Impact of Infill Strategy and Process Parameters on Selectivity and Performance of PLA Structures Obtained by 3D Printing
Abstract
In
recent
years,
fused
deposition
manufacturing
(FDM)
techniques
have
been
seen
as
the
processes
of
future.
One
main
challenges
is
to
identify
optimal
parameterization
3D
printing
process
in
terms
quality,
productivity,
and
service
durability
resulting
structures.
Hardness
little
studied
literature
dedicated
PLA
structures,
despite
its
importance
mechanical
strength
wear
resistance.
The
correlations
between
hardness
structures
parameters
for
adjusting
are
almost
unstudied
scientific
literature.
contrast,
this
work
evaluates
impact
FDM
on
microhardness
characteristics
(Top/Bottom)
using
Design
Experiment
(DOE)
tools.
input
factors
such
filling
strategy,
extrusion
temperature
layer
number
behavior
polylactic
acid
(PLA)
was
discussed
justified.
Response
surface
optimization
(RSM)
methodology
ANOVA
analyses
were
used
establish
a
decision
support
strategy
selection
processes.
As
result,
surfaces
samples
(1
cm3)
measured
different
combinations
factors.
fact,
coupling
physical
(structural
homogeneity)
(microhardness)
allowed
us
performance
index
maximize
while
minimizing
structural
heterogeneity.
Optimal
identified
analysis
multi-objective
materials
originality
lies
RSM
with
expected
homogeneity
performances.
approach
revealed
conditions:
A
ZIGZAG
230°C
4-layer
construction
thickness
0.2
mm.
These
control
result
Research Square (Research Square), Год журнала: 2024, Номер unknown
Опубликована: Авг. 16, 2024
Язык: Английский
