Materials Research Express,
Journal Year:
2023,
Volume and Issue:
10(9), P. 095307 - 095307
Published: Aug. 18, 2023
Abstract
Additive
manufacturing
(AM)
technology
has
gained
significant
popularity,
among
which
Fused
Deposition
Modeling
(FDM)
emerged
as
the
predominant
technique
for
3D
printing.
FDM
offers
unique
ability
to
achieve
desired
and
tailored
engineering
properties
required
specific
applications.
This
experimental
study
investigates
influence
of
varying
process
parameters
on
mechanical
highlights
optimal
set
better
tensile
strength
a
bi-layered
composite
PLA-ABS
(polylactic
acid
acrylonitrile
butadiene
styrene).
Also,
it
most-to-least
influential
printing
parameters.
Four
were
played
out
i.e.,
Infill
density
(50%,
75%,
100%),
number
layers
(20,25
30),
speed
(20
mm
sec
−1
,
40
60
),
bed
temperature
(90
°C,
95
100
°C),
while
keeping
other
constant.
Taguchi
optimization
was
used
experiments
designed
according
orthogonal
array
L9
(3
4).
After
printing,
samples
evaluated
results
analyzed.
It
is
found
that
infill
most
parameter
least
influential.
30
per
part,
20
°C
are
strength.
Alongside,
percent
elongation,
time,
strength-to-weight
ratio
also
analyzed
correlated.
Intelligent and sustainable manufacturing,
Journal Year:
2024,
Volume and Issue:
1(1), P. 10004 - 10004
Published: Jan. 1, 2024
Providing
rapid,
efficient,
inexpensive,
and
resilient
solutions
is
an
eminent
urgent
need
for
emergency
relief
conditions,
mainly
increasingly
driven
by
the
impacts
of
climate
change.
Under
such
disastrous
circumstances,
current
practice
involves
preparation,
dispatching
managing
significant
amounts
materials,
resources,
manpower,
transportation
basic
needs,
which
can
be
hindered
remarkably
infrastructure
damage
massive
loss
lives.
However,
emerging
technology
known
as
3D
printing
(3DP)
play
a
role
rapidly
bring
unlimited
innovative
in
conditions
with
much
lesser
resources
to
meet
necessities
large
populations
affected.
Considering
recent
progress
3DP
applications
different
industrial
consumer
sectors,
this
study
aims
provide
analysis
status
various
fields
understand
present
its
potential
readiness
response
disasters,
Secondly,
also
presents
sustainability
assessment
cases
evaluate
economic,
environmental,
social
impacts.
Finally,
policies
strategies
are
suggested
adapt
sectors
prepare
large-scale
emergencies.
Journal of Engineering Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 1, 2024
Additive
Manufacturing
(AM)
techniques
add
material
layer-by-layer
to
fabricate
parts
or
products,
compared
subtractive
manufacturing
processes,
where
the
is
removed
obtain
final
product.
The
most
common
method
among
AM
fused
filament
fabrication
(FFF),
which
uses
print
objects
into
end
products.
present
study's
aims
include
of
a
custom
FFF-based
3D
printer
and
investigating
effects
three
process
parameters
on
tensile
properties
3D-printed
samples.
Initially,
was
successfully
fabricated.
This
Marlin
Firmware
2.0
as
programming
code
control
different
functionalities
printing
processes.
After
construction
calibration,
few
samples
successfully.
Moreover,
design
experiments
plan
formulated
specimens
based
levels
parameters.
Tensile
testing
performed,
analysis
variance
(ANOVA)
confirmed
that
significantly
affected
properties.
were
then
analyzed,
along
with
defect
formation
microstructure
analysis.
Finally,
optimum
for
PLA
better
figured
out
constructed
printer.
Journal of Engineering Research,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Dec. 1, 2023
Among
additive
manufacturing
(AM)
techniques,
fused
deposition
modelling
(FDM)
is
one
of
the
extensively
used
techniques
which
add
materials
layer-by-layer
to
make
three-dimensional
parts,
unlike
subtractive
involves
removal
materials.
It
widely
in
field
orthotics
build
customized
products
with
less
material
waste
and
time.
This
study
focuses
on
a
detailed
investigation
designing
FDM-built
wrist
hand
orthosis
using
nylon
material.
Patients
carpal
tunnel
syndrome,
condition
caused
by
compression
median
nerve
wrist,
employ
these
aids
alleviate
their
symptoms.
First
3D
scanning
was
performed
collect
required
data.
Which
then
further
modeled
refined
CAD
software's.
Topology
optimization
reduce
weight
orthosis.
Static
analysis
final
design
evaluate
performance
Von
Mises
stress,
displacement
factor
safety.
The
results
showed
that
found
be
suitable
for
At
50
N
forces
maximum
Stress
developed
are
15
MPa
lower
than
its
yield
strength
i.e.
42.22
MPa.
produced
also
smaller
0.102
mm,
while
minimum
safety
2.82.
A
syndrome
patient
participated
case
Quebec
User
Evaluation
Satisfaction
Assistive
Technology
(QUEST)
questionnaire
assess
satisfaction
3D-printed
Results
relatively
good
highlighted
orthosis's
positive
impact
design,
lightweight
nature,
ease
use.
Cleaner Environmental Systems,
Journal Year:
2023,
Volume and Issue:
12, P. 100159 - 100159
Published: Dec. 17, 2023
Life
cycle
assessment
(LCA)
is
a
powerful
tool
to
evaluate
the
environmental
impacts
of
any
domestic
or
industrial
activity
consuming
goods
and
services.
There
has
been
an
increasing
interest
in
recycling
polymers
polymer
composites
for
circular
economy
sustainability;
however,
widespread
use
should
be
avoided
upfront,
especially
research
development.
LCA
performed
impact
two
characterization
approaches
(numerical
modeling
experimentation)
used
additively
manufactured
composites.
The
current
study
was
conducted
using
GaBi
software,
per
International
Organization
Standardization
(ISO)
14040
14044
guidelines.
Five
different
impacts,
namely
global
warming
potential
(GWP),
acidification
(AP),
eutrophication
(EP),
ozone
layer
depletion
(ODP),
fossil
fuel
(FFD),
were
evaluated
compared
numerical
experimental
approaches.
Electrical
energy
during
filament
fabrication,
3DP
process,
mechanical
testing
identified
as
hotspot
(GWP,
AP,
EP,
FFD)
design.
However,
materials
consumed
contributed
considerably
ODP.
Results
concluded
that
approach
could
significantly
reduce
caused
due
extensive
resource
utilization
experiments.
can
help
promote
sustainability
these
tools
adequately
predict
response
3D-printed
structures;
therefore,
they
explored
improved
further.
Progress in Additive Manufacturing,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 24, 2024
Abstract
Additive
manufacturing
by
material
extrusion
offers
innovative
potential
for
component
design
and
is
driving
advances
in
many
industries.
However,
fully
harnessing
these
advancements
necessitates
a
thorough
comprehension
of
the
process-specific
anisotropic
structural
properties.
The
complex
interactions
between
process
parameters
their
direct
influence
on
properties
often
lead
to
discrepancies
mechanical
tested
specimens
at
coupon
level
inherent
additively
manufactured
components.
In
addition,
there
no
standardized
method
preparing
that
represent
within
given
component.
This
further
complicates
comparison
measured
different
series
measurements
investigation
effects
may
occur
during
production
Given
challenges,
present
work
addresses
fundamental
question
what
aspects
need
be
considered
ensure
test
reflect
conditions
being
tested.
studies
look
requirements
producing
representative
methodology
characterize
structures.
tests
are
carried
out
were
produced
directly
using
cut
from
plates.
Water
jet
cutting,
milling,
laser
cutting
investigated
compared
as
methods.
specimen
geometry
size
plate
considered.
orientation-dependent
properties,
significance
individual
tests,
measurement
scatter,
scanning
electron
micrographs
edges
fracture
surfaces
analyzed.
Finally,
guidelines
performing
components
proposed.
