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to O
the O
necessity O
of O
fully O
resolving O
the O
heat B-CONPRI
source E-CONPRI
characteristics O
. O
On O
the O
other O
hand O
, O
it O
is O
extremely O
difficult O
to O
resolve O
the O
highly O
dynamic S-CONPRI
nature O
of O
the O
process S-CONPRI
using O
purely O
in-situ S-CONPRI
characterization O
techniques O
[ O
1 O
] O
. O
This O
paper O
proposes O
a O
pragmatic O
alternative O
based O
on O
a O
semi-analytical B-CONPRI
approach E-CONPRI
to O
predicting O
the O
transient B-CONPRI
heat I-CONPRI
conduction E-CONPRI
during O
powder B-MANP
bed I-MANP
metal I-MANP
additive I-MANP
manufacturing I-MANP
processes E-MANP
. O
The O
model S-CONPRI
calculations O
were O
theoretically O
verified O
for O
selective B-MANP
laser I-MANP
melting E-MANP
of O
AlSi10Mg S-MATE
and O
electron B-MANP
beam I-MANP
melting E-MANP
of O
IN718 S-MATE
powders O
for O
simple S-MANP
cross-sectional B-CONPRI
geometries E-CONPRI
and O
the O
transient S-CONPRI
results O
are O
compared O
to O
steady B-CONPRI