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43
and O
a O
duplicated O
additively B-MANP
manufactured E-MANP
structure O
( O
DAMS O
) O
were O
used O
as S-MATE
initial O
microstructures S-MATE
. O
Samples S-CONPRI
were O
melted S-CONPRI
one O
, O
five O
, O
or O
15 O
times O
by O
arc S-CONPRI
heat O
treatment O
. O
Microstructure S-CONPRI
characterization O
and O
modelling S-ENAT
were O
performed O
to O
study O
the O
evolution S-CONPRI
of O
microstructure S-CONPRI
and O
properties S-CONPRI
with O
successive O
AM S-MANP
cycles O
. O
Microstructural S-CONPRI
changes O
were O
dependent O
on O
the O
number O
of O
reheating O
cycles O
, O
cooling B-PARA
rate E-PARA
, O
and O
peak O
temperature S-PARA
. O
In O
particular O
, O
the O
DAMS O
austenite S-MATE
morphology O
and O
fraction S-CONPRI
changed O
after O
reheating O
to O
peak O
temperatures S-PARA
above O
700 O
°C O
. O
Nitrides S-MATE
and O
sigma O
were O