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and O
uniformly O
dispersed O
micro-tracers O
through O
in-situ S-CONPRI
high-resolution S-PARA
synchrotron O
x-ray B-CHAR
imaging E-CHAR
. O
The O
location-specific O
flow B-CONPRI
patterns E-CONPRI
in O
different O
regions O
of O
the O
melt B-MATE
pool E-MATE
are O
revealed O
and O
quantified O
under O
both O
conduction-mode O
and O
depression-mode O
melting S-MANP
. O
The O
physical B-CONPRI
processes E-CONPRI
at O
different O
locations O
in O
the O
melt B-MATE
pool E-MATE
are O
identified O
. O
The O
full-field O
melt-flow S-CONPRI
mapping O
approach O
reported O
here O
opens O
the O
way O
to O
study O
the O
detailed O
melt-flow B-CONPRI
dynamics E-CONPRI
under O
real O
additive B-MANP
manufacturing E-MANP
conditions O
. O
The O
results O
obtained O
provide O
crucial O
insights O
into O
laser B-MANP
additive I-MANP
manufacturing E-MANP
processes O
and O
are O
critical O
for O
developing O
reliable O
high-fidelity S-CONPRI
computational B-ENAT
models E-ENAT
. O
High B-PARA