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43
in O
conventional O
TIG S-MANP
mode O
in O
front O
of O
the O
molten B-CONPRI
pool E-CONPRI
. O
The O
two O
wires O
melt S-CONPRI
synchronously O
in O
a O
broad O
range S-PARA
of O
parameters S-CONPRI
. O
The O
compositions O
of O
the O
component S-MACEQ
can O
be S-MATE
controlled O
by O
adjusting O
the O
two-wire O
feeding O
speeds O
. O
The O
main O
microstructures S-MATE
of O
the O
as-fabricated O
component S-MACEQ
contain O
α2/γ O
lamellae S-MATE
colonies O
, O
equiaxed O
γ O
grains S-CONPRI
, O
and O
α2 O
grains S-CONPRI
. O
In O
the O
top O
and O
middle O
regions O
, O
when O
the O
Al S-MATE
content O
is O
45 O
at. O
% O
, O
the O
structures O
are O
full O
α2/γ O
lamellae S-MATE
; O
as S-MATE
the O
Al S-MATE
content O
increases O
to O
50 O
at. O
% O
, O
some O