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adopted O
and O
effective O
method O
to O
improve O
the O
density S-PRO
and O
microstructure S-CONPRI
homogeneity O
within O
geometrically-complex S-CONPRI
metal O
structures O
fabricated S-CONPRI
with O
laser B-MANP
powder I-MANP
bed I-MANP
fusion E-MANP
( O
LPBF S-MANP
) O
. O
The O
role O
of O
pores S-PRO
in O
the O
fatigue S-PRO
performance O
of O
additively B-MANP
manufactured E-MANP
metal O
parts O
is O
increasingly O
being O
recognized O
as S-MATE
a O
critical B-PRO
factor E-PRO
and O
HIP S-MANP
post-processing O
is O
now O
heralded O
as S-MATE
a O
method O
to O
eliminate O
pores S-PRO
, O
especially O
for O
high-criticality O
applications O
such O
as S-MATE
in O
the O
aerospace B-APPL
industry E-APPL
. O
Despite O
the O
widely O
reported O
positive O
influence O
on O
fatigue S-PRO
performance O
and O
high O
efficiency O
of O
pore S-PRO
closure O
, O
examples O
have O
been O
reported O
in O
which O
pores S-PRO
have O
not O
been O