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Long O
heat-treatment O
times O
decreased O
ductility S-PRO
and O
Young O
’ O
s S-MATE
modulus O
. O
All O
elevated O
temperature S-PARA
heat-treatments O
yielded O
similar O
percent O
crystallinity O
. O
Increasing O
print S-MANP
and O
heat-treatment O
temperature S-PARA
increased O
inter-road O
bonding S-CONPRI
. O
Post-processing S-CONPRI
heat-treatments O
increased O
mechanical B-CONPRI
properties E-CONPRI
of O
printed O
parts O
. O
Material B-MANP
extrusion I-MANP
additive I-MANP
manufacturing E-MANP
( O
MEAM O
) O
and O
other O
additive B-MANP
manufacturing E-MANP
methods O
provide O
part O
design S-FEAT
options O
that O
would O
be S-MATE
difficult O
or O
impossible O
to O
realize O
with O
conventional B-MANP
manufacturing E-MANP
methods O
. O
However O
, O
the O
mechanical B-CONPRI
properties E-CONPRI
of O
parts O
produced O
with O
MEAM O
are O
lower O
than O
bulk O
material B-CONPRI
properties E-CONPRI
because O
of O
the O
interfaces O
between O
roads O