Smart and Sustainable Built Environment,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 21, 2025
Purpose
Three-dimensional
(3D)
printing
(3DP),
which
builds
objects
layer
by
layer,
has
gained
traction
in
the
construction
industry
for
its
potential
to
reduce
time,
cost
and
waste
while
boosting
productivity.
The
circular
economy
(CE)
model,
an
alternative
traditional
linear
economy,
focuses
on
minimising
resource
use
promoting
disassembly,
material
reuse
recycling.
By
incorporating
CE
strategies,
3DP
can
manage
more
effectively,
enhancing
sustainability.
However,
there
is
a
dearth
of
literature
this
convergence.
Hence,
study
explores
convergence
with
improve
sustainability
projects.
Design/methodology/approach
This
employs
qualitative
research
approach
survey
strategy,
extensive
review
establish
foundation
domain.
Data
collection
was
conducted
using
Delphi
technique,
involved
three
iterative
rounds
semi-structured
interviews
experts.
empirical
data
collected
from
expert
were
analysed
manual
content
analysis.
Findings
findings
reveal
12
positive
6
negative
impacts
sustainability,
10
applicable
strategies.
Further,
how
integrate
strategies
identified
their
level
influence.
Key
such
as
designing
out
waste,
waste-free
production/waste
management
BIM-based
highly
influential
across
pillars.
Originality/value
makes
significant
theoretical
contribution
being
one
few
studies
integrating
3DP,
within
sector.
It
examines
key
pillars
proposes
mitigate
those
impacts.
addressing
convergence,
fills
notable
gap
existing
body
offering
practical
insights
into
thereby
development
sustainable
built
environment.
Engineering Reports,
Год журнала:
2025,
Номер
7(4)
Опубликована: Апрель 1, 2025
ABSTRACT
Plastic
pollution
has
emerged
as
a
significant
global
issue,
highlighting
the
need
for
sustainable
alternatives
and
effective
recycling
methods.
Concurrently,
cactus
plant
offers
promising
source
of
bio‐based
materials,
particularly
due
to
its
resilience
in
harsh
environments.
This
study
focused
on
performance
characterization
powder
mixed
with
recycled
high‐density
polyethylene
(rHDPE)
pellets
filament
production
suitable
3D
printing
using
Fused
Filament
Fabrication
method.
The
physical
properties
both
rHDPE
were
investigated,
composite
filaments
prepared
from
5%,
10%,
15%
alongside
rHDPE.
Performance
evaluation
was
conducted
Universal
Testing
Machine.
Additionally,
chemical
composition
analyzed,
particle
size
distribution
determined.
combination
HDPE
yielded
viable
filament,
though
increasing
proportions
reduced
extrusion
properties.
tensile
strength
pure
measured
at
16.27
MPa,
while
strengths
5%
10%
composites
14.97
10.74
respectively.
For
printed
specimens,
recorded
13.04
MPa
8.28
composite.
flexural
results
showed
21.77
15.64
These
findings
suggest
that
can
serve
valuable
additive
developing
materials.
Abstract
Polycarbonate
(PC)
is
a
valuable
engineering
polymer
with
numerous
technical
characteristics
like
desirable
mechanical
properties,
high
heat
resistance,
chemical
optical
clarity,
and
electrical
insulation
capabilities.
Therefore,
it
finds
extensive
use
in
aerospace,
automotive,
consumer
goods,
optics,
medical
devices,
electronics.
Materials
extrusion
additive
manufacturing
offers
several
advantages,
such
as
customized
geometry,
minimal
material
waste,
cost‐effectiveness,
ease
of
modification.
Accordingly,
PC
has
recently
emerged
robust
durable
material.
This
review
aims
to
investigate
how
printing
parameters
materials
affect
the
properties
PC‐based
materials,
specific
emphasis
on
properties.
The
main
drawbacks
associated
pure
filaments,
print
temperatures,
warping
tendencies,
propensity
retract
during
printing,
are
also
discussed.
Considering
significant
demand
for
developing
blends
composites
tailored
application
material‐extrusion
manufacturing,
influence
different
types
fillers,
including
polymeric,
metallic,
ceramic,
improving
behavior
then
reviewed.
paper
explores
diverse
applications
additively
manufactured
parts,
especially
within
advanced
areas
engineering,
medicine.
Lastly,
prospects
challenges
presented
review.
Highlights
key
3D
printing.
Printing
quality
strength
polycarbonate
parts.
Various
fillers
adjust
polycarbonate‐based
composites'
High
warping,
retraction
major
challenges.
3D‐printed
can
be
used
variety
applications.
