Effect of rare earth element Y on the crack propagation behavior of Mg alloys: A molecular dynamics simulation
Physics Letters A,
Год журнала:
2024,
Номер
527, С. 130005 - 130005
Опубликована: Окт. 22, 2024
Язык: Английский
Effects of heat treatment parameters and grain sizes on mechanical response of amorphous/crystalline CuZr composites
Mechanics of Materials,
Год журнала:
2024,
Номер
201, С. 105233 - 105233
Опубликована: Дек. 11, 2024
Язык: Английский
Micro-mechanism of mechanical enhancement of NiTiAl amorphous-crystal nanomultilayers
International Journal of Mechanical Sciences,
Год журнала:
2025,
Номер
unknown, С. 110020 - 110020
Опубликована: Фев. 1, 2025
Язык: Английский
Effect of interface structure on solid-state amorphization of dual-phase Mg alloys
Journal of Applied Physics,
Год журнала:
2025,
Номер
137(5)
Опубликована: Фев. 5, 2025
The
interface
and
its
structure
have
a
significant
impact
on
the
mechanical
properties
of
magnesium
(Mg)
alloys.
However,
role
in
solid-state
amorphization
process
Mg
alloys
is
still
unclear.
Here,
effect
four
structures,
namely,
basal/prismatic
(BP),
stacking
fault
(SF),
twin
boundary
(TB),
high-angle
grain
(HAGB)
(SSA)
amorphous/crystalline
dual-phase
investigated
using
molecular
dynamics
simulation.
results
indicate
that
introduction
all
interfaces
increases
SSA
degree
For
models,
varies
from
high
to
low
order
as
BP
model,
TB
SF
HAGB
which
means
atomic
diffusion
has
dependence
energy.
show
plays
two
roles
process:
first,
it
changes
amorphous–crystalline
contact
with
second,
more
open
itself
fast
channel
for
diffusion,
both
are
beneficial
Язык: Английский
Effect of grain boundary segregation of rare earth element on deformation behavior of Mg alloys
Journal of Applied Physics,
Год журнала:
2024,
Номер
136(6)
Опубликована: Авг. 9, 2024
Alloying
with
rare
earth
(RE)
elements
is
an
effective
way
to
improve
the
mechanical
properties
of
Mg
alloys.
However,
strengthening
mechanism
RE
element
Y
on
alloys
still
needs
be
further
revealed.
The
effect
grain
boundary
(GB)
segregation
and
GB
stability
are
investigated
by
molecular
dynamics
simulation
method.
results
show
that
atoms
can
significantly
increase
yield
strength
higher
content
at
GB,
stronger
also
GBs
thicken
increasing
GBs,
which
attributed
diffusion
atoms,
leading
solid-state
amorphization
indicate
undergo
a
transition
from
plastic
deformation
dominated
co-sliding
dislocations
slip
only.
This
work
provides
theoretical
basis
for
design
preparation
high-performance
Язык: Английский