Defect and diffusion forum/Diffusion and defect data, solid state data. Part A, Defect and diffusion forum,
Год журнала:
2025,
Номер
443, С. 23 - 35
Опубликована: Июнь 3, 2025
The
enhancement
of
interdiffusion
coefficients
in
bulk
Ti-Mo
alloy
system
by
the
SPS/FAST
process
was
investigated
at
1000°C
for
8hrs
and
1200°C
4hrs.
During
annealing,
current
density
SPS
maintained
an
RMS
188
A/cm
2
sample
annealed
177
average
heating
rate
200
K/min.
elemental
concentration
Ti
Mo
across
region
measured
using
electron
probe
microanalyzer
(EPMA)
resulting
vs
distance
profiles
applied
evaluating
Den-Broeder
analytical
methods.
calculated
two
methods
were
then
compared
order
to
ensure
accuracy
reliability.
Possible
diffusion
established
comparing
obtained
from
annealing
those
literature
same
temperature
but
which
no
electric
flowing
through
sample.
results
showed
that
evaluated
method
closely
similar
method.
also
presence
significantly
higher
than
traditional
This
can
be
attributed
increased
vacancy
defect
mobility
facilitated
while
Heliyon,
Год журнала:
2023,
Номер
9(3), С. e14070 - e14070
Опубликована: Фев. 25, 2023
Nanostructured
materials
(NsM)
are
typical
with
structural
length
scales
of
one,
two,
or
three
dimensions
in
the
range
1-100
nm.
In
development
NsM,
microstructure
a
material,
which
is
an
integral
factor
determining
intrinsic
performance
susceptible
to
changes
that
may
hinder
desired
nano-state
properties
under
different
processing
routes
and
associated
varying
parameters.
NsM
exhibits
distinct
superior
when
compared
conventional
coarse-structured
materials.
They
exhibit
rapid
during
production
due
their
unique
surface
area,
requires
concise
control
measures
over
coarse
These
promising
excellent
nanocrystalline
have
caught
attention
material
scientists
engineers
towards
developments.
order
exploit
abundance
investigations
on
processing-structure-property
correlations
been
employed
recent
years
understand
complications
subsequent
novel
This
review
aims
sintering
nanomaterials,
clear
focus
spark
plasma
technique
its
parameters,
bordering
intricate
issues
densification,
coarsening
particles,
grain
growth.
Advances in Polymer Technology,
Год журнала:
2023,
Номер
2023, С. 1 - 9
Опубликована: Апрель 11, 2023
Pipes
are
manufactured
primarily
through
the
extrusion
process.
One
of
material
processes
in
recent
digital
manufacturing
is
additive
manufacturing’s
fusion
deposition
modeling.
made
from
various
materials
such
as
metal
and
plastic/polymers,
main
challenge
has
been
selecting
pipe
for
customized
application.
For
creation
water-passing
tubes,
this
research
chosen
appropriate
carbon-reinforced
polymers
that
can
be
used
with
filament
polyether
ether
ketone
(PEEK)
polyethylene
terephthalate
glycol
(PETG).
goal,
analytical
hierarchy
process,
also
known
AHP,
to
choose
best
based
on
factors
cost,
temperature
resistance,
printing
speed,
mechanical
properties
material.
The
results
revealed
PEEK-CF
a
better
impeller
application
than
PETG-CF.
obtains
higher
priority
value
0.6363,
PETG-CF
0.2791.
This
decision-making
technique
select
other
comparable
applications.
Functional Composites and Structures,
Год журнала:
2025,
Номер
7(1), С. 015004 - 015004
Опубликована: Янв. 29, 2025
Abstract
The
growing
industrial
demand
for
mesoporous
silica
nanoparticles
(MSNs)
necessitates
the
exploration
of
alternative
raw
materials
due
to
limited
availability
traditional
sources.
Rice
husk,
an
environmentally
sustainable
by-product,
offers
a
cost-effective
solution
with
reduced
environmental
impact.
This
study
investigates
synthesis
MSNs
from
rice
husk
using
sol–gel
method,
focusing
on
effect
calcination
temperature
their
physical
and
chemical
properties.
Characterization
confirmed
successful
MSNs.
Fourier
transform
infrared
spectroscopy
identified
siloxane
groups
in
all
samples,
indicating
silicate
materials.
Scanning
electron
microscopy-energy
dispersive
revealed
spherical-like
morphology
as
primary
component.
Transmission
microscopy
measured
average
particle
sizes
control,
400
°C
calcined,
600
calcined
50.5
nm,
49.3
53.1
respectively.
X-ray
diffraction
analysis
indicated
presence
phases
samples.
Surface
area
showed
significant
decrease
surface
(653
m
2
g
−1
–113
)
pore
volume
(0.9
cm
3
–0.1
increasing
temperature,
while
size
slightly
increased
2.6
nm
2.7
nm.
Calcination
influences
removal
CTAB
surfactants,
enhances
bond
strength,
increases
silicon
purity,
resulting
without
altering
basic
or
crystal
structure
synthesized
MSNs,
large
unique
properties,
demonstrate
potential
diverse
applications,
including
use
nanocontainers
corrosion
inhibitors.
Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications,
Год журнала:
2023,
Номер
238(6), С. 1142 - 1154
Опубликована: Ноя. 13, 2023
In
laser-based
powder
bed
fusion
(L-PBF),
the
volumetric
energy
density
(VED)
controlled
by
laser
power
(LP)
and
scan
speed
(SS)
significantly
affects
desired
surface
quality.
Any
variations
in
LP
SS
on
VED
notably
affect
quality
due
to
changes
interactions.
Therefore,
present
study
concentrated
effect
of
various
combinations
SS,
i.e.
low
(160
W)
with
high
(1250
mm/s),
(320
(410
(550
mm/s)
(1100
mm/s).
The
wide
range
varying
VEDs
was
chosen
between
29
177
J/mm
3
.
results
showed
66
90
exhibited
minimum
roughness
parameters
0.51
<
Ra
0.52
µm,
0.63
Rq
0.64
2.53
Rz
2.79
µm.
specific
impact
combination
160
320
W
400–1250
mm/s
maintaining
a
constant
also
investigated.
At
,
280
960
shows
=
0.527
0.645
2.446
that
increases
roughness.
Materials Research Express,
Год журнала:
2023,
Номер
10(10), С. 105304 - 105304
Опубликована: Сен. 5, 2023
Abstract
The
wall
thickness
and
build
direction
of
PA
12
parts
manufactured
via
SLS
are
currently
being
investigated
for
applications
requiring
low
weight
good
mechanical
properties
(ultimate
tensile
strength,
elongation
at
break,
elastic
modulus,
hardness).
Current
design
guidelines
the
process
include
recommendations
about
influence
on
part;
however,
recommended
minimum
only
considers
process's
manufacturability,
so
this
study
aims
to
determine
orientation
conditions
that
present
slightest
difference
in
properties,
considering
different
as
vertical,
horizontal,
transverse
directions
thicknesses
2.0,
2.5
3.0
mm.
Statistical
differences
were
found
between
direction,
ultimate
stress,
break
hardness.
It
was
observed
significant
impression
vertical
versus
horizontal
directions.
values
2.0
mm
thickness.
these
last
two
do
not
differences,
it
is
suggested
with
by
could
have
same
those
a
2.5–3.0
showed
highest
an
stress
≈
43
MPa,
modulus
elasticity
2.2
GPa,
16%–18%
hardness
75
Shore
D.
IEEE Transactions on Components Packaging and Manufacturing Technology,
Год журнала:
2024,
Номер
14(1), С. 10 - 17
Опубликована: Янв. 1, 2024
The
spontaneous
aggregation
and
weak
stability
of
nanosilver
particles
largely
overshadowed
the
application
paste
as
die-attach
materials
in
wide
bandgap
(WBG)
devices.
Taking
advantage
self-decomposition
silver-ammonia
complexes
to
form
silver
particles,
a
novel
particle-free
was
successfully
developed
achieve
higher
sintering
driving
force
well
bonding
quality.
proposed
not
only
promotes
decomposition
complex
but
also
reduces
oxygen
requirement
during
process,
which
significantly
increases
shear
strength
from
23.8
59.4
MPa.
crystallization
behavior
microstructure
evolution
confirm
that
temperature
required
for
formation
reduced
150
°C.
At
same
time,
necking
growth
occurred
at
low
°C,
is
much
lower
than
previous
research
confirms
paste.
More
importantly,
sintered
exhibited
high
thermal
stability,
overall
degradation
29.5%
after
1000
cycles
shock
test
(TST).
combined
with
reliability
silver-complex
enables
development
high-performance
WBG
semiconductors
superior
mechanical
electrical
properties.
Materials Testing,
Год журнала:
2024,
Номер
66(4), С. 611 - 624
Опубликована: Фев. 12, 2024
Abstract
Powder
metallurgy
and
selective
laser
melting
(SLM)
methods
are
widely
used
in
producing
metal
parts.
Adding
reinforcements
can
improve
the
mechanical
physical
properties
of
This
study
uses
powder
method
before
SLM
to
investigate
effect
copper
reinforcement
(0,
0.5,
1,
2,
5
wt.%)
on
316L
MS1
(maraging
steel)
material.
The
started
by
thermochemical
investigating
effects
addition
phases
during
cooling.
According
analysis,
experimental
sintering
processes
were
carried
out
with
suitable
mixing
ratios.
findings
show
that
material
is
more
convenient
sinter
than
due
alloy
ratios
sizes.
up
2
wt.%
results
a
36
reduction
linear
shrinkage
improved
stability.
most
satisfactory
obtained
samples
at
1200
°C
for
1
h.
shows
future
research
should
focus
copper-reinforced
powders
using
parameter
optimization
developing
hybrid
manufacturing
combine
metallurgy.
Journal of Physics D Applied Physics,
Год журнала:
2024,
Номер
58(6), С. 063003 - 063003
Опубликована: Ноя. 8, 2024
Abstract
Deep
ultraviolet
(DUV)
photodetectors
play
important
roles
in
the
modern
semiconductor
industry
due
to
their
diverse
applications
critical
fields.
Wide
bandgap
Ga
2
O
3
is
considered
as
one
promising
material
for
highly
sensitive
DUV
photodetectors.
However,
high
responsivity
of
always
comes
at
expense
its
response
speed.
Material
engineering
high-quality
materials
can
optimize
photoresponse
performance
but
cost
much
more
complex
process.
Structure
efficiently
improve
based
on
various
physical
mechanisms.
Owing
increased
modulation
probabilities,
part
schemes
structure
even
alleviate
tough
requirements
quality
high-performance
This
article
reviews
recent
efforts
optimizing
through
engineering.
Firstly,
nanostructures
and
metasurface
structures
with
nanometer
size
effect
are
discussed.
In
addition,
junction
photodetectors,
which
effectively
promote
carrier
separation
depletion
region,
summarized
a
classification
Schottky
junction,
heterojunction,
phase
etc.
Besides,
avalanche
photodiodes,
offering
ultra-high
gain
responsivity,
focused
prototype
commercialization.
Furthermore,
field
phototransistors,
scalability
low
power
have
been
well
proven,
analyzed
detail.
Moreover,
auxiliary-field
configurations
extra
tunable
dimensions
introduced.
Finally,
we
conclude
this
review
discuss
main
challenges
from
our
perspective.
