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43
respectively O
. O
Counterintuitively O
, O
specimens O
with O
0° O
infill S-PARA
direction O
were O
consistently O
the O
worst O
performing O
due O
to O
the O
tangency O
voids S-CONPRI
and O
poor O
edge O
surface B-FEAT
finish E-FEAT
resulting O
from O
the O
toolpath S-PARA
. O
We O
show O
that O
, O
to O
maximize O
ultimate B-PRO
tensile I-PRO
strength E-PRO
of O
silicone S-MATE
parts O
made O
by O
extrusion-based O
additive B-MANP
manufacturing E-MANP
, O
it O
is O
important O
to O
select O
process B-CONPRI
parameters E-CONPRI
which O
minimize O
the O
elongated O
voids S-CONPRI
, O
infill S-PARA
tangency O
voids S-CONPRI
, O
and O
surface S-CONPRI
edges O
. O
If O
these O
conditions O
can O
be S-MATE
achieved O
, O
the O
infill S-PARA
direction O
does O
not O
play O
a O
significant O
role O
in O
tensile B-PRO
strength E-PRO
of O
the O
tensile B-MACEQ
specimen E-MACEQ
. O