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Yttria Stabilized Zirconia

Yttria Stabilized Zirconia

Linear Formula: Y2O3 • ZrO2

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Features

Linear Formula:

Y2O3 • ZrO2

Material:

Yttria Stabilized Zirconia

Appearance:

Powder, granules, or solid in various forms

Yttria Stabilized Zirconia Description

Yttria stabilized zirconia (YSZ / YTZ), also known as yttria zirconia, yttria stabilized zirconium oxide, is the strongest ceramic material SSC supply. YSZ is a purely tetragonal phase, fine grain material. This material offers the highest flexural strength of all zirconia-based materials.

SSC produces YSZ powder by self-propagating hydrolysis process. Based on different content of Y2O3, we can produce different YSZ powder. Normal products are 3 mol% YSZ powder-based, divided into compacted powder and non-compacted powder depending on the customers' requirements. The physical properties could meet customers' different requirements for dry pressing, isostatic pressing, injection, casting, injection molding, and slip casting and so on.

Yttria stabilized zirconia is available both partially and fully stabilized. Partially stabilized zirconia (PSZ) is a mixture of zirconia polymorphs, because insufficient cubic phase-forming oxide (stabilizer) has been added and a cubic plus metastable tetragonal ZrO2 mixture is obtained. The most common and widely used PSZ is 3 mol% of yttria stabilized zirconia. It contains 3 mol% yttria (Y2O3), 5.2±0.2 % in weight.

Our composition range for YSZ includes 3%, 5% and 8% molar yttria. The highest oxygen ion conductivity occurs with approximately 10 mol% Y2O3 addition.

Yttria Stabilized Zirconia Powder Specifications

Product Name

Purity

Other Properties

Lot Size

Yttria (3 mol%) Stabilized Zirconia

Zr(Hf)O2 94.5%;
Y2O3: 5.2 ± 0.2 %

D50 = 0.5-0.8 µm;
Specific Surface Area < 15 m2/gm

100 kg
1,000 kg

Yttria (3 mol%) Stabilized Zirconia

Zr(Hf)O2 94.5%;
Y2O3: 5.2 ± 0.2 %

D50 < 1.0 µm;
Specific Surface Area <10 m 2/gm

100 kg
1,000 kg

Yttria (5 mol%) Stabilized Zirconia

Zr(Hf)O2 91%;
Y2O3: 8.5 ± 0.2 %

D50= 0.5-1 µm; Specific Surface Area < 10 m 2/gm.
Best for tape casting, slip casting and injection molding techniques.

100 kg
1,000 kg

Yttria (8 mol%) Fully Stabilized Zirconia

Zr(Hf)O2 85.5%;
Y2O3: 13.5 ± 0.2 %

D50 = 0.5 - 1.0 µm; Specific Surface Area > 15 m2/gm.
Best for pressing techniques.

100 kg
1,000 kg

Yttria (8 mol%) Fully Stabilized Zirconia

Zr(Hf)O2 85.5%;
Y2O3: 13.5 ± 0.2 %

D50 = 0.5 - 1.0 µm; Specific Surface Area < 10 m2/gm.
Best for tape casting, slip casting and injection molding techniques.

100 kg
1,000 kg

Our Yttria Stabilized Zirconia Products

● Zirconia Mortar & Pestle

● Zirconia Plate

● Zirconia Crucible

● Zirconia Cutting Blade

● Zirconia Tube

● Zirconia Plunger

● Zirconia Pot/Jar

● Zirconia Ring

● Zirconia Rod

● Zirconia Ball Valve

● Zirconia Grinding Media

Dimensions of Our Zirconia Ceramic Products

Product Name

Description

Zirconia (YSZ) Grinding Media

Material: 94.6%ZrO2 + 5.25%Y2O3
YSZ Ball Diameter: 0.3mm to 55 mm
Yttria Stabilized Zirconia (YSZ) Ceramic Cylinders
5.5mm dia x 5.5 length, 7 dia x 7 L mm
7.5mm dia x 7.5mm L, 10mm dia x 10mm L
12.7mm dia x 12.7mm L, 15mm D x 15mm L
Others: Customized

Yttria Stabilized Zirconia Jar with Lid

Material: 94.7%ZrO2 + 5.2%Y2O3
Capacity: 50mL, 100mL, 250mL, 500mL, 1000mL, etc.
Others: Customized

Zirconia Mortar and Pestle

Zirconia Mortar 60 x 50 x 20 w/h Pestle
Zirconia Mortar 80 x 65 x 30 w/ Pestle
Zirconia Mortar100x 80 x 37 w/ Pestle
Others: Customized

Zirconia (YSZ ) Tube

0.375" OD x 0.25" ID x 8" L
2" OD x 1.75" ID x 24" L
2" OD x 1.75" ID x 36" L
Others: Customized

Zirconia Crucible (ZrO2 Crucible)

Approx. Capacity: 2~300 mL
OD: 9~80 mm
Height: 15~80 mm
Wall thickness: 1.5~3.5 mm
Others: Customized

Others (Plate, Cutting Blade, Plunger, Ring, Rod, Ball Valve, etc.)

Customized

Specification of Yttria (3 mol%) Stabilized Zirconia

Composition

wt%

94.5%ZrO2, 5.2 ± 0.2 %Y2O3

Specific density

g/cm3

≥5.95

Hardness(HV)

GPa

>12

Thermal expansion coefficient(20～400℃)

X10-6/k

11

Elastic modulus

GPa

205

Fracture toughness

MPa·m1/2

>9

Bending strength

MPa

>1150

Grain size

μm

<0.5

Thermal conductivity

w/(m·k)

3

Water absorption:

%

<0.05

Firing temperature:

°C

1550

Compression strength:

MPa

25000

Breaking tenacity:

Mpa•m1/2

6-8

Hot expansion coefficient:


9.5x10-6 /°C

Features of Yttria Stabilized Zirconia (YSZ) Products

● Super hardness

● High density

● High bending strength and breaking tenacity

● Low thermal conductivity (20% that of alumina)

● Good chemical stability

● Resistance to molten metals

● High wear-resisting

● High fracture toughness

● Good corrosion resistance

● High temperature tolerance

● Good insulation

● High mechanical strength

● Good polishing surface

● Precision tolerance

Yttria Stabilized Zirconia Applications and Related Industries

● Structural ceramics

● Plasma coating

● Tooth crowns

● Jet engines

● Thermal barrier coating in gas turbines

● Electroceramic

● Replacing metals

● Insulating rings in thermal processes

● Precision shafts and axles in high wear environments

● Wear resistance pads

● Thermocouple protection tubes

● Sandblasting nozzles

● Refractory material

● Extrusion dies

● Bushings and caps

● Fiber optic ferrules and sleeves

● Knives and blades

● Fuel cell parts

● Bearings & rollers

● Welding nozzles & pins

● Laser parts

● Gas igniters

● Electric insulator

● Ceramic guiders

● Oxygen sensors

● Medical and surgical component

● Mechanical seals

● Additive Manufacturing

● 3D Printing

● Dentistry

● Fuel Cells Oxides

● Rare Earths

● Refractory Ceramics

● Research & Laboratory


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