变化。当酸性废水(AMD)穿过河段Farr时,废水铁,铝和锰被部分去除... | Cyanides, Arsenic, and Noble Metals in Abandoned Gold Ore Cyanidation Tailings and Surface Waters in a Permafrost Region (Transbaikal Territory, Russia) | 10.1007/s10230-021-00828-5 |
2021-12-01 | Abstract The effect of a new combined technology of cryogenic laser shock processing on the mechanical characteristics of the 2024-T351 aluminum alloy is studied. We study the microhardness and residual stresses occurring in a test sample by using various processing technologies. The results show that cryogenic process... | Features of Using Cryogenic Laser Shock Processing for Hardening of 2024-T351 Aluminum Alloys | 10.3103/S1052618821090119 |
2021-12-01 | The effects of deep rolling parameters, particularly, work speed and cooling conditions (dry and cryogenic) on the surface integrity of AISI 304L machined samples and their further impact on uniform and localized corrosion behavior in chloride environment were experimentally investigated in this work. The electrochemic... | Improvement of the corrosion behavior of AISI 304L stainless steel by deep rolling treatment under cryogenic cooling | 10.1007/s00170-021-07744-6 |
2021-12-01 | Abstract— Laser shock wave processing is an innovative technology of material hardening and is considered as an alternative to the well-known shot blasting hardening. The aluminum alloy (2024-T351) is studied. This technology is based on the occurrence of compressive residual stresses in subsurface layers of the proces... | Anisotropy of Residual Stresses Occurring upon Laser Shock Processing of the 2024-T351 Aluminum Alloy and Ways to Reduce It | 10.3103/S1052618821080112 |
2021-12-01 | In recent years, composites have attracted a great deal of interest because they lack the limitations of metallic and polymer materials. Although carbon-fiber- reinforced plastics (CFRPs) of the various composites exhibit superior properties, this machining has been challenging because the materials are anisotropic and... | Recent Developments and Challenges on Machining of Carbon Fiber Reinforced Polymer Composite Laminates | 10.1007/s12541-021-00596-w |
2021-11-01 | Three process flow diagrams of vacuum insulated cryogenic double-walled LNG storage tanks are analyzed. The aim of the research is to exclude the spillage of liquid to the external environment in case of breaches to the integrity of the inner vessel, allowing an expensive fire protection system to be avoided. It is sho... | Process Flow Diagrams of Cryogenic Double-Wall Tanks for LNG Storage | 10.1007/s10556-021-00975-0 |
2021-11-01 | Many geotechnical engineering problems in the cold region, including cracking of pavements, damage to the foundations of structures, and fracture of pipelines are blamed due to the deformation and failure of frozen soils. In this study, cryogenic suction is used as one of the constitutive variables together with the so... | A multisurface elastoplastic model for frozen soil | 10.1007/s11440-021-01391-7 |
2021-10-01 | In this study, effect of cryogenic heat treatment in polycrystalline Co_38Ni_37Al_17Si_6Sb_2 ferromagnetic shape memory alloy (FSMA) on phase formation phenomenon was investigated. After the homogenization process, the synthesized Co_38Ni_37Al_17Si_6Sb_2 alloy was cooled into liquid nitrogen and kept in liquid nitrogen... | Effect of Cryogenic Heat Treatment on Phase Formation in Co_38Ni_37Al_17Si_6Sb_2 Ferromagnetic Shape Memory Alloy | 10.1007/s11665-021-05930-x |
2021-10-01 | Although Inconel 718 is an important material for modern aircraft and aerospace, it is a kind material, which is known to have low machinability. Especially, while these types of materials are machined, high cutting temperatures, BUE on cutting tool, high cutting forces, and work hardening occur. Therefore, in recent y... | Milling Inconel 718 workpiece with cryogenically treated and untreated cutting tools | 10.1007/s00170-021-07688-x |
2021-10-01 | Abstract The paper presents the tasks and study technique dedicated to fretting wear of air foil bearings of cryogenic turbomachines under internal and external vibrations as well as fretting wear test unit for air foil bearings. | Fretting Wear of Cryogenic Turbomachine Bearings for Superconductive Power Plants | 10.3103/S1068799821040176 |
2021-10-01 | Abstract Stainless steels with Fe/Cr/Ni ratios of 74/18/8, 71/17/12, and 55/20/25 were produced from elemental powders by high energy mechanical alloying at both room and cryogenic temperatures. The effect of mechanical alloying temperature on martensitic transformation, the reversion of deformation-induced martensite-... | Effect of Composition, Mechanical Alloying Temperature and Cooling Rate on Martensitic Transformation and Its Reversion in Mechanically Alloyed Stainless Steels | 10.1007/s12540-020-00866-8 |
2021-10-01 | Abstract The analysis tools for the process of nitrogen aircraft supplying under various modes of flight intensity as a part of realistic scenarios is developed and substantiated by the methods of simulation models. Regression relations are proposed by the least squares to describe the logistic forecasting of the aerod... | Logistic Forecasting of Aircraft Nitrogen-Charging Service of Air Units in Peacetime and in Wartime | 10.3103/S1068799821040048 |
2021-09-15 | In the present work, investigation of structural evolution of Cu_33Zr_67 specimen during the cooling process from 2500 down to the 300 K, 200 K, 150 K, 100 K, 50 K, and 10 K has been performed at cooling rate of 5 K/ps using molecular dynamics simulation. The pair distribution function (PDF) reveals that Zr‒Zr pair cau... | Investigation of structural evolution in the Cu–Zr metallic glass at cryogenic temperatures by using molecular dynamics simulations | 10.1007/s00894-021-04886-y |
2021-09-09 | Scaling of concrete due to salt frost attack is an important durability issue in moderate and cold climates. The actual damage mechanism is still not completely understood. Two recent damage theories—the glue spall theory and the cryogenic suction theory—offer plausible, but conflicting explanations for the salt frost ... | Salt frost attack on concrete: the combined effect of cryogenic suction and chloride binding on ice formation | 10.1617/s11527-021-01779-7 |
2021-09-08 | To further improve the performance of accelerators, the first cryogenic normal-conducting RF gun in China was designed and manufactured. As a new and attractive trend, this optimized cryogenic RF gun can generate a low-emittance beam with a short-driven laser pulse because of its promising high gradient on the cathode.... | Design optimization and cold RF test of a 2.6-cell cryogenic RF gun | 10.1007/s41365-021-00925-8 |
2021-09-01 | Abstract In this paper, we consider global trends in the development of vehicles, indicate the main ways to increase the energy efficiency of conversion technology, consider the possibility of introducing high-temperature superconductivity technologies in power plants of air transport, and present the results of experi... | Prospects for the Application of HTSC Technologies for the Electric-Power Complex of Vehicles | 10.3103/S1068371221090133 |
2021-09-01 | Background The cryogenic control system of BEPCII has been in stable operation for more than 10 years, providing technical support for the generation of cryogenic environments. The core hardware of the cryogenic control system is composed of PLC and VME controller, and the operating software includes PLC commercial sof... | Upgrade design and prototype implementation of cryogenic control system in BEPCII | 10.1007/s41605-021-00263-8 |
2021-09-01 | Abstract A method is described that allows one to reduce the critical current and switching power of a short nanowire from a superconducting state to a normal state by embedding a section of a normal metal into the nanowire. This effect results from the local heating of the superconducting wire due to the heat released... | Creation of Elements from NbN for Logical Devices of Classical Cryo-Computers | 10.1134/S1063783421090109 |
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