Composite Interfaces,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 77
Published: Oct. 22, 2024
This
article
extensively
explores
various
bio-inspired
techniques
of
interfacial
strengthening.
Bio-inspired
composites
fabricated
by
emulating
five
natural
materials:
nacre,
byssus
thread,
plant
roots,
bone,
and
spider
silk
have
been
discussed.
A
detailed
account
the
strengthening
mechanisms
active
in
these
materials
responsible
for
improving
fiber/matrix
adhesion
artificial
is
presented.
Dendritic
growth
on
fiber
surfaces
crucial
enhancing
mechanical
properties
via
interlocking
root-inspired
composites.
Micro-waviness,
nano-asperity
interlocking,
shear
deformation,
mineral
bridge
fracture
are
main
nacre-inspired
Byssal
threads
exceptional
adhesive
due
to
sacrificial
bonds,
hidden
length,
strong
metal
coordination
cross-links.
The
typical
'Bouligand'
microstructure
bone
has
inspired
different
composite
with
excellent
crack
deflection
arresting.
Spider
fibers
a
highly
oriented
proteinous
structure
surrounded
semi-amorphous
matrix.
Their
skin-core
provides
tensile
strength
toughness
fibers,
inspiring
additive
manufacturing
chemical
modification
as
implementation
Applications
include
biomedical,
marine,
aerospace,
tissue
engineering.
Challenges,
such
optimal
properties,
sustainability,
simulation,
integration
Industry
5.0,
must
be
addressed
systematically
augment
their
applicability.
Proceedings of the Institution of Mechanical Engineers Part E Journal of Process Mechanical Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 13, 2024
Coir
fiber
crystallinity
is
crucial
since
it
widens
the
range
of
possible
uses
for
natural
fiber.
To
increase
coir
fiber,
study
describes
an
easy-to-use,
simple-to-implement
method
that
cost-effective,
eco-friendly,
and
highly
productive.
With
help
dodecyl
methacrylate
disperson,
hydrocarbon
molecules
varying
chain
lengths
are
covalently
attached
to
surface
fibers,
modulating
their
wettability.
There
a
few
different
long-chain
compounds
employed,
including
n-butyl
methacrylate,
n-octyl
acrylate,
(DM),
but
DM
has
shown
be
most
effective.
The
degree
grafting
yield
alteration
determined
gravimetrically.
It
been
found
yields
28–30
wt.%
can
used
convert
hydrophilic
fibers
into
water
repellent
crystalline
(water
contact
angle
148°).
A
total
15
nm
dispersion,
disperson
rate
2
nm/min,
concentration
20%,
content
10%
fixed
as
key
reaction
parameters.
Thermal
mechanical
analyses
show
no
significant
changes
in
structure
during
alteration.
wettability
well
supported
by
morphology
pure
modified
which
seen
using
scanning
electron
microscopy.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(7), P. 1583 - 1583
Published: April 2, 2025
In
this
study,
poly(lactic
acid)
biocomposites
were
prepared
from
sugarcane
bagasse
(SB)
via
extrusion
and
injection
molding.
The
effects
of
the
content
inorganic
salt
modification
SB
on
properties
investigated.
results
showed
that
incorporation
reduced
biocomposites’
mechanical
strength
modulus
as
well
thermal
stability
but
increased
their
crystallinity,
hydrophobicity,
water
absorption
compared
with
neat
PLA.
Among
all
biocomposites,
sample
containing
30
wt
%
SB(SB-30/PLA)
had
best
comprehensive
performances,
tensile
strength,
modulus,
flexural
crystallinity
values
31.78
MPa,
219.49
53.25
16.8%,
respectively.
After
Na2SO4
MgSO4,
interfacial
adhesion
led
to
a
considerable
improvement
in
reinforcement
increases
impact
SB-30/PLA;
furthermore,
biocomposite
became
more
thermally
stable
hydrophobic
contained
much
less
water.
conclusion,
SB-30/PLA,
especially
after
MgSO4
modification,
is
an
ideal
degradable
for
applications
packaging,
decoration,
other
areas.
