Materials,
Journal Year:
2025,
Volume and Issue:
18(1), P. 185 - 185
Published: Jan. 4, 2025
This
work
investigated
the
mechanical
and
catalytic
degradation
properties
of
FeMnCoCr-based
high-entropy
alloys
(HEAs)
with
diverse
compositions
porous
structures
fabricated
via
selective
laser
melting
(SLM)
additive
manufacturing
for
wastewater
treatment
applications.
The
effects
Mn
content
(0,
30
at%,
50
at%)
topological
(gyroid,
diamond,
sea
urchin-inspired
shell)
on
compression
efficiency
Fe80-xMnxCo10Cr10
HEAs
were
discussed.
results
indicated
that
an
increase
in
led
to
a
phase
structure
transition
optimized
activities.
Among
designed
structures,
gyroid
HEA
exhibited
highest
compressive
yield
strength,
reaching
197
MPa.
Additionally,
Fe30Mn50Co10Cr10
exceptional
performance
experiments
by
effectively
degrading
simulated
pollutants
significantly
enhanced
rate
22.3%
compared
other
compositions.
catalyst
SLM
demonstrated
high
stability
over
multiple
cycles.
These
findings
reveal
have
significant
potential
organic
pollutants,
providing
valuable
insights
future
design
development
efficient
sustainable
treatment.
ACS ES&T Water,
Journal Year:
2024,
Volume and Issue:
4(4), P. 1883 - 1893
Published: April 2, 2024
The
photocatalytic
degradation
of
organic
compounds
is
seen
as
a
pivotal
water
treatment
technology.
While
3D
printing
has
been
proven
to
directly
produce
reactors,
research
in
this
area,
especially
utilizing
mass-production-capable
vat
photopolymerization
(VP)-based
printing,
remains
its
early
stages.
This
study
aimed
prepare
high-solid
content
slurries
(up
50
wt
%)
using
the
common
TiO2
nanoparticle
(P25)
photocatalyst
rapidly
print
reactors
with
high
photodegradation
efficiency.
3D-printed
made
by
prepared
slurry,
successfully
demonstrated
complete
100%
synthetic
dyes
(methylene
blue,
safranin
O,
and
brilliant
green).
Moreover,
triply
periodic
minimal
surface
(TPMS)
structures
were
printed.
Diamond
structural
(D-type)
design
showed
reaction
rate
constant
0.0127
min–1,
which
2.4
times
higher
than
that
Fischer-Koch
S
(F-type)
at
0.005
underscoring
significant
impact
reactor
on
Finally,
showcased
potential
for
direct
manufacturing
through
batch
production
via
whole
build-plate
printing.
Achieving
high-speed
fabrication,
process
was
completed
within
120
min
19.2
cm
10.8
build
platform,
accommodating
10
each
1.3
diameter
2
height.
Materials,
Journal Year:
2025,
Volume and Issue:
18(1), P. 185 - 185
Published: Jan. 4, 2025
This
work
investigated
the
mechanical
and
catalytic
degradation
properties
of
FeMnCoCr-based
high-entropy
alloys
(HEAs)
with
diverse
compositions
porous
structures
fabricated
via
selective
laser
melting
(SLM)
additive
manufacturing
for
wastewater
treatment
applications.
The
effects
Mn
content
(0,
30
at%,
50
at%)
topological
(gyroid,
diamond,
sea
urchin-inspired
shell)
on
compression
efficiency
Fe80-xMnxCo10Cr10
HEAs
were
discussed.
results
indicated
that
an
increase
in
led
to
a
phase
structure
transition
optimized
activities.
Among
designed
structures,
gyroid
HEA
exhibited
highest
compressive
yield
strength,
reaching
197
MPa.
Additionally,
Fe30Mn50Co10Cr10
exceptional
performance
experiments
by
effectively
degrading
simulated
pollutants
significantly
enhanced
rate
22.3%
compared
other
compositions.
catalyst
SLM
demonstrated
high
stability
over
multiple
cycles.
These
findings
reveal
have
significant
potential
organic
pollutants,
providing
valuable
insights
future
design
development
efficient
sustainable
treatment.
