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HF-WAAM O
significantly O
affects O
porosity S-PRO
; O
pores S-PRO
formed O
during O
the O
process S-CONPRI
were O
closed O
by O
the O
hot O
forging S-MANP
process O
. O
Because O
deformation S-CONPRI
occurs O
at O
high O
temperatures S-PARA
, O
the O
forces S-CONPRI
involved O
are O
small O
, O
and O
the O
WAAM S-MANP
equipment S-MACEQ
does O
not O
have O
specific O
requirements O
with O
respect O
to O
stiffness S-PRO
, O
thereby O
allowing O
the O
incorporation O
of O
this O
new O
variant O
into O
conventional O
moving O
equipment S-MACEQ
such O
as S-MATE
multi-axis O
robots S-MACEQ
or O
3-axis O
table O
used O
in O
WAAM S-MANP
. O
A O
bimetallic O
additively-manufactured O
structure S-CONPRI
( O
BAMS O
) O
is O
a O
type O
of O
functionally-graded O
multi-material B-FEAT
structure E-FEAT
used O
for O
achieving O
different O
complementary O
material B-CONPRI
properties E-CONPRI
within O
the O
same O
structure S-CONPRI
as S-MATE
well O
as S-MATE