Coatings,
Journal Year:
2025,
Volume and Issue:
15(2), P. 210 - 210
Published: Feb. 10, 2025
Additive
manufacturing
of
optical,
electrical,
and
mechanical
components
is
a
beneficial
approach
for
the
rapid
prototyping
error
elimination,
with
short
turnaround
times.
However,
additively
manufactured
usually
have
rough
surfaces
that
need
post-processing,
particularly
optical
components,
where
surface
roughness
must
be
small
fraction
wavelength.
We
demonstrate
an
innovative
economical
by
dip-coating
same
resin
used
printing
in
simple
post-processing
step,
providing
high
transparency
to
3D-printed
reducing
while
achieving
perfect
index
matching
coating
layer.
The
drops
5
nm
(arithmetic
average)
after
process.
observed
significant
performance
enhancements
comparing
unprocessed
dip-coated
including
shiny
finish
previously
surfaces.
Nanomaterials,
Journal Year:
2025,
Volume and Issue:
15(1), P. 70 - 70
Published: Jan. 4, 2025
Phase
contrast
imaging
is
well-suited
for
studying
weakly
scattering
samples.
Its
strength
lies
in
its
ability
to
measure
how
the
phase
of
electron
beam
affected
by
sample,
even
when
other
techniques
yield
low
contrast.
In
this
study,
we
explore
via
simulations
two
techniques:
integrated
center
mass
(iCOM)
and
ptychography,
specifically
using
extended
ptychographical
iterative
engine
(ePIE).
We
simulate
four-dimensional
scanning
transmission
microscopy
(4D-STEM)
datasets
specific
parameters
corresponding
a
microscope
(SEM)
with
an
immersive
objective
given
pixelated
detector.
The
performance
these
analyzed
transfer
function.
Simulated
from
sample
consisting
graphene
sheets
carbon
nanotubes
are
used
iCOM
ePIE
reconstructions
aperture
sizes
doses.
highlight
influence
size,
showing
that
smaller
aperture,
radiation
dose
spent
mostly
on
larger
features,
which
may
aid
sensitive
samples
while
minimizing
damage.
Materials,
Journal Year:
2025,
Volume and Issue:
18(2), P. 384 - 384
Published: Jan. 16, 2025
Cellular
structures
are
increasingly
utilized
in
modern
engineering
due
to
their
exceptional
mechanical
and
physical
properties.
In
this
study,
the
deformation
failure
mechanisms
of
two
energy-efficient
lattice
structures—hexagonal
honeycomb
re-entrant
honeycomb—were
investigated.
These
were
manufactured
using
additive
stereolithography
with
light-curable
Durable
Resin
V2.
The
experimental
testing
topologies
under
perpendicular
loading
directions
employed
3D
Digital
Image
Correlation
(DIC)
system
capture
strain
fields
patterns,
providing
insights
into
structural
behavior
mechanisms.
unit
cells
scaled
up
enable
precise
optical
measurements
while
preserving
interaction
characteristics.
Numerical
simulations,
conducted
SAMP-1
material
model
LS-DYNA
calibrated
tensile
compression
test
data,
accurately
replicated
studied
demonstrated
good
agreement
results.
hexagonal
structure,
loaded
along
axis
2,
showed
best
fit,
deviations
within
5%,
structure
exhibited
weaker
yet
reasonable
agreement.
By
integrating
numerical
approaches,
research
validates
model’s
predictive
capabilities
for
provides
a
framework
analyzing
energy-absorbing
topologies.
Materials,
Journal Year:
2025,
Volume and Issue:
18(2), P. 434 - 434
Published: Jan. 17, 2025
The
global
asphalt
production
growth
rate
exceeded
10%
in
the
past
decade,
and
over
90%
of
world’s
road
surfaces
are
generated
from
materials.
Therefore,
issue
aging
has
been
widely
researched.
In
this
study,
thin
films
under
various
natural
conditions
was
studied
to
prevent
distortion
indoor
simulated
extraction
samples
impacting
aged
asphalt.
styrene–butadiene–styrene
(SBS)-modified
at
four
different
locations
on
an
surface.
characteristics
binders
across
structural
layers
were
revealed
using
Fourier
transform
infrared
spectroscopy
(FTIR),
atomic
force
microscopy
(AFM),
linear
amplitude
scanning
(LAS).
results
indicate
that
behavior
functional
group
surface
differs
other
conditions;
fatigue
life
4
months
equates
16-month
within
dense-graded
After
8
aging,
smoothness
significantly
compromised.
Inside
porous
pavement,
is
more
likely
interact
with
water
molecules
than
inside
dense
pavement
cracks,
variations
roughness
reduction
also
significant.
Coatings,
Journal Year:
2025,
Volume and Issue:
15(2), P. 210 - 210
Published: Feb. 10, 2025
Additive
manufacturing
of
optical,
electrical,
and
mechanical
components
is
a
beneficial
approach
for
the
rapid
prototyping
error
elimination,
with
short
turnaround
times.
However,
additively
manufactured
usually
have
rough
surfaces
that
need
post-processing,
particularly
optical
components,
where
surface
roughness
must
be
small
fraction
wavelength.
We
demonstrate
an
innovative
economical
by
dip-coating
same
resin
used
printing
in
simple
post-processing
step,
providing
high
transparency
to
3D-printed
reducing
while
achieving
perfect
index
matching
coating
layer.
The
drops
5
nm
(arithmetic
average)
after
process.
observed
significant
performance
enhancements
comparing
unprocessed
dip-coated
including
shiny
finish
previously
surfaces.