NOVYE OGNEUPORY (NEW REFRACTORIES),
Год журнала:
2024,
Номер
4, С. 22 - 28
Опубликована: Дек. 3, 2024
Ceramic
materials
based
on
TiB
2
and
stabilized
ZrO
were
obtained
by
self-propagating
high-temperature
synthesis
(SHS).
The
stabilization
of
the
phases
was
carried
out
introducing
Y
O
3
into
initial
mixture.
effect
content
combustion
characteristics
studied
materials,
as
well
phase
composition
products
in
range
concentrations
from
0
to
6,2
wt.
%,
studied.
Gorenje.
To
study
shear
deformation
process
free
SHS
compression,
compact
plates
with
dimensions
50×50×7
mm
compositions.
It
has
been
established
that
a
result
under
conditions
without
pressure
application,
reaction
have
different
resulting
are
composite
consisting
matrix
particles
distributed
it.
Crystals,
Год журнала:
2025,
Номер
15(1), С. 89 - 89
Опубликована: Янв. 17, 2025
The
primary
grain
size,
sintering
conditions,
and
admixtures
have
a
significant
impact
on
the
growth
of
alumina
ceramics.
Three
kinds
powders
with
varying
sizes
zirconia
nanoparticles
were
selected
configured
into
five
compositions
zirconia-toughened
(ZTA)
As-received
granules
used
to
sinter
bulk
ceramics
at
temperatures
1520
°C,
1600
1680
°C
for
durations
0.5–2
h,
respectively.
average
in
ZTA
studied
as
function
temperature,
time,
particle
size
raw
materials.
results
demonstrated
that
addition
nano
led
slight
reduction
more
uniform
distribution.
incorporation
(15
wt.%)
resulted
concentration
among
grains,
effectively
inhibiting
resulting
from
11.73
5.63
μm
after
1
h.
Materials,
Год журнала:
2025,
Номер
18(11), С. 2605 - 2605
Опубликована: Июнь 3, 2025
Zirconia
ceramics
(ZrO2)
have
received
significant
attention
due
to
their
excellent
mechanical
properties
and
broad
application
prospects.
Additive
manufacturing,
especially
nanoparticle
jetting
(NPJ),
offers
a
new
approach
for
fabricating
zirconia
with
complex
geometries.
However,
the
sintering
process
plays
crucial
role
in
determining
final
of
these
ceramics,
effect
temperature
on
NPJ
printed
remains
be
fully
understood.
This
study
investigates
impact
fabricated
via
NPJ.
NPJ-printed
ZrO2
green
bodies
were
sintered
at
varying
temperatures,
phase
composition,
microstructure,
flexural
strength
analyzed.
Results
show
that
as
rises
from
800
°C
1450
°C,
relative
density
increases
55.0%
98.3%,
9.3
MPa
356.1
MPa.
The
body
consists
monoclinic
(m-ZrO2)
tetragonal
(t-ZrO2)
phases,
m-ZrO2
completely
transforming
into
t-ZrO2
1000
°C.
Grain
size
also
temperature.
improvement
zirconia’s
is
primarily
attributed
combination
grain
porosity.
research
provides
guidance
optimizing
ceramics.
