The effect of thermal cycle on microstructure evolution and mechanical properties of Co-free maraging steel produced by wire arc additive manufacturing
Journal of Materials Processing Technology,
Год журнала:
2024,
Номер
332, С. 118582 - 118582
Опубликована: Авг. 30, 2024
Язык: Английский
Manipulating scanning strategies towards controlled microstructure of laser remelted Mg–3Al–1Zn alloy
Journal of Materials Research and Technology,
Год журнала:
2024,
Номер
30, С. 7533 - 7544
Опубликована: Май 1, 2024
Various
laser
scanning
strategies
of
multitrack
products,
consisting
a
default
Raster
pattern
(R1),
with
changed
line
order
(R2),
and
Zigzag
(Z1),
different
overlap
rates
ranged
from
0.7
to
0.5,
have
been
conducted
investigate
microstructure
evolution
for
Mg-3Al-1Zn
alloy.
As
the
rate
changes
average
grain
size
decreases
texture
is
slightly
concentrated,
except
R2
pattern.
For
effect
pattern,
relatively
small
can
be
obtained
using
R1,
patterns
compared
Z1
pattern;
weak
The
utilization
results
in
further
weakening
that
R1
Microstructure
strategy
mainly
determined
by
low-undercooling-required
epitaxial
growth
along
temperature
gradient
directions
at
solid/liquid
interface.
Combined
computational
thermal-fluid
dynamics
simulation,
strong
fluid
flow
within
molten
pool
promotes
side
expansion
pool,
resulting
larger
area,
corresponding
three-times
remelting
domain
continuous
deflections
major
axes.
Язык: Английский
A study on martensite phase evolution of maraging steel induced by thermal cycles during wire arc additive manufacturing based on physical simulation
Chengling Kan,
Lin Zhao,
Jinquan Yi
и другие.
Materials Science and Engineering A,
Год журнала:
2025,
Номер
926, С. 147947 - 147947
Опубликована: Фев. 1, 2025
Язык: Английский
As-built microstructure and mechanical behavior of Inconel 718 processed via directed energy deposition with laser beam
Progress in Additive Manufacturing,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 15, 2025
Язык: Английский
Enhancing mechanical and tribological properties of laser-based directed energy deposited IN718 alloy via synchronised high repetition laser shock peening
Virtual and Physical Prototyping,
Год журнала:
2025,
Номер
20(1)
Опубликована: Апрель 2, 2025
Язык: Английский
Effect of Powder Characteristic on Microstructure and Mechanical Property of Additive Manufacturing Nickel-Based Superalloy In718
Опубликована: Янв. 1, 2025
Язык: Английский
On the role of the preheat temperature in electron-beam powder bed fusion processed IN718
Additive Manufacturing Letters,
Год журнала:
2024,
Номер
11, С. 100238 - 100238
Опубликована: Авг. 31, 2024
Process
parameters
optimization
in
additive
manufacturing
(AM)
is
usually
required
to
unlock
superior
properties,
and
this
often
facilitated
by
modeling.
In
electron
beam
powder
bed
fusion
(E-PBF),
the
preheat
temperature
an
important
parameter
be
optimized
as
it
significantly
influences
microstructure
properties.
Here
we
compare
effect
of
two
temperatures
(1000
950°C,
above
below
δ-phase
solvus
temperature)
on
microstructural
evolution
E-PBF
IN718
Ni-based
superalloy.
Using
thermal
thermo-kinetic
modeling,
predict
changes
them
with
experimental
findings.
A
decrease
only
50°C
has
a
low
impact
solidification
slight
reduction
columnar
grain
width.
solid-state,
higher
preheating
causes
intergranular
precipitation,
contributing
γ"
precipitation
potential,
formation
co-precipitates,
hardness.
The
lower
induces
intragranular
reducing
potential
chemical
composition
γ'
largely
unaffected
variation.
These
insights
underscore
importance
design
property
control
during
E-PBF.
Язык: Английский
Remelting Model and Cracking Criterion for Vacuum Arc Remelting of Superalloys: Taking IN718 as an Example
Metallurgical and Materials Transactions B,
Год журнала:
2024,
Номер
55(5), С. 3848 - 3865
Опубликована: Авг. 2, 2024
Язык: Английский
Advancing the understanding of metal additive manufacturing via physical simulation and in situ transmission electron microscopy: a viewpoint
Journal of Materials Science,
Год журнала:
2024,
Номер
59(43), С. 20221 - 20240
Опубликована: Ноя. 1, 2024
The
complex
microstructure
evolution
and
heterogeneities
in
metal
additive
manufacturing
(AM)
continue
to
delay
the
adoption
of
AM
parts
by
additional
industries.
Achieving
uniform
superior
properties
requires
better
fundamental
understanding
microstructural
evolution.
A
suitable
pathway
gain
such
is
via
situ
techniques
as
high-speed
X-ray
imaging,
high-resolution
infrared
cameras,
or
synchrotron
neutron
diffraction.
However,
these
methods
are
resource
intensive.
Modeling
may
be
a
more
economical
avenue,
yet,
make
models
robust
reliable,
data
from
often
required.
We
believe
that
some
cases,
physical
simulation
originally
developed
for
research
on
conventional
processing
forging,
rolling,
welding
provide
similar
insights.
This
viewpoint
article
discusses
existing
experimental
tracking
during
lab-scale
settings,
focusing
Ni-based
superalloys
case
study.
proposed
include
Gleeble
thermo-mechanical
simulator,
dilatometry,
arc-melting
heat
treatment
technique.
These
can
also
integrated
into
various
X-ray,
synchrotron,
diffraction
set-ups.
discuss
how
insights
derived
thermo-kinetic
modeling
underpin
observations
simulations.
Last,
transmission
electron
microscopy
evaluated
powerful
method
with
unparalleled
resolution
observing
directly
simulated
processes.
extended
other
alloy
systems,
enhancing
scientific
understanding,
streamlining
efficient
development
properties,
promoting
widespread
AM.
Язык: Английский