Journal of Natural Fibers,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Dec. 28, 2024
This
study
focuses
on
optimizing
drilling
parameters
to
minimize
delamination,
circularity
error,
and
cylindricity
in
natural
fiber
composites
through
a
comprehensive
full
factorial
Design
of
Experiments
(DoE)
combined
with
Grey
Relational
Analysis
(GRA).
The
novelty
this
work
lies
its
systematic
integration
these
methods
evaluate
the
effects
spindle
speed,
feed
rate,
drill
type
(HSS,
HSS-Co,
Solid
Carbide)
hole
quality,
providing
robust
framework
for
multi-response
optimization.
Results
reveal
that
rate
is
most
significant
factor,
optimal
conditions
–
lower
rates
(0.04
mm/rev)
moderate
speeds
(1592
rpm)
delivering
reduced
delamination
improved
quality.
Among
tested
drills,
Carbide
demonstrated
superior
performance
lowest
errors.
highlights
potential
parameter
optimization
advance
eco-friendly
composite
manufacturing
enhance
precision.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 29, 2025
Abstract
Fiber-reinforced
polymer
composites
are
subjected
to
harsh
environmental
conditions
over
the
course
of
their
designed
lifespan.
Studying
aging
process
fiber-reinforced
exposed
boiling
water
is
critical
for
improving
durability.
This
study
uses
a
hand
lay-up
technique
fabricate
from
glass
fiber,
bamboo
nanoclay,
and
epoxy.
Tensile
flexural
tests
conducted
following
ASTM
standards.
The
%
uptake
water-soaked
specimens
measured,
performance
dry
compared
with
those
composites.
results
show
that
water-soaking
have
an
adverse
impact
on
all
Boiling
epoxy
samples
reduction
in
tensile
properties
by
25
30%
18
22%
under
processes
1
2
soaking,
respectively,
ones.
Meanwhile,
composites,
decrease
19
27%,
decline
12
20%
respectively.
However,
incorporating
nanoclay
enhances
5
7%
10
12%,
absorption
rate
composite
strength
addition
nanoclay.
Additionally,
reduces
percentage
17
26%
11
18%
SEM
analysis
fracture
surfaces
reveals
causes
specimen
failure
load,
distinct
differences
between
specimens.
Proceedings of the Institution of Mechanical Engineers Part E Journal of Process Mechanical Engineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 13, 2025
This
study
investigated
the
potential
of
Basalt–Jute
hybrid
composite
as
a
reinforcement
material
in
erosive
wear-prone
applications.
It
examines
solid
particles’
effect
on
erosion
wear
behavior
new
natural
fiber
made
with
basalt
and
jute.
The
was
prepared
different
stacking
sequences
using
hand
layup
technique.
Erosion
conducted
an
air
jet
test
per
ASTM
G76
standards,
four
impact
angles
(30°,
45°,
60°,
90°)
three
velocities
(48
m/s,
70
82
m/s).
Results
show
that
maximum
rates
observed
at
48
m/s
are
2.63
×
10
−4
gm/gm
7.22
x10
gm/gm,
respectively,
45
o
angle
for
BJBJ
composite,
while
60
it
11
gm/gm.
sequences—JBBJ
JBJB
prove
to
be
better
options
high-erosive
environments.
results
demonstrated
exhibited
lowest
rate
1.11
all
composites,
showing
sequence
rate.
occurred
most
composites
angle.
However,
this
trend
shifted
towards
higher
velocity
m/s.
These
observations
largely
semi-ductile
feeble
semi-brittle
nature
chosen
composites.
showed
could
candidate
applications
range
–60
lower
–90
velocities.
Tekstilna industrija,
Journal Year:
2025,
Volume and Issue:
73(1), P. 4 - 25
Published: Jan. 1, 2025
Hemp
(Cannabis
sativa
L.)
has
historically
played
a
significant
role
in
textile
and
industrial
applications.
However,
its
production
declined
due
to
regulatory
constraints
competition
from
other
fibers.
In
recent
years,
hemp
re-emerged
as
sustainable
alternative
rapid
growth,
minimal
water
chemical
requirements,
exceptional
durability.
This
study
provides
comprehensive
analysis
of
cultivation,
fiber
properties,
expanding
industries
such
textiles,
construction,
biocomposites.
Additionally,
life
cycle
assessment
(LCA)
is
conducted
evaluate
hemp's
environmental
impact
comparison
conventional
materials
like
cotton
synthetic
The
findings
highlight
potential
promote
practices
reduce
the
ecological
footprint
various
industries.
Caderno Pedagógico,
Journal Year:
2025,
Volume and Issue:
22(6), P. e15575 - e15575
Published: April 15, 2025
A
literature
review
about
polymer
composites
with
natural
fibers
as
dispersed
phase
reveals
how
widely
these
multiphase
materials
have
been
studied
in
the
last
years
due
to
many
advantages.
In
context
of
renewable
energy
industry
use
eco-friendly
their
components
ensure
an
even
more
competitive
and
greener
production,
this
research
aims
evaluate
potential
applying
epoxy
medium
high
volume
fractions
ramie
woven
fabric
horizontal
axis
wind
turbine
towers.
To
support
study,
experimentally
determined
bending
tensile
properties
referred
biocomposites
were
used
some
linear
structural
approaches
analyzed.
end,
it
was
obtained
a
given
mechanical
utilization
reinforced
considering
preliminary
analysis
developed.
