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2019-04-06 | This paper presents an evaluation of hybrid cryogenic processes used to eliminate burrs on the exit side of drilled holes in carbon fiber-reinforced plastic composites. These hybrid cryogenic processing methods do not produce environmental hazards and they involve adding a longitudinal ultrasonic motion to the drill cu... | Evaluation of a hybrid cryogenic deburring method to remove uncut fibers on carbon fiber-reinforced plastic composites | 10.1007/s00170-018-3045-z |
2019-04-05 | Steels are subjected to different conventional heat treatment (CHT) processes such as annealing, normalizing, hardening, tempering, quenching, and stress relieving, to improve the mechanical properties and surface coating methods such as electroplating, laser coating, CVD, and PVD, and to enhance the tribological and c... | Improving Surface Hardness of EN31 Steel by Surface Hardening and Cryogenic Treatment | 10.1007/s40033-019-00177-2 |
2019-04-02 | In order to improve the comprehensive mechanical properties, deep cryogenic treatment (DCT) prior to aging was carried out on friction-stir-welded (FSW) 2198 Al–Li alloy; afterward, the microstructure and tensile properties were characterized by means of optical microscopy (OM), transmission electron microscopy (TEM) a... | Comprehensive tensile properties improved by deep cryogenic treatment prior to aging in friction-stir-welded 2198 Al–Li alloy | 10.1007/s12598-019-01214-5 |
2019-04-01 | Abstract The microhardness of VT1-0 titanium subjected to megaplastic deformation by torsion under a high hydrostatic pressure at room and cryogenic temperatures and its corrosion resistance in a 1 M solution of HCl are studied. It is shown that megaplastic deformation changes the passivation ability of titanium during... | Effect of Megaplastic Deformation in a Bridgman Chamber at Various Temperatures on the Corrosion Resistance of VT1-0 Titanium | 10.1134/S0036029519040074 |
2019-04-01 | A study is made of the present-day levels of global ^137Cs deposition in permafrost soils of the tundra and taiga zones of Yakutia. It is shown that the reserves of ^137Cs in the soils of Yakutia vary over a significant range according to the landscape and climatic features of the territory. The largest amount of ^137C... | Geographical Features of Pollution of the Territory of Yakutia With Cesium-137 | 10.1134/S1875372819020082 |
2019-04-01 | Various climatic parameters (average annual, winter, and summer air temperature, winter and summer total precipitation) and their temporal variability are analyzed to explain the activation of cryogenic processes in Central Yamal. The effect of fluctuations of these parameters on the thaw depth and ground temperature i... | Activation of Cryogenic Processes in Central Yamal as a Result of Regional and Local Change in Climate and Thermal State of Permafrost | 10.3103/S1068373919040083 |
2019-03-15 | We present the performance of a superconducting nanowire that can be operated in two detection modes: (i) as a kinetic inductance detector (KID) or (ii) as a single-photon detector (SPD). Two superconducting nanowires developed for use as single-photon detectors (SNSPDs) are embedded as the inductive (L) component in r... | Operation of a Superconducting Nanowire in Two Detection Modes: KID and SPD | 10.1007/s10909-018-2075-0 |
2019-03-08 | A single FCC phase 40Fe–25Ni–15Cr–10Co–10V high-entropy alloy was designed, fabricated, and evaluated for potential cryogenic applications. The alloy forms a single FCC phase and exhibits higher yield strength, tensile strength, and elongation at cryogenic temperature (77 K) than at room temperature (298 K). The superi... | Plastic Deformation Behavior of 40Fe–25Ni–15Cr–10Co–10V High-Entropy Alloy for Cryogenic Applications | 10.1007/s12540-018-0184-6 |
2019-03-01 | Abstract The thermal state of the current leads containing high-temperature superconductors is analyzed. The transition to the normal state of superconductor in a contact connection with an uncooled resistive section of the current lead is considered. The expressions were obtained that determine the temperature and hea... | The Thermal State of High-Temperature Supercondacting Current Leads during Disarrangement of Superconductivity | 10.3103/S1068371219030064 |
2019-03-01 | Liquid nitrogen (LN_2) fracturing is a promising new technology for unconventional reservoir simulation because it can effectively solve problems related to low permeability, low brittleness, and water shortage. The present work conducted a series of permeability and strength property-related experiments to evaluate th... | Effect of liquid nitrogen cooling on the permeability and mechanical characteristics of anisotropic shale | 10.1007/s13202-018-0509-5 |
2019-02-26 | In recent years, a new generation of composite materials has been introduced as metal matrix composites (MMCs) in order to simultaneously provide higher strength and stiffness. Industrial interests resulted in deep investigations and researches on machinability of MMCs and especially in the field of high-speed machinin... | Evaluation of tool wear in high-speed face milling of Al/SiC metal matrix composites | 10.1007/s40430-019-1649-3 |
2019-02-15 | We have measured the low-temperature shear piezoelectric and dielectric constants of single-crystal lithium niobate ( $$\hbox {LiNbO}_{3}$$ LiNbO 3 ) and lead magnesium niobate–lead titanate (PMN-PT), and of ceramic lead zirconium titanate (PZT-5A) transducers between room temperature and 78 mK. The piezoelectric and d... | Shear Piezoelectric and Dielectric Properties of
$${\hbox {LiNbO}}_{3}$$
LiNbO
3
... | 10.1007/s10909-018-2097-7 |
2019-02-15 | Leaf springs are mechanical elements responsible for supporting the vertical load on heavy duty vehicles. For this critical structural component, the required mechanical performance depends mainly on chemical composition and heat treatment. SAE 5160 and SAE 6140 steels are widely used as springs, because after heat tre... | Influence of Deep Cryogenic Treatment on the Mechanical Properties of Spring Steels | 10.1007/s11665-019-3864-6 |
2019-02-11 | A cryogenic triple-offset butterfly valve, which is installed in LNG marine engine, controls flow of liquid nitrogen (− 196 °C) to liquefy natural gas (− 163 °C). The existing seal has dual-layer structure composed of rubber and metal seals. The rubber seal is needed to be frequently replaced owing to its low durabilit... | Design of Laminated Seal in Cryogenic Triple-Offset Butterfly Valve Used in LNG Marine Engine | 10.1007/s12541-019-00056-6 |
2019-02-02 | The present study aims to investigate the tool wear mechanism of TiAlN-/NbN-coated tungsten carbide insert during end milling of hard Ti alloy under cryogenic treatment at 24 h and 48 h. The output responses are examined by looking at the flank wear, tool wear mechanism, elemental composition analysis, cutting force an... | Experimental investigation of tool wear in cryogenically treated insert during end milling of hard Ti alloy | 10.1007/s40430-019-1612-3 |
2019-02-01 | In the present work, a tool holder design has been modified and fabricated, which act as a jet stream tool holder for supplying the cryogenic coolant (liquid nitrogen) to both rake and flank faces of cutting tool simultaneously in a novel way. The present work investigated the effect of cryogenic coolant and turning pr... | The Effectiveness of a Novel Cryogenic Cooling Approach on Turning Performance Characteristics During Machining of 17-4 PH Stainless Steel Material | 10.1007/s12633-018-9875-3 |
2019-02-01 | In this investigation, the influence of cryogenic treatment on the tribological properties of Cu-Be2 alloy was investigated. Deep cryogenic treatment and shallow cryogenic treatment were applied to Cu-Be2 alloy. As-received (AR), shallow cryogenic treated (SCT) and deep cryogenic treated (DCT) Cu-Be2 alloy were used as... | Enhancing Wear Resistance of Cryo Treated Cu-Be2 Alloy | 10.1007/s12633-018-9835-y |
2019-01-30 | The present work is an endeavor to carry out a machining using LN_2 in face milling operations and to produce the milling samples with excellent wear resistance property. The output response (wear rate) depends on appropriate choice of speed, feed, and depth of cut. The experimental data are conducted (collected) for S... | An Efficient Approach to Optimize Wear Behavior of Cryogenic Milling Process of SS316 Using Regression Analysis and Particle Swarm Techniques | 10.1007/s12666-018-1473-y |
2019-01-17 | Resistance thermometers show saturation effects at temperature below around 20 mK. A simple method to extend the range of low temperature resistance thermometers is proposed. The temperatures to be measured are shifted to an upper range where the resistance thermometer does not saturate. The shifting is controlled by a... | A Simple Method to Extend the Range of Low Temperature Resistance Thermometers | 10.1007/s10765-019-2482-8 |
2019-01-15 | Cryogenic rare event searches based on heat and light composite calorimeters have a common need for large area photon detectors with high quantum efficiency, good radiopurity and high sensitivity. By employing the Neganov–Trofimov–Luke effect, the phonon signal of particle interactions in a semiconductor absorber opera... | Silicon PIN Diodes as Neganov–Trofimov–Luke Cryogenic Light Detectors | 10.1007/s10909-018-2067-0 |
2019-01-10 | This paper presents an efficient and robust numerical framework to deal with multiphase real-fluid flows and their broad spectrum of engineering applications. A homogeneous mixture model incorporated with a real-fluid equation of state and a phase change model is considered to calculate complex multiphase problems. As ... | Methods for compressible multiphase flows and their applications | 10.1007/s00193-018-0829-x |
2019-01-02 | Abstract Alloys of nickel are optimal metals to use in turbine parts and aircraft components. They are generally accepted as difficult-to-machine materials, because of its poor thermal conductivity. The selection of coolant and machining conditions is crucial for better performance. Problems with conventional coolant a... | Effect of cryogenic coolant on machinability of difficult-to-machine Ni–Cr alloy using PVD-TiAlN coated WC tool | 10.1007/s40430-018-1552-3 |
2019-01-01 | To alleviate the global warming issue arising from emission of greenhouse gases involving CO_2 through burning of fossil fuels CO_2 recovery and its utilization and storage has been known as an appropriate choice. With this purpose in mind, various CO_2 recovery methods have been applied recently including adsorption, ... | Cryogenic CO_2 Capture | 10.1007/978-3-030-29337-6_10 |
2019-01-01 | High-wear-resisting EN 31 bearing steel has been widely used to make components such as roller bearing, ball bearing, spline shaft, and other components like tiller blades, punches and dies are subjected to severe abrasion to require high surface hardness. To obtain high surface hardness, EN 31 steel is usually surface... | Effect of Surface Modification Using GTAW as Heat Source and Cryogenic Treatment on the Surface Hardness and Its Prediction Using Artificial Neural Network | 10.1007/978-981-13-1724-8_18 |
2019-01-01 | The feature of all cryogenic equipment is that they operate at extremely low temperatures. Typically, a liquid gas flows through or is stored in such devices. In order to ensure that such processes are technically and economically viable, each cryogenic device must have high quality thermal insulation which will reduce... | Aspects of the Cryogenic Equipment Mechanical Calculations on an Example of the FRESCA2 Cryostat | 10.1007/978-3-030-04975-1_21 |
2019-01-01 | High and medium entropy alloys are currently attracting significant research interest due to their potential to achieve superior mechanical properties compared to traditional alloys systems. The CoCrNi alloy has been of particular interest owing to the simple single phase structure, superior fracture toughness, and exc... | Sub-grain Plastic Strain Localization in CoCrNi Medium Entropy Alloy at Cryogenic Temperatures | 10.1007/978-3-030-21894-2_9 |
2019-01-01 | Solid (Friction) stir welding (FSW) is a moderately new welding practice, and it is a widely adopted process used to join metallic alloys. It is a fad in automobile, aerospace, and further manufacturing concern for linking complex geometry of joints. The present research paper, the influence of cryogenic cool (dry ice ... | Effect of Cryogenic Coolant on Mechanical Properties and Micrographs of Solid State Welding of 2014 Al Plates | 10.1007/978-981-13-7643-6_9 |
2019-01-01 | The present study is to investigate the role of cryogenic cooling using liquid nitrogen as coolant on the tool wear and surface roughness in turning of Inconel 625 with PVD-TiAlN-coated carbide inserts. The machining parameters of the experimental works were cutting conditions (dry and cryogenic cooling), cutting speed... | Effectiveness of Cryogenic Cooling in Turning of Inconel 625 Alloy | 10.1007/978-981-13-1724-8_54 |
2019-01-01 | The main emphasis of the research is to analyse the variation in the behaviour of properties of steel after the combined heat and cryogenic treatment. Preheat treatment was done, where the steels were kept at 600 °C for 60 min and then was quenched using saline bath, followed by the cryogenic treatment at 77 K. For the... | Experimental Analysis of the Influence of Combined Heat and Cryogenic Treatment on Mechanical Properties of Steel | 10.1007/978-981-13-1780-4_32 |
2019-01-01 | Aluminium and its alloys have been the centre of interest to the engineer’s community due to their high strength to weight ratio, high wear resistance, low coefficient of thermal expansion and ease of manufacture. To fulfil the increasing requirement of lighter weight, yet excellent mechanical properties than aluminium... | Influence of Deep Cryogenic Treatment on the Wear Behaviour of Different Al–Si Alloys | 10.1007/978-981-13-1780-4_22 |
2019-01-01 | Whole-head MEG systems based on the low-Tc SQUID sensors utilize liquid helium to reach the temperature around 4 K. Until recent years, a typical MEG system needed a liquid helium refill once or twice per week. However, the increasing cost and the lack or limited availability of liquid helium for regular fillings have ... | Zero Helium Boiloff MEG Technology | 10.1007/978-3-319-62657-4_79-1 |
2019-01-01 | Due to the defects of active water fracturing fluid properties and the particularity of coal in the structure and mechanical properties, the conventional hydraulic fracturing is not applicable to high-rank coal seam, which is prone to the problems of excessive extension of fracture height, short effective propped fract... | Research on Fracture Propagation by Cryogenic Volume Fracturing Based on Dem | 10.1007/978-981-10-7560-5_152 |
2019-01-01 | Rapidly growing economy and its consequence of relying heavily on the fossil fuels, for power generation, accounts for the major CO_2 pollutant in the atmosphere. Natural carbon cycle process will not be effective in reducing the pollutant content, as the amount and rate of CO_2 dissipation raise at a drastic rate. Thi... | CO_2 Sequestration: Processes and Methodologies | 10.1007/978-3-319-68255-6_6 |
2019-01-01 | Cold temperatures have been used in medicine for several decades, mainly for therapeutic purposes in several fields. The underlining physic principle is the “Joule-Thomson” effect: it is a phenomenon in which the temperature of a real gas increases or decreases following, respectively, its compression or its expansion—... | Cryobiopsy: Physics | 10.1007/978-3-030-14891-1_4 |
2019-01-01 | Continued development of superior soft-magnetic alloys Alloys has resulted in improved efficiencies in key technologies, viz., electric motors, generators, transformers, etc. In this work, we present the magnetic Magnetic properties properties Properties of a low-cobalt content, soft-magnetic alloy—CarTech^® Hypocore™ ... | Magnetic Characterization of CarTech^® Hypocore™ Alloy at Cryogenic Temperatures | 10.1007/978-3-030-05749-7_21 |
2019-01-01 | Materials with high strength and light in weight are in demand in high-precision manufacturing. Machining these materials becomes tedious in extreme cutting conditions where cutting fluids sometimes fail. Hence an alternate method of cooling is needed to replace the conventional coolant. This paper presents the effects... | Experimental Investigation on Machining Parameters of Hastelloy C276 Under Different Cryogenic Environment | 10.1007/978-981-32-9417-2_20 |
2019-01-01 | In this work, the enhancement of wear performance of cryogenic treated (CT) as-cast AZ91 reinforced with 1.5 wt% WC magnesium metal matrix nano-composite (Mg-MMNC) had been explored using pin-on-disc tribometer and scanning electron microscope (SEM). AZ91 with 1.5 wt% WC reinforcement was prepared with stir casting pro... | Influence of Cryogenic Treatment on As-Cast AZ91+1.5 wt%WC Mg-MMNC Wear Performance | 10.1007/978-981-13-1780-4_19 |
2019-01-01 | The possibilities and prospects of laser generation in active media based on organic dyes that are cooled to cryogenic temperatures are considered. The results demonstrate the possibility of creating highly effective active laser media (based on the analog of the Shpol’sky matrix) on the basis of cooled carbon-containi... | Development of a Laser Generator Based on the Analog of the Shpol’sky Matrix | 10.3103/S0027134919010041 |
2019-01-01 | Food gases are supplied to the food industry as additives, support or in contact with food ingredients. Consequently, these gases must respect very strict standards in order to come into contact with foodstuffs and therefore in order to ensure food security. In particular, they must comply with precise rules on labelli... | Food Gases: Classification and Allowed Uses | 10.1007/978-3-030-35228-8_1 |
2019-01-01 | SNARE-mediated membrane fusion is required for membrane trafficking as well as organelle biogenesis and homeostasis. The membrane fusion reaction involves sequential formation of hemifusion intermediates, whereby lipid monolayers partially mix on route to complete bilayer merger. Studies of the Saccharomyces cerevisiae... | Visualization of SNARE-Mediated Organelle Membrane Hemifusion by Electron Microscopy | 10.1007/978-1-4939-8760-3_24 |
2019-01-01 | Shape memory alloys (SMAs) are considered as difficult-to-machine materials. This chapter sheds light on machinability Machinability aspects of SMAs and presents a comprehensive discussion on advanced and sustainable strategies and techniques for machining SMAs. It commences with an introduction to machinability, chall... | Machining of Shape Memory Alloys | 10.1007/978-3-319-99307-2_2 |
2019-01-01 | Cooling the tool cutting edge during the machining of titanium is indispensable for an economical and productive process. Innovative cooling processes using carbon dioxide (CO_2) or liquid nitrogen (LN_2) can further increase tool life, especially when machining materials with low thermal conductivity. When drilling wi... | Innovative Chuck with Integrated Rotary Feed-Through for Drilling Process with Application of Cryogenic Cooling | 10.1007/978-3-030-03451-1_28 |
2019-01-01 | Mechanical components are subjected to wear during their functionality, which decreases the life of such components. The mechanical strength plays a major role for the same. Different heat treatments had been used to improve the mechanical strength of such components. In this paper, DCT (Deep cryogenic treatment) with ... | Effect on Mechanical and Metallurgical Properties of Cryogenically Treated Material SS316 | 10.1007/978-981-13-6287-3_7 |
2019-01-01 | The aim of this study is to investigate the effects of cryogenic Cryogenic process (CP) on the properties of 2024-T6 aluminum Aluminum alloy. So, samples were held at −40 °C medium for 24 h in CP after solution heat treatment. Finally, samples were subjected to aging process at 120 °C for 8 h after CP. Furthermore, agi... | Improvement in Metallurgical Properties of Gravity Die Cast 2024-T6 Aluminum Alloy via Cryogenic Process | 10.1007/978-3-030-06034-3_25 |
2019-01-01 | A micro heater with low temperature coefficient of resistance (TCR) at liquid hydrogen temperature was designed and fabricated by micro fabrication technology. The NiCr heater annealed in N_2 at 250 °C for 9 min achieves a smallest TCR of 9.36 ppm/K at 20 K. The crystal structures of NiCr film annealed in nitrogen were... | Micro Heater with Low Temperature Coefficient of Resistance for ICF Target | 10.1007/978-3-030-37429-7_49 |
2019-01-01 | In the present industrial scenario, manufacturing has become the backbone for the growth of any country. The advancement in manufacturing technology and methodology adopted has led to industrial growth, but it has some adverse effects on environment Environment as well on human being such as environmental pollution and... | Cryogenic Machining | 10.1007/978-3-030-03276-0_2 |
2019-01-01 | Magnesium and its alloys are slowly entering into the field of bio-implants as a substitute to currently used materials because of their mechanical properties and physiological benefits. However, the magnesium alloys corrode much before than the bone is fully healed because of their high corrosion rate in physiological... | Cryogenic Machining of AZ31B Magnesium Alloy for Bio-implant Applications | 10.1007/978-981-32-9417-2_19 |
2019-01-01 | In this paper, a novel cooling strategy for machining is presented: a metalworking fluid, composed of water and a polyhydric alcohol is supplied to the cutting zone at temperatures above the temperatures used for cryogenic machining, but below 0 °C. This sub-zero metalworking fluid (MWF) is applied when turning AISI 41... | Turning of AISI 4140 (42CrMo4): A Novel Sub-zero Cooling Approach | 10.1007/978-3-030-03451-1_31 |
2018-12-12 | Deep cryogenic treatment (DCT) has been acknowledged as an approach to modify metallic materials properties to enhance their performance. The effects of deep cryogenic treatment parameters (cryogenic temperature, cooling rate, soaking time and tempering temperature) on microstructure, mechanical properties and machinin... | Effect of deep cryogenic treatment on microstructure, mechanical properties and machining performances of coated carbide tool | 10.1007/s40430-018-1533-6 |
2018-12-06 | The rejuvenation behavior of an Zr_50Cu_40Al_10 (at.%) metallic glass upon cryogenic cycling treatment has been investigated. At a high casting temperature, the microstructure of the glass is quite homogenous and thus, internal stress cannot be generated during cycling. Therefore, the glass cannot be rejuvenated by cry... | Various Rejuvenation Behaviors of Zr-Based Metallic Glass by Cryogenic Cycling Treatment with Different Casting Temperatures | 10.1186/s11671-018-2816-7 |
2018-12-06 | Background The malaria Eradication Research Agenda (malERA) has identified human-to-mosquito transmission of Plasmodium falciparum as a major target for eradication. The cornerstone for identifying and evaluating transmission in the laboratory is standard membrane feeding assays (SMFAs) where mature gametocytes of P. f... | Cryogenically preserved RBCs support gametocytogenesis of Plasmodium falciparum in vitro and gametogenesis in mosquitoes | 10.1186/s12936-018-2612-y |
2018-12-03 | Background In superconductive linear accelerator, the performance and stability can be impacted by gas adsorbed on cryogenic surfaces adversely. The cryogenic devices usually work at 4.2 K or 1.9 K and are refrigerated by normal or super fluid liquid helium, respectively. Purpose The purpose of this paper is to study t... | The hydrogen migration in cryogenic tubes of superconductive accelerator with gas source | 10.1007/s41605-018-0086-7 |
2018-12-01 | The Super Cryogenic Dark Matter Search is one of the leading experiments in the direct search for weakly interacting massive particles in the mass range below 10 GeV/c^2. Particles are detected in cryogenic semiconductor detectors; their energy deposition produces phonons and liberates charges which are measured in TES... | Feasibility Study for an IR-LED-Based Calibration System for SuperCDMS Detectors | 10.1007/s10909-018-1996-y |
2018-12-01 | The X-ray Astronomy Recovery Mission (XARM) is a recovery mission of ASTRO-H/ Hitomi , which is expected to be launched in Japanese Fiscal Year of 2020 at the earliest. The Resolve instrument on XARM consists of an array of 6 × 6 silicon-thermistor microcalorimeters cooled down to 50 mK and a high-throughput X-ray mirr... | Resolve Instrument on X-ray Astronomy Recovery Mission (XARM) | 10.1007/s10909-018-1913-4 |
2018-12-01 | The CRESST experiment uses cryogenic detectors based on transition-edge sensors to search for dark matter interactions. Each detector module consists of a scintillating CaWO $$_4$$ 4 crystal and a silicon-on-sapphire (SOS) light detector which operate in coincidence (phonon-light technique). The 40-mm-diameter SOS disk... | TES-Based Light Detectors for the CRESST Direct Dark Matter Search | 10.1007/s10909-018-1944-x |
2018-12-01 | The EDELWEISS collaboration is performing a direct search for WIMP dark matter using an array of up to twenty-four 820–890 g cryogenic germanium detectors equipped with a full charge and thermal signal readout. The experiment is located in the ultra-low-radioactivity background environment of the Modane underground lab... | Status and Prospects of the EDELWEISS-III Direct WIMP Search Experiment | 10.1007/s10909-018-1921-4 |
2018-12-01 | We describe the design of a cryogenic rotation stage (CRS) for use with the cryogenic half-wave plate (CHWP) polarization modulator on the POLARBEAR-2b and POLARBEAR-2c (PB2b/c) cosmic microwave background (CMB) experiments, the second and third installments of the Simons Array. Rapid modulation of the CMB polarization... | A Large-Diameter Cryogenic Rotation Stage for Half-Wave Plate Polarization Modulation on the POLARBEAR-2 Experiment | 10.1007/s10909-018-1980-6 |
2018-12-01 | The Physics Department of the Technical University of Munich operates a shallow underground detector laboratory in Garching, Germany. It provides $$\sim 160\,{\mathrm{m}^2}$$ ∼ 160 m 2 of laboratory space which is shielded from cosmic radiation by $$\sim 6\,\mathrm{m}$$ ∼ 6 m of gravel and soil, corresponding to a shie... | A Cryogenic Detector Characterization Facility in the Shallow Underground Laboratory at the Technical University of Munich | 10.1007/s10909-018-1899-y |
2018-12-01 | We describe prototype arrays of magnetically coupled microcalorimeters fabricated with an approach scalable to very large format arrays. The superconducting interconnections and sensor coils have sufficiently low inductance in the wiring and sufficiently high inductance in the coils in each pixel, to enable arrays cont... | Magnetic Calorimeter Arrays with High Sensor Inductance and Dense Wiring | 10.1007/s10909-018-1956-6 |
2018-12-01 | Nuclear recoil detectors with low energy thresholds of 10–100 eV have applications in both neutrino physics (e.g. coherent elastic neutrino-nucleus scattering and neutrinoless double beta decay) as well as for $$\mathscr {O}$$ O (GeV)-mass dark matter searches. Cryogenic crystal detectors are well suited for these appl... | Optimizing Thermal Detectors for Low-Threshold Applications in Neutrino and Dark Matter Experiments | 10.1007/s10909-018-2073-2 |
2018-12-01 | Compacted graphite iron (CGI) is replacing conventional cast iron (CI), especially in the automotive industries for the manufacture of a high-performance and light-weight diesel engine due to its outstanding mechanical properties as compared to the conventional CI. Nevertheless, the pace of replacement is still slow be... | Effect of cryogenic high-speed milling of compacted graphite iron using indirect spray system | 10.1007/s00170-018-2213-5 |
2018-12-01 | We are building a transition edge sensor (TES) X-ray spectrometer for the Linac Coherent Light Source (LCLS-II) at SLAC National Accelerator Laboratory (SLAC) to coincide with new upgrades for this free electron laser facility. This new X-ray spectrometer will have 1000 TES pixels with 0.5 eV energy resolution for soft... | TES X-ray Spectrometer at SLAC LCLS-II | 10.1007/s10909-018-2053-6 |
2018-12-01 | The development of lens-antenna-coupled aluminum-based microwave kinetic inductance detectors (MKIDs) and on-chip spectrometers needs a dedicated cryogenic setup to measure the beam patterns of the lens-antenna system over a large angular throughput and broad frequency range. This requires a careful design since the MK... | Large Angle Optical Access in a Sub-Kelvin Cryostat | 10.1007/s10909-018-1940-1 |
2018-12-01 | This paper presents a numerical model for the hard turning process under the cryogenic cooling condition. This numerical model was developed on the basis of the modified Oxley’s cutting theory with implementing the cryogenic cooling condition. The cooling effect of cryogenic coolant on the tool flank face was modeled a... | Predictive modeling for the cryogenic cooling condition of the hard turning process | 10.1007/s00170-018-2660-z |
2018-12-01 | This paper presents the first comprehensive investigation that aluminum honeycomb has inevitable machining defect in milling process, such as deformation, burr, and collapse. Ice fixation method was used to clamp workpieces, and inner-injection liquid nitrogen was employed for a series of cryogenic milling machining. I... | Optimization of cryogenic milling parameters for aluminum honeycomb treated by ice fixation method | 10.1007/s00170-018-2599-0 |
2018-11-27 | In the recent years, environmental regulations became stringent in terms of disposal of chemically contaminated conventional coolants. Cryogenic cooling is an alternative technique to the conventional cooling technique with conventional coolants. In this work, new findings were reported in turning of 17-4 precipitation... | Effect of cryogenic coolant on turning performance: a comparative study | 10.1007/s42452-018-0078-8 |
2018-11-01 | Understanding the origin and early evolution of stars is one of the fundamental objectives of astronomy. This can be possible with observations made from space in the mid- to far-infrared and millimeter-wave part of the spectrum which require detectors with very high sensitivity. In the framework of the SPICA project a... | Characterization of Doped Silicon Thermometers for Very High Sensitivity Cryogenic Bolometers | 10.1007/s10909-018-1993-1 |
2018-11-01 | We report on the fabrication and characterization of Mo/Au-based transition-edge sensors (TES), intended to be used in X-ray detectors. We have performed complete dark characterization using I – V curves, complex impedance and noise measurements at different bath temperatures and biases. Devices with two designs, diffe... | Comparison of Different Mo/Au TES Designs for Radiation Detectors | 10.1007/s10909-018-1936-x |
2018-11-01 | To cope with the future large demand on neutron-transmutation-doped germanium of (NTD) sensors, our groups in LUMINEU started a new production line for NTD-Ge. This paper contains details on the NTD-Ge production, resistance measurement and a comparison of the performance in terms of noise and signal-to-noise ratio wit... | NTD-Ge Production in the LUMINEU Experiment Using Cryogenic Detectors for Rare Event Searches and Other Applications | 10.1007/s10909-018-2005-1 |
2018-11-01 | Remarkable progress in correlative light and electron cryo-microscopy (cryo-CLEM) has been made in the past decade. A crucial component for cryo-CLEM is a dedicated cryo-fluorescence microscope (cryo-FM). Here, we describe an ultra-stable super-resolution cryo-FM that exhibits excellent thermal and mechanical stability... | Ultra-stable super-resolution fluorescence cryo-microscopy for correlative light and electron cryo-microscopy | 10.1007/s11427-018-9380-3 |
2018-11-01 | Abstract The article discusses the impact of global climate change on the components of the natural environment of the permafrost zone (e.g.., the center of the continental cryolithozone of the Northern Hemisphere). These changes have significantly intensified the dynamics of the climate parameters of the region: the a... | Climate Change and Dynamics of Permafrost Ecosystems of the Center of the Continental Cryolithozone of the Northern Hemisphere | 10.1134/S1019331618060072 |
2018-11-01 | In the present scenario, metal cutting industries are looking for alternative cooling techniques to conventional cooling to satisfy the stringent environment regulations as well as lower productivity problems while machining of difficult to cut materials. Cryogenic machining is a novel eco-friendly as well as efficient... | Analysis and Modeling of Cryogenic Turning Operation Using Response Surface Methodology | 10.1007/s12633-018-9816-1 |
2018-11-01 | We present a model to calculate heat signal shapes from low-temperature bolometer attached to a crystal. This model is based on the elementary acoustic wave theory at low temperature and has been developed using modern Monte Carlo techniques. Physical processes in phonon propagation, such as transmission, scattering an... | A Model on Heat Signal of Crystal Detector at Low Temperature | 10.1007/s10909-018-2003-3 |
2018-11-01 | The CRESST-III experiment (Cryogenic Rare Events Search with Superconducting Thermometers), located at the underground facility Laboratori Nazionali del Gran Sasso in Italy, uses scintillating CaWO $$_4$$ 4 crystals as cryogenic calorimeters to search for direct dark matter interactions in detectors. A large part of th... | A Low Nuclear Recoil Energy Threshold for Dark Matter Search with CRESST-III Detectors | 10.1007/s10909-018-1948-6 |
2018-11-01 | Acoustic emission response of fossil coals being at different stages of metamorphism to cyclic variation of effective thermal stresses is experimentally investigated. The equipment and procedure used in the experiments are described. The features of the response are revealed and analyzed in the samples of anthracite, l... | Effect of Thermal Memory in Acoustic Emission in Fossil Coal after Pre-Disintegration by Cryogenic Treatment | 10.1134/S1062739118065023 |
2018-11-01 | The electronic assembly considered in this study is an infrared (IR) detector consisting of different layers, including (111) CdHgTe and (100) silicon single crystals. The processing steps and the low working temperature (77 K) induce thermomechanical stresses that can affect the reliability of the thin and brittle CdH... | X-ray Diffraction Residual Stress Measurement at Room Temperature and 77 K in a Microelectronic Multi-layered
Single-Crystal Structure Used for Infrared Detection | 10.1007/s11664-018-6560-7 |
2018-11-01 | We report on the performance of a cryogenic 2D linear ion trap (cryoLIT) that is shown to be mass-selective in the temperature range of 17–295 K. As the cryoLIT is cooled, the ejection voltages during the mass instability scan decrease, which results in an effective mass shift to lower m/z relative to room temperature.... | Operation and Performance of a Mass-Selective Cryogenic Linear Ion Trap | 10.1007/s13361-018-2026-7 |
2018-10-13 | Background The in vivo observation of diffusible components, such as ions and small phenolic compounds, remains a challenge in turgid plant organs. The analytical techniques used to localize such components in water-rich tissue with a large field of view are lacking. It remains an issue to limit compound diffusion duri... | Cryo-laser scanning confocal microscopy of diffusible plant compounds | 10.1186/s13007-018-0356-x |
2018-10-01 | The effect of cryorolling on the precipitation process of deformed Cu–Ni–Si alloys was investigated through in situ synchrotron X-ray diffraction technique. The results demonstrate that the precipitation process is significantly accelerated by cryorolling. Cryorolling produces higher dislocation density, which provides... | Influence of Cryorolling on the Precipitation of Cu–Ni–Si Alloys: An In Situ X-ray Diffraction Study | 10.1007/s40195-018-0781-x |
2018-10-01 | We have used different metallic magnetic calorimeter (MMC) gamma detectors to measure the low-energy emissions of ^233U with an accuracy of a few eV. ^233U is of interest in nuclear safeguards because it is a fissile isotope that is produced by neutron irradiation of ^232Th in the thorium fuel cycle. However, some of t... | Consistent measurements of ^233U gamma emissions using metallic magnetic calorimeters with ultra-high energy resolution | 10.1007/s10967-018-6182-9 |
2018-10-01 | Plasma etching is a powerful technique for transferring high-resolution lithographic patterns into HgCdTe material with low etch-induced damage, and it is important for fabricating small-pixel-size HgCdTe infrared focal plane array (IRFPA) detectors. P - to n -type conversion is known to occur during plasma etching of ... | Inductively Coupled Plasma-Induced Electrical Damage on HgCdTe Etched Surface at Cryogenic Temperatures | 10.1007/s11664-018-6172-2 |
2018-10-01 | The secondary phases of the steels have significant effects on the microstructure and mechanical properties, making controlling these secondary phases important. The control of MnS inclusions and AlN precipitates in a N-alloyed high-Mn twin-induced plastic cryogenic steel via solution treatment was investigated with se... | Control of Secondary Phases by Solution Treatment in a N-Alloyed High-Mn Cryogenic Steel | 10.1007/s40195-018-0759-8 |
2018-10-01 | 目的 低温风洞运行时大流量低温氮气被排放到大气环境中,对周围环境造成潜在的低温、缺氧危险。 本文旨在研究羽流扩散过程中各变量(环境风速、环境风温度、相对湿度和排气出口流速)对 羽流沉降的影响。 创新点 采用考虑相变的低温羽流扩散模型,通过数值模拟对影响羽流扩散的各参数进行敏感性分析。 方法 1. 基于Hertz-Knudsen 关系修正,考虑空气中水的相变,构建低温羽流扩散的数值模型;2. 对照 美国National Transonic Facility的羽流扩散数据 和NASA 的二阶分析模型的计算结果,验证本文 所采用的数值模型的准确性;3. 利用数值模拟, 比较不同排放条件下近地面的最低氧含量和最低温度,并对各变量进行敏感性分... | A parametric sensitivity study by numerical simulations on plume dispersion of the exhaust from a cryogenic wind tunnel | 10.1631/jzus.A1700632 |
2018-10-01 | Annealing of the submicrocrystalline (SMC) structure of niobium obtained by high pressure torsion to e = 7 at the temperature of liquid nitrogen was carried out. The influence of the annealing temperature in the range of 100–1100°C on the recrystallization of the SMC structure and the formation of texture was investiga... | Structure and Microtexture of Niobium Recrystallized after Cryogenic Deformation by Shear under Pressure | 10.1134/S0031918X18100137 |
2018-09-24 | Polymers with reversible elongation upon cooling (EUC) and contraction upon heating (CUH) enabled applications in actuators, fasteners, dampers, grippers, swimmers, sealants, etc. With the current working temperature being limited to mainly above zero Celsius, applications for subzero Celsius environments are obstructe... | Giant reversible elongation upon cooling and contraction upon heating for a crosslinked cis poly(1,4-butadiene) system at temperatures below zero Celsius | 10.1038/s41598-018-32436-9 |
2018-09-05 | Risers are multilayer structures used in oil production and transportation. The pressure armor is the layer responsible for supporting the internal radial pressure and is produced from a helical interlocked steel wire. The interlocking mechanism, which gives flexibility to the riser, is responsible for the wear on the ... | Wear resistance of the pressure armor submitted to deep cryogenic treatment and plasma nitriding | 10.1007/s40430-018-1387-y |
2018-09-01 | Magnetite nanoparticles 2–20 nm in size, forming agglomerates up to 70 nm in size, are obtained by cryochemical synthesis. | Cryochemical Synthesis of Magnetite Nanoparticles | 10.3103/S0027131418050103 |
2018-09-01 | During machining of difficult-to-cut alloys, the rapid tool wear as a consequence of the high values of cutting forces and temperatures significantly affects the surface integrity of the machined surfaces reducing the product in-service performances. The use of conventional cutting fluids limits the tool deterioration,... | Surface Integrity Analysis of Ti6Al4V After Semi-finishing Turning Under Different Low-Temperature Cooling Strategies | 10.1007/s11665-018-3598-x |
2018-09-01 | The present research paper focuses on optimisation of wear test parameters for different deep cryogenic treated AISI M2 tool steel material. Commercially available, AISI M2 tool steel material is machined as per ASTM G99-05 standards and was subjected to deep cryogenic treatment for the different holding time of 12, 24... | Deep Cryogenic Treatment of AISI M2 Tool Steel and Optimisation of Its Wear Characteristics Using Taguchi‘s Approach | 10.1007/s13369-018-3242-y |
2018-09-01 | Methods of X-ray structural analysis and durometry, as well as electron microscopy were used to identify the stages of mechanical alloying in the case of torsion under high quasi-hydrostatic pressure on Bridgman anvils in the Cu–Zn and Au–Co systems that have different mutual solubility and enthalpy of mixing. It was e... | Stages of Mechanical Alloying in Systems with Different Solubility Cu–Zn and Au–Co in the Case of Cold and Low-Temperature Deformation by Torsion Under Pressure | 10.1007/s11182-018-1481-8 |
2018-09-01 | The two-equation model in porous media can describe the local thermal non-equilibrium (LTNE) effects between fluid and solid at REV scale, with the temperature differences in a solid particle neglected. A multi-scale model has been proposed in this study. In the model, the temperature differences in a solid particle ar... | Modeling and Simulation of Local Thermal Non-equilibrium Effects in Porous Media with Small Thermal Conductivity | 10.1007/s11242-018-1084-4 |
2018-09-01 | To solve the failure problem of hot stamping tool, the CR7V steel was deep cryogenically treated at different dwelling times with multiple tempering. The hardness, impact toughness and wear resistance of the CR7V steel were examined, and the effects of deep cryogenic treatment on the microstructure of the CR7V steel we... | Effect of Deep Cryogenic Treatment on Mechanical Properties and Microstructure of the Tool Steel CR7V for Hot Stamping | 10.1007/s11665-018-3552-y |
2018-09-01 | The article aims to investigate the influence of cryogenic and ambient grinding on powder quality of king chilli ( Capsicum chinense L.). The grinding experiments were performed using a laboratory scale ball mill. Quality of the powders was accessed by measuring the properties such as densities, Hausner ratio, compress... | Effect of grinding methods on powder quality of king chilli | 10.1007/s11694-018-9784-6 |
2018-09-01 | The influence of Nb content on the microstructure and cryogenic mechanical properties of a 7%Ni steel was investigated within the Nb content range from 0 to 0.05%. The microstructure was characterized by optical microscope, scanning electron microscope, transmission electron microscopy and X-ray diffraction, and the lo... | Influence of Nb Content on Microstructure and Mechanical Properties of a 7%Ni Steel | 10.1007/s40195-018-0743-3 |
2018-09-01 | In this work, an attempt has been made to optimize the process parameters of turning operation for INCOLOY 800H, with the help of cryogenically treated multilayer CVD-coated tool. The influencing factors like cutting speed, feed rate and depth of cut were selected as input machining parameters. The output responses suc... | Optimization of Turning Parameters of Machining Incoloy 800H Superalloy Using Cryogenically Treated Multilayer CVD-Coated Tool | 10.1007/s13369-018-3287-y |
2018-09-01 | Aerospace metal honeycomb materials with low stiffness had often the deformation, burr, collapse, and other defects in the mechanical processing. They were attributed to poor fixation method and inapposite cutting force. This paper presented the improvement of fixation way. The hexagonal aluminum honeycomb core materia... | Investigate on milling force of cryogenic cooling processing aluminum honeycomb treated by ice fixation | 10.1007/s00170-018-2301-6 |
2018-08-01 | The effects of cryogenic minimum quantity lubrication (CMQL) on cutting forces and cutting temperature are analyzed in high speed milling of 300M steel. The influences of cutting parameters on cutting forces and cutting temperature are predicted by analogue simulation. Based on single-factor comparative test, the varia... | Simulation and Experiments on Cutting Forces and Cutting Temperature in High Speed Milling of 300M Steel under CMQL and Dry Conditions | 10.1007/s12541-018-0147-3 |
2018-08-01 | The increasing application of GPa-grade steel to autobody panels has led to increasing problems related to abrasive wear in mold and tool surfaces, which dramatically degrades tool life and also degrades the surface finish of the final product. This paper mainly concerns the punching wear resistance imparted by cryogen... | Abrasive Wear in Punching Pin with Cryogenic Treatment for GPa-Grade Steels | 10.1007/s12541-018-0139-3 |
2018-08-01 | Conventional twist drilling is a widely used machining process for creating holes in aerospace and automobile structures. Drilling at room temperature can sometime affect the quality of machined holes due to increased thermal effects on the workpiece. Thermal effects can be a cumbersome when machining composites and fi... | The effect of drilling parameters, cooling technology, and fiber orientation on hole perpendicularity error in fiber metal laminates | 10.1007/s00170-018-2241-1 |
2018-07-01 | The effect of Mn content on the microstructure and cryogenic mechanical properties of a 7% Ni steel was investigated within the Mn content range from 0.13% to 0.36%. The microstructure of the steel as determined by optical microscopy, scanning electron microscopy, transmission electron microscopy, electron backscatteri... | Effect of Mn Content on Microstructure and Cryogenic Mechanical Properties of a 7% Ni Steel | 10.1007/s40195-018-0700-1 |
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