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of O
powder B-MACEQ
feedstock E-MACEQ
has O
raised O
interest O
in O
recovering O
unmelted O
powder S-MATE
in O
the O
build B-PARA
chamber E-PARA
and O
its O
reuse O
in O
subsequent O
builds S-CHAR
. O
While O
degradation S-CONPRI
in O
powder S-MATE
properties O
with O
recovery O
and O
reuse O
can O
cause O
degradation S-CONPRI
in O
part O
properties S-CONPRI
, O
this O
topic O
has O
received O
rather O
limited O
attention O
. O
In O
this O
study O
the O
properties S-CONPRI
of O
Ti6Al4V S-MATE
metal B-MATE
powder E-MATE
are O
evaluated O
over O
30 O
build B-PARA
cycles E-PARA
in O
Electron B-MANP
Beam I-MANP
Melting E-MANP
( O
EBM S-MANP
) O
AM S-MANP
. O
The O
morphological O
, O
microstructural S-CONPRI
, O
mechanical S-APPL
, O
and O
chemical O
changes O
are O
evaluated O
in O
cross-sectioned O
powder B-MATE
particles E-MATE
and O
compared O
to O
isolated O
control O
samples S-CONPRI
to O
understand O
the O