Metals,
Год журнала:
2024,
Номер
14(10), С. 1111 - 1111
Опубликована: Сен. 29, 2024
The
effects
of
solid-solution
and
ageing
treatments
on
the
microstructure
mechanical
properties
a
GH4169
alloy
made
by
wire
arc
additive
manufacturing,
micro-casting,
forging
were
researched.
microstructure,
along
with
size
type
precipitated
phase,
analysed
using
an
optical
microscope,
scanning
electron
transmission
microscope.
strength
toughness
tested
tensile
testing
machine.
results
show
that
polygonal
austenite
was
obtained
for
prepared
through
forging,
followed
double-ageing
at
different
times.
There
few
twins
in
matrix.
A
large
number
nano-sized
γ″-
γ′-precipitated
phases
small
Laves
MX
found
yield
increased
first
then
decreased
time.
After
16
h,
maximum
1287
±
22
MPa,
1447
19
elongation
about
19.5%.
main
mechanism
is
phase
strength.
fracture
exhibited
obvious
ductile
characteristics.
Langmuir,
Год журнала:
2024,
Номер
40(28), С. 14384 - 14398
Опубликована: Июль 1, 2024
Laser-assisted
electrochemical
machining
(ECM)
is
an
ideal
manufacturing
method
for
Inconel
718
(IN718)
because
of
the
method's
high
efficiency
and
good
surface
quality,
basis
key
to
laser-assisted
ECM
its
anodic
dissolution
behavior.
In
this
study,
IN718
in
a
10
wt
%
NaNO
Modelling and Simulation in Materials Science and Engineering,
Год журнала:
2025,
Номер
33(2), С. 025014 - 025014
Опубликована: Янв. 23, 2025
Abstract
The
molecular
dynamics
method
was
employed
to
simulate
the
friction
process
at
multiphase
uniformly
distributed
γ
/
′
phase
interface
of
a
nickel-based
single
crystal
alloy.
results
show
that
presence
coherent
significantly
affects
force
fluctuations,
abrasion
mark
morphology,
atomic
displacement,
and
material
resilience.
coefficient
varies
with
number
interfaces
is
closely
related
depth
wear.
Atomic
displacements
strains
are
affected
by
lattice
interfaces,
which
affect
propagation
strains.
As
increases,
elasticity
while
decreases.
also
dislocation
density
dislocations
due
mismatch.
Adequate
control
therefore
essential
optimize
wear
characteristics.
