Applied Chemical Engineering,
Journal Year:
2024,
Volume and Issue:
7(4)
Published: Dec. 30, 2024
Additive
manufacturing,
particularly
through
fused
deposition
modeling
(FDM),
has
significantly
advanced
rapid
prototyping
and
customized
production.
However,
traditional
FDM
practices
raise
environmental
concerns
due
to
energy
use
waste
generation.
This
research
explores
integrating
bio-energy
sources
reduction
techniques
within
enhance
sustainable
production
practices.
By
implementing
renewable
optimizing
material
usage,
this
approach
aims
lower
the
carbon
footprint
associated
with
FDM.
Our
study
reviews
state-of-the-art
methods
such
as
biodegradable
polymers,
energy-efficient
hardware,
waste-reducing
design
algorithms.
Experimental
results
demonstrate
that
of
recycled
materials
can
maintain
mechanical
performance
while
enhancing
sustainability.
For
instance,
PLA
achieved
a
tensile
strength
52.4
MPa
an
elongation
at
break
6.1%,
PHA
showed
59.4
5.5%.
Both
high
recovery
rates,
92.7%
90.2%,
indicating
effective
closed-loop
recovery.
These
findings
indicate
substantial
reductions
in
consumption,
promoting
both
industrial
consumer-level
applications.
contributes
field
additive
manufacturing
by
aligning
circular
economy
principles
addressing
global
need
for
reduced
impact.
Discover Sustainability,
Journal Year:
2024,
Volume and Issue:
5(1)
Published: Nov. 26, 2024
This
review
explores
the
integration
of
Circular
Economy
(CE)
principles
in
manufacturing,
focusing
on
its
potential
to
transform
industrial
practices
by
promoting
sustainability,
economic
adaptability,
and
social
welfare.
As
manufacturers
face
depletion
natural
resources
growing
environmental
concerns,
CE
presents
a
regenerative
model
that
prioritizes
resource
efficiency,
waste
reduction,
closed-loop
systems.
The
study
provides
detailed
analysis
current
state
adoption,
outlining
significant
barriers
such
as
economic,
technological,
regulatory
showcase
innovative
strategies
business
models
successfully
apply
circular
principles.
Additionally,
paper
emphasizes
role
supportive
legislative
frameworks,
incentives,
educational
initiatives
accelerating
adoption.
offers
actionable
recommendations
for
industry
stakeholders,
emphasizing
importance
collaboration,
continuous
learning,
robust
monitoring
systems
ensure
smooth
transition.
By
uniting
manufacturers,
policymakers,
consumers
under
shared
principles,
this
advocates
sustainable,
resilient,
prosperous
future
manufacturing
sector.
Green Energy and Environmental Technology,
Journal Year:
2025,
Volume and Issue:
4
Published: Jan. 28, 2025
Additive
manufacturing
(AM),
also
known
as
3D
printing,
has
emerged
a
transformative
technology
in
industrial
production,
offering
unparalleled
flexibility
and
customization
material
sciences.
Central
to
the
advancement
of
sustainable
AM
processes
is
exploration
bio-based
resins
alternative
raw
materials
commercially
available
resin
based
on
epoxides
acrylates
produced
from
petrochemical
sources,
with
lignin
emerging
prominent
candidate.
Lignin,
an
abundant
organic
polymer
derived
plant
biomass,
possesses
inherent
structural
complexity
multifaceted
functionalities,
making
it
attractive
conventional
petroleum-based
resins.
This
review
delves
into
utilization
lignin-based
for
vat
polymerization,
key
technique,
focus
lignin’s
chemical
structure,
extraction
methods,
modification
active
sites.
By
elucidating
recent
advancements
chemistry
sciences,
this
article
highlights
formulation
polymerization
AM,
emphasizing
importance
enhance
properties
printing
performance.
Through
comprehensive
analysis
current
research
trends
future
prospects,
pivotal
role
advancing
offers
insights
potential
avenues
further
field
Polymers,
Journal Year:
2025,
Volume and Issue:
17(7), P. 877 - 877
Published: March 25, 2025
Road
safety
systems
are
critical
engineering
solutions
designed
to
minimize
the
effects
of
traffic
accidents
and
increase
transportation
infrastructures.
Traditional
road
structures
generally
manufactured
using
steel,
concrete
polymer
materials.
However,
manufacturing
processes
with
these
materials
high-cost,
limited
in
terms
design
flexibility
can
lead
material
waste.
In
recent
years,
rapidly
developing
additive
(AM)
technologies
stand
out
as
an
important
alternative
production
systems.
AM
enables
complex
geometries
development
lightweight
high-strength
that
absorb
impact
energy
more
effectively.
This
study
focuses
on
use
methods
systems,
examining
performance
applicability
polymer,
metal
composite
The
advantages
AM-produced
barriers,
signs,
speed
bumps
shock
absorbing
structures,
depending
type,
evaluated.
addition,
offered
by
AM,
such
flexibility,
sustainable
efficiency,
discussed,
technical
challenges
limitations
also
discussed.
review
evaluates
current
potential
applications
for
providing
insights
into
how
this
technology
be
used
effectively
future.
findings
provide
significant
contributions
towards
improving
integration
from
both
academic
industrial
perspectives.
Future
research
further
enhance
innovative
a
particular
focus
use,
optimization
efficiency
processes.
overcoming
large-scale
compliance
regulatory
standards
areas
widespread
adoption
technology.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(17), P. 2422 - 2422
Published: Aug. 27, 2024
This
research
paper
aims
to
enhance
the
fatigue
resistance
of
polylactic
acid
(PLA)
in
Material
Extrusion
(ME)
by
incorporating
natural
reinforcement,
focusing
on
rotational
bending
fatigue.
The
study
investigates
behavior
PLA
ME,
using
various
fibers
such
as
cellulose,
coffee,
and
flax
potential
reinforcements.
It
explores
optimization
printing
parameters
address
challenges
like
warping
shrinkage,
which
can
affect
dimensional
accuracy
performance,
particularly
under
conditions
analyzed.
Cellulose
emerges
most
promising
fiber
reinforcement
for
exhibiting
superior
shrinkage.
also
demonstrates
minimal
geometrical
deviations,
enabling
production
components
with
tighter
tolerances.
Additionally,
highlights
significant
influence
deviations
printed
components.
was
significantly
improved
Specifically,
reinforced
cellulose
showed
an
increase
life,
achieving
up
13.7
MPa
stress
at
70,000
cycles
compared
unreinforced
PLA.
coffee
demonstrated
enhanced
values
reaching
13.6
13.5
MPa,
respectively,
similar
cycle
counts.
These
results
suggest
that
reinforcements
effectively
improve
stability
produced
ME.
contributes
advancement
additive
manufacturing
introducing
a
sustainable
solution
performance
conditions.
offers
insights
into
comparative
effectiveness
synthetic
counterparts,
emphasizing
cellulose.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(23), P. 3292 - 3292
Published: Nov. 26, 2024
The
use
of
polymer
materials
in
various
fields
has
increased
significantly
due
to
their
ease
thermoforming
and
relatively
low
production
costs.
volume
these
is
extremely
high,
according
forecasts
from
global
statistical
centers,
it
expected
continue
rising
the
future.
However,
extensive
easy
availability
polymeric
have
caused
significant
ecological
problems.
world
faces
large
amounts
waste
environmental
pollution.
Plastic
recycling
remains
challenging
issues
related
sorting
separating
types.
Recycling
certain
plastics
requires
only
a
quarter
energy
needed
produce
new
plastic.
To
address
this,
circular
economy
principles
should
be
applied
3D
printing
products
made
materials.
A
particularly
wide
application
technologies
found
when
are
used
cost,
melting
temperatures,
other
advantageous
properties.
This
paper
investigates
impact
plastic
on
quality
3D-printed
products.
During
research,
samples
were
printed
tested
using
both
virgin
recycled
PLA,
ABS,
PET-G
underwent
static
dynamic
tests
determine
mechanical
properties,
such
as
tensile
strength,
elongation,
resistance.
research
results
showed
that
properties
deteriorate,
with
relative
elongation
decreased
by
16–45%.
Despite
can
still
used,
but
necessary
account
for
reduction
plasticity
creating
will
exposed
loads.
strength
reduced
6%
54%
58%
PET-G.
Additionally,
included
technology
UV
irradiation.
indicated
similar
dependences,
exposure
also
affects
material
plasticity.
After
66
Wh/m2
radiation,
PLA
17%,
while
ABS
about
5%.
Metal
additive
manufacturing
(AM),
commonly
referred
to
as
3D
printing
with
metals,
is
an
innovative
technology
significant
potential
transform
industries
such
aerospace,
automotive,
and
healthcare.
Despite
its
promise,
the
field
faces
several
challenges
that
impact
both
technical
feasibility
economic
viability.
This
paper
explores
primary
challenges,
including
material
properties
processing
complexities,
need
for
precise
control
of
thermal
gradients
mitigation
defects
like
porosity
residual
stresses.
Additionally,
it
addresses
barriers,
high
initial
equipment
costs,
specialized
knowledge,
relatively
slow
build
speeds
compared
traditional
methods.
By
examining
these
this
aims
provide
a
comprehensive
overview
current
state
metal
suggest
pathways
overcoming
obstacles
facilitate
wider
adoption
technological
advancement
in
field.
Applied Chemical Engineering,
Journal Year:
2024,
Volume and Issue:
7(3)
Published: Dec. 2, 2024
Such
rapid
advancement
places
FDM
as
a
transformative
technology
in
additive
manufacturing
generally,
and
particularly
into
the
context
of
fabrication
complex
geometries
using
bio-based
polymers.
However,
with
such
inherent
limitations
regarding
their
mechanical
thermal
properties,
these
face
significant
obstacles
that
need
innovative
approaches
toward
improvement.
Surface
functionalization
is
now
considered
one
frontline
strategies
advanced
improvements
interfacial
properties
durability
biobased
polymers
within
applications
represents
opportunities
for
enhancing
material
performance.
This
paper
discusses
recent
advances
surface
methods,
including
plasma
treatment,
grafting,
nanocoatings
applied
to
optimize
PLA,
PHA,
composites
functionality.
These
techniques
tune
at
molecular
level
consequently
strengthen
adhesion,
minimize
moisture
intake,
enhance
stability
improved
longer
operating
time
printed
parts.
Our
findings
indicate
incorporating
process
overcomes
some
challenges
achieves
targets
sustainable
manufacturing.
The
work
underlines
contemporary
methods
shows
both
implications
practical
effects,
thus
opening
path
future
research
industrial
high-performance
eco-friendly
materials.
