Cleaner Engineering and Technology,
Journal Year:
2024,
Volume and Issue:
20, P. 100745 - 100745
Published: April 4, 2024
The
pursuit
of
sustainable
and
eco-friendly
materials
has
fuelled
research
into
enhancing
composite
using
bio
fillers
derived
from
renewable
sources.
This
study
investigates
the
incorporation
filler
-
biochar
produced
cashew
nut
shell,
in
hemp
fibre
to
achieve
a
balance
between
performance
environmental
sustainability.
Hemp
composites
were
fabricated
with
four
different
weight
percentages
such
as
5,
10,
15,
20
wt%.
showed
enhanced
mechanical
strength
water
resistance
when
compared
without
biochar.
containing
10
wt%
added
maximum
tensile,
impact,
hardness,
ca.
94%,
38%,
7%
increase
biochar,
respectively.
highest
flexural
(ca.
71
MPa)
was
observed
at
addition
15
integration
improved
filler-matrix
interaction
by
adhesion,
creating
effective
stress
transfer
within
vinyl
ester
matrix,
thereby
reinforcing
composite's
structural
integrity.
In
absorption
test,
acted
barrier
molecules
reduced
32–63%.
These
findings
highlight
potential
biochar-based
advancing
field
materials,
providing
more
nuanced
understanding
their
applications
addressing
both
concerns
waste
accumulation.
SAE technical papers on CD-ROM/SAE technical paper series,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 23, 2024
<div
class="section
abstract"><div
class="htmlview
paragraph">With
the
evolving
demand
in
automobile
industry
for
lightweight
and
sustainable
components,
study
of
natural
fiber
composites
has
gained
significance.
Such
fibers
are
economically
efficient
offer
advantageous
weight-specific
properties.
Additionally,
they
non-abrasive
environmentally
degradable,
marking
them
as
viable
alternatives
to
conventional
materials.
This
research
emphasizes
flax-based
composite,
developed
using
hand
lay-up
method
augmented
with
three
distinct
graphene
nanofillers.
The
fillers
categorized
large
nanorods
(dimensions
3-5
nm,
lengths
150-300
nm),
small
nano
threads
6-12
under
50
spherical
particulates
29-39
nm).
Reinforcement
was
consistently
maintained
at
2%,
4%,
6%
by
weight.
results
indicate
that
a
4
wt.%
inclusion
nanoparticles
is
particularly
effective
enhancing
ultimate
tensile
strength
fracture
elongation
epoxy
matrix,
registering
improvements
10%
29%
respectively.
Reinforcements
all
variants
noted
an
augmentation
quasi-static
toughness
composites.
Interestingly,
6
infusion
rod
boosted
conductivity
matrix
52%.
Thermal
evaluations
integrated
different
configurations,
recorded
enhancements
ranging
from
0.22
W/mK
0.286
2
concentration.
At
elevated
addition,
rod-shaped
demonstrated
impressive
59.6%
enhancement
over
flax/epoxy
baseline,
while
larger
showcased
22.14%
enhancement.
underscores
potential
graphene-augmented
promising
materials
parts.</div></div>
