Yttria Stabilized Ultra-Precision ZrO2 Ceramic Components

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Yttria Stabilized Ultra-Precision ZrO2 Ceramic Components

Yttria Stabilized Ultra-Precision Technical Zirconium Oxide ZrO2 Ceramic Parts

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Yttria Stabilized Ultra-Precision ZrO2 Ceramic Components

The main features of zirconia ceramic parts
1.High density:  over 6 g/cm3, which makes it the densest body of the ceramic products
2.High hardness: over 9 on Mohs scale, diamond being 10, with a satin-smooth surface finish
3.High toughness: over 1200 MPa, approx. 4 times in comparison with 95% alumina
4. Excellent wear resistance, it’s much better than aluminum oxide ceramics with a longer life cycle
5. Low thermal conductivity:  less than 3 W/m.k at ambient temperature, so it’s an ideal thermal material
6. Good chemical and corrosion resistance, it’s equivalent to above 99% alumina

Yttria Stabilized Ultra-Precision ZrO2 Ceramic Components 
The specification of ceramic parts

Material optionZirconia (ZrO2),  Alumina(Al2O3), Silicon carbide(SiO2), Silicon nitride(Si3N4)
Forming methodsDry pressed, Ceramic injection molding, Hot pressed, ISO pressed
SpecificationOD can be from 1 to 50mm, length can be from 10mm to 800mm
Precision processingCNC machining, Precision grinding, Polishing, Lapping,
ToleranceThe tolerance of OD and ID can be 0.001mm,  the tolerance of length can be 0.001mm
Key parametersRoughness to be 0.02mm, Parallelism to be 0.001mm
Surface qualityFree of cracks, foreign contamination, mirror surface better than Ra0.1


The description of zirconia ceramic parts
Zirconia ceramic parts are made of zirconium oxide ceramics which is a kind of strongest technical ceramic material with exceptional strength, high toughness, and superb reliability. These outstanding characteristics result in excellent resistance to wear and corrosion.

We have been offering a selection of partially stabilized zirconia, including Y-TZP( yttria-stabilized), MSZ ( magnesia stabilized ), CSZ- (ceria stabilized). Each stabilized zirconia provides unique and specific properties that meet the demands of extreme applications found in many industries.

With our production capability through CNC, precision grinding machines,  we are able to provide many different levels of precision zirconia ceramic parts to meet customers’ high precision assembly needs.

Yttria Stabilized Ultra-Precision ZrO2 Ceramic Components

Datasheet of Technical ceramics

PropertyUnitsMaterial
99.5%
alumina		99%
alumina		95%
alumina		ZrO2
(Y-TZP)

ZrO2
(TTZ)

Densityg/cm3≥3.85≥3.80≥3.60≥5.95≥5.72
Water absorption%00000
HardnessHV1700170015001300900
Flexural strengthMpa≥379≥338≥320≥1200≥1200
Compressive strengthMpa≥2240≥2240≥2000≥19901750
Fracture toughnessMpa m1/24-54-53-46.5-811
Max. service
temperature		ºC1675160014501000
CTE1×10 -6 /ºC6.5~8.06.2~8.05.0~8.08.0~9.510.2
Thermal shockT(ºC)≥250≥200≥220≥300350
Thermal conductivity(25ºC)W/m.k30292433
Volume resistivityohm.cm
25ºC>1 x 10 14>1 x 10 14>1 x 10 14>1 x 10 11>1 x 10 11
300ºC1 x 10 128 x 10 1110 12 -10 131 x 10 101 x 10 10
500ºC5 x 10 102 x 10 91 x 10 91 x 10 61 x 10 6
Insulation strengthKV/mm1918181720
Dielectric constant(1Mhz)(E)9.79.59.52928

 

 

 

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