Frontiers in Mechanical Engineering,
Journal Year:
2023,
Volume and Issue:
9
Published: July 18, 2023
Bonding
synthetic
fibres
to
metals
improve
strength,
durability,
and
corrosion
resistance
is
a
prevalent
practise
in
the
automotive,
marine,
aerospace
industries.
Lap
shear
adhesion,
measurement
of
bonding
strength
between
composites
metallic
substrates,
essential
for
structural
integrity.
The
emergence
natural
fibre
as
sustainable
alternatives
makes
it
investigate
their
lap
behaviour
effect
volume
fraction
on
composite
properties.
This
research
investigates
adhesion
coir
glass
epoxy
mild
steel.
Coir
fibres,
which
are
known
resilience
tenacity,
were
treated
with
an
alkaline
solution
resin.
Samples
prepared
accordance
ASTM
specifications,
tests
conducted
using
tensile
machine.
Increasing
or
decreased
bond
demonstrated
by
results.
Due
fibres’
greater
rigidity,
exhibited
superior
strength.
However,
under
loading
conditions,
steel
surfaces.
SEM
micrographs
confirmed
that
exhibit
failure
while
pull-out
behaviour.
study
concludes
highlighting
engineering
potential
considering
properties
cost-effectiveness.
It
necessary
further
optimise
fiber-matrix
interface
comprehend
mechanical
order
maximise
effectiveness.
To
assure
long-term
durability
composite-metal
joints,
surface
preparation,
adhesive
type,
application
procedure,
environmental
conditions
must
also
be
considered.
At
content
percentage
10%,
100%
higher
compared
composites.
Conversely,
at
10%
approximately
75%
than
values
obtained
40%
fibres.
mechanisms
observed
delamination
fracture
area
loading.
reduces
Factors
such
limited
space
matrix,
tension
concentrations,
contribute
weakened
bonds.
Glass
have
better
rigidity
affecting
load
transfer
adhesion.
Interfacial
crucial,
maintaining
becomes
more
difficult
fractions,
resulting
Polymers,
Journal Year:
2023,
Volume and Issue:
15(9), P. 2148 - 2148
Published: April 30, 2023
The
study
was
used
in
the
context
of
realigning
novel
low-cost
materials
for
their
better
and
improved
optical
properties.
Emphasis
placed
on
bio-nanocomposite
approach
producing
cellulose/starch/silver
nanoparticle
films.
These
polymeric
films
were
produced
using
solution
casting
technique
followed
by
thermal
evaporation
process.
structural
model
bio-composite
(CS:CL-CNC7:3-50%)
developed
from
our
previous
study.
Subsequently,
order
to
improve
properties
films,
bio-nanocomposites
prepared
incorporating
silver
nanoparticles
(AgNPs)
ex
situ
at
various
concentrations
(5-50%
w/w).
Characterization
conducted
UV-Visible
(UV-Vis),
Fourier
Transform
Infrared
(FTIR),
Scanning
Electron
Microscope
(SEM)
Transmission
(TEM)
understand
structure-property
relationships.
FTIR
analysis
indicated
a
reduction
number
waves
associated
with
OH
functional
groups
adding
AgNPs
due
formation
new
hydrogen
bonds
between
matrix
CL-WE-AgNPs.
Based
mathematical
equations,
bandgap
energy,
energy
Urbach,
edge
absorption
(Ed),
carbon
clusters
(N)
estimated
CS:CL-CNC
CS:CL-CNC-AgNPs
(5-50%)
nanocomposite
Furthermore,
values
shifted
lower
photon
3.12
2.58
eV
increasing
content,
which
indicates
semi-conductor
effect
composite
system.
decrease
Urbach's
is
result
disorder
biopolymer
and/or
attributed
an
increase
crystalline
size.
In
addition,
cluster
increased
121.56
177.75,
respectively,
50%
AgNPs.
This
presence
strong
H-binding
interaction
molecules.
results
revealed
that
incorporation
20%
into
CS:CL-CNC7:3-50%
film
could
be
best
candidate
composition
all
It
can
potential
applications
area
food
packaging
as
well
successfully
opto-electronic
devices.
Materials Testing,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 11, 2025
Abstract
In
this
study
novel
natural
fibers
were
extracted
from
Rumex
obtusifolius
L.
Extracted
dried
for
further
analysis.
The
chemical
composition
was
analyzed,
revealing
the
following
fiber
contents:
cellulose
at
63.52
±
1.51
%,
hemicellulose
27.15
0.72
and
lignin
9.35
0.57
%.
Thermal
behavior
of
investigated
by
using
thermogravimetric
derivative
analyses
(TG
DTG)
it
found
that
thermally
stable
up
to
237.55
°C
(T
onset
)
maximum
degradation
temperature
max
determined
as
354.67
°C.
Fiber
diameter
varied
in
range
226–539
µm
density
measured
1.12
0.74
g
cm
−3
.
crystalline
structure
examined
through
X-ray
diffraction
(XRD)
analysis,
crystallinity
index
(CI)
crystallite
size
(CS)
based
on
corresponding
patterns.
CI
CS
values
69.81
%
3.08
nm,
respectively.
mechanical
properties
evaluated
a
single
tensile
testing
method.
strength,
elastic
modulus,
strain
break
192.81
43.33
MPa,
14.56
3.27
GPa,
1.45
0.43
Result
showed
R.
are
suitable
composite
applications
reinforcement
material.
Advances in chemical and materials engineering book series,
Journal Year:
2024,
Volume and Issue:
unknown, P. 245 - 273
Published: Feb. 8, 2024
Although
bio-based
nanocomposite
materials
have
various
packaging
options,
the
future
is
still
evolving.
At
this
point,
multifunctional
intelligent
will
replace
simple
traditional
packaging.
As
use
of
synthetic
plastics
decreases,
so
does
demand
for
biodegradable
materials.
Because
its
potential
to
alleviate
environmental
issues
associated
with
conventional
materials,
nanocoating
food
has
seen
a
significant
increase
in
interest
recent
years.
This
innovative
technology
offers
several
perspectives
and
benefits,
including
improved
safety,
extended
shelf
life,
reduced
waste,
enhanced
sustainability.
The
objectives
chapter
are
highlight
latest
advancements
research
field
revolutionize
industry
as
well
advanced
development
teams
about
benefits
applications
Chemical Physics Impact,
Journal Year:
2024,
Volume and Issue:
8, P. 100533 - 100533
Published: Feb. 11, 2024
Organic
semiconductors
with
wide
bandgaps
have
potential
applications
in
organic
light-emitting
diode
displays,
photovoltaic
devices,
field-effect
transistors
and
solar
cells.
However,
are
not
good
conductors
of
electricity.
This
study
synthesizes
the
banana-graphene
nanofibrous
membrane
using
an
electric
spin
process
to
form
a
tunable
bandgap
enhance
conductivity.
The
chemical
was
followed
prepare
liquid
viscous
from
banana
stalks.
Different
percentages
graphene
(1.2
wt.%,
2.4
wt.%
3.6
wt.%)
were
used
sizeable
composites
conductivity
materials.
results
showed
5.67%,
24.5%,
27.8%
lower
for
1.2
2.4.%,
graphene-contained
samples,
respectively,
as
compared
polyvinyl
alcohol
(PVA)
fibre
(3.35
eV).
With
addition
PVA
fibre,
properties
electrospun
changed
insulator
semiconductor.
band
gap
property
controlled
by
incorporating
various
percentages.
morphology
surfaces
that
nanofibers
bonded
each
other,
nanoparticles
uniformly
distributed.
this
work
can
be
considered
further
progress
manufacturing
nanocomposites
semiconductor
applications.
