Micromachines,
Journal Year:
2024,
Volume and Issue:
15(11), P. 1288 - 1288
Published: Oct. 23, 2024
Multi-material
can
have
functional
properties,
which
are
not
typical
for
the
materials
of
they
composed
(for
instance,
shape-changing
effect).
This
be
used
in
robotics,
micromachines,
aerospace,
and
other
fields.
In
this
work,
316L/FeNi36
multi-material
produced
by
selective
laser
melting
was
investigated.
The
results
show
that
interfacial
zone
exhibits
mixing
regions
two
alloys
but
no
defects.
microstructure
is
constituted
large
grains
with
epitaxial
growth,
propagate
a
directional
manner
from
316L
alloy
through
to
FeNi36
region.
sample
displays
three
different
zones
chemical
composition:
composition
zone;
zone.
size
approximately
50
µm.
presence
distinct
phases:
γ-Fe;
γ-Fe64Ni36;
α-Fe.
hardness
163
HV,
followed
an
200
HV
then,
214
HV.
Functional
tests
demonstrate
effect
directly
correlated
variation
thermal
expansion
coefficient
temperature.
For
achieving
most
pronounced
effect,
temperature
range
25-215
°C
more
suitable.
Deleted Journal,
Journal Year:
2024,
Volume and Issue:
3(4), P. 200158 - 200158
Published: July 14, 2024
China
derives
its
name
from
rich
legacy
of
traditional
ceramic
arts,
which
has
inspired
generations
people
in
and
beyond
to
improve
their
processing
skills.
The
review
categorises
the
various
additive
manufacturing
techniques
developed
into
dot-by-dot,
line-by-line,
area-by-area
techniques,
according
corresponding
dimensional
printing
strategies.
These
are
categorized
ISO
standards,
with
an
overview
representative
achievements
by
Chinese
research
groups
for
each
method.
also
summarizes
compares
materials,
parameters,
product
properties
those
studies,
highlighting
differences
speeds
among
different
In
addition,
milestones
contemporary
four-dimensional
(4D)
illustrated
terms
new
material
(4D
elastomer-derived
ceramics),
process
additive–subtractive
function
shape
memory
ceramics).
Finally,
prospects
applications
discussed.
Materials,
Journal Year:
2025,
Volume and Issue:
18(6), P. 1377 - 1377
Published: March 20, 2025
Additive
manufacturing
is
transforming
modern
industries
by
enabling
the
production
of
lightweight,
complex
structures
while
minimizing
material
waste
and
energy
consumption.
This
review
explores
its
evolution,
covering
historical
developments,
key
technologies,
emerging
trends.
It
highlights
advancements
in
innovations,
including
metals,
polymers,
composites,
ceramics,
tailored
to
enhance
mechanical
properties
expand
functional
applications.
Special
emphasis
given
bioinspired
designs
their
contribution
enhancing
structural
efficiency.
Additionally,
potential
these
techniques
for
sustainable
industrial
scalability
discussed.
The
findings
contribute
a
broader
understanding
Manufacturing’s
impact
on
design
optimization
performance,
offering
insights
into
future
research
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(46), P. 64031 - 64041
Published: Nov. 6, 2024
Shape
memory
polyurethane
(SMPU)
with
excellent
mechanical
properties
holds
significant
application
value
in
engineering.
However,
achieving
high
strength
and
toughness
typically
relies
on
hydrogen
bonding
for
energy
dissipation,
which
limits
the
of
such
PUs
due
to
their
deformation
temperature
being
below
room
temperature.
Here,
we
introduce
a
rigid
long-chain
polyamide
acid
rich
aromatic
structure
as
chain
extender,
combined
metal
coordination,
develop
shape
phase
transition
50
°C
outstanding
performance.
The
presence
segments
polyamic
(PAA)
−COOH
not
only
increases
rigidity
chains
but
also
promotes
formation
bonds
π–π
conjugation,
leading
physical
cross-linking
points
microphase
separation,
resulting
superior
PU-PAA.
dynamic
characteristics
impart
self-healing
solvent
recyclability
coordination
interactions
enhance
points,
enabling
PU-PAA-Eu
exhibit
fixation
recovery
rates,
well
fluorescence
properties.
Additionally,
−COOH,
PU-PAA
demonstrates
remarkable
adhesion
various
metals.
This
work
provides
strategy
toward
development
performance
SMPU
promising
potential
applications
anticounterfeit
coatings.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(20), P. 2925 - 2925
Published: Oct. 18, 2024
Sandwich
composites
are
widely
used
in
engineering
due
to
their
excellent
mechanical
properties.
Accordingly,
the
problem
of
interface
bonding
between
panels
and
core
layers
has
always
been
a
hot
research
topic.
The
emergence
biomimetic
technology
enabled
integration
structure
function
biological
materials
from
living
organisms
or
nature
into
design
sandwich
composites,
greatly
improving
overall
performance
heterogeneous
materials.
In
this
paper,
we
review
most
commonly
structures
fusion
multi-biomimetic
field.
They
analyzed
with
respect
properties,
several
derived
abstraction
plants
animals
highlighted.
Their
structural
advantages
further
discussed
specifically.
Regarding
optimization
different
combinations
multilayer
paper
explores
simulations
contributions
molecular
dynamics,
machine
learning,
other
techniques
for
optimization.
Additionally,
latest
molding
methods
based
on
introduced,
applicable
processes,
as
well
disadvantages,
briefly
analyzed.
Our
results
can
help
improve
properties
promote
application
engineering.
