Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Dec. 28, 2024
This
study
explores
the
impact
of
metallic
shells
by
electroforming
method
on
mechanical
behavior
thermoplastic
polyurethane
(TPU)-based
lattice
structures.
First,
TPU
structures
were
printed
additive
manufacturing
technique.
Then
layers
Ni
and
Cu
as
a
thin
shell
dressed
in
baths
solutions.
Finally,
uniaxial
compression
tests
achieved
samples.
Results
demonstrated
substantial
enhancements
performance
attributable
to
these
coatings.
Notably,
Ni-coated
structure
(Ni-LS)
exhibited
peak
yield
strength
4.55
MPa,
marking
1.08-fold
improvement
over
Ni-Cu-LS
1.35-fold
increase
relative
Ni-Cu-Ni-LS
variant.
Furthermore,
energy
absorption
density
coated
was
elevated
nearly
sixfold
compared
uncoated
lattice,
with
multi-layer
coatings
providing
additional
gains.
These
results
underscore
potential
Cu-coated
lattices
deliver
exceptional
strength-to-weight
ratios
enhanced
capabilities.
