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43
can O
not O
be S-MATE
solely O
explained O
by O
the O
energy O
dissipation O
rate O
. O
We O
found O
that O
energy B-CHAR
absorption E-CHAR
changes O
significantly O
under O
a O
constant O
input O
energy B-PARA
density E-PARA
, O
which O
is O
another O
important O
cause O
of O
melt B-MATE
pool E-MATE
variation O
. O
Our O
further O
analysis O
reveals O
that O
the O
significant O
change O
in O
energy B-CHAR
absorption E-CHAR
originates O
from O
the O
separate O
roles O
of O
laser B-PARA
power E-PARA
and O
scan B-PARA
speed E-PARA
in O
depression O
zone O
development O
. O
The O
results O
reported O
here O
are O
important O
for O
understanding O
the O
laser B-MANP
powder I-MANP
bed I-MANP
fusion I-MANP
additive I-MANP
manufacturing I-MANP
process E-MANP
and O
guiding O
the O
development O
of O
better O
metrics O
for O
processing O
parameter S-CONPRI
design S-FEAT
. O
Successful O
round B-CHAR