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To O
address O
this O
problem O
, O
we O
introduce O
a O
new O
class O
of O
non-equilibrium B-CONPRI
phase I-CONPRI
diagrams E-CONPRI
, O
termed O
Scheil B-CONPRI
Ternary I-CONPRI
Projection E-CONPRI
( O
STeP S-CONPRI
) O
diagrams O
, O
for O
designing O
optimal O
composition B-CONPRI
gradients E-CONPRI
that O
avoid O
brittle S-PRO
phases O
. O
Using O
the O
Fe-Cr-Al S-MATE
ternary O
as S-MATE
a O
model S-CONPRI
system O
, O
we O
compare O
the O
phase S-CONPRI
fields O
in O
equilibrium S-CONPRI
and O
STeP B-CONPRI
diagrams E-CONPRI
to O
show O
that O
intermetallic S-MATE
phase O
fields O
are O
dramatically O
expanded O
under O
the O
rapid B-MANP
solidification E-MANP
conditions O
in O
melt-based O
additive B-MANP
manufacturing E-MANP
, O
an O
important O
effect O
that O
must O
be S-MATE
accounted O
for O
when O
designing O
composition B-CONPRI
gradients E-CONPRI
. O
We O
present O
the O
results O
of O
3D S-CONPRI
modeling O
of O
the O