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Ceramic Shafts, Bearing


Picture12

Any size is available on request
Physical character of Creamic products

Parameters
Al2O3 99% Al2O3 96% ZrO2
Density g/cm3 3.85 3.65 5.80
Hardness(HRA) HRA 90 85 82
Fluxural Strength MPa 350 300 1000
Max.use Temperature 1700 1500 I 100
Coeff. of Thermal exp. X 10-6/ 8.2 7.5 10.5
Dielectric Constant r20, 1MHz 9.2 9.0 --
Dielectric Loss tan* 10-4,1MHz 2 3 --
Volume Resistivity cm20 1015 1014 --
Dielectric Strength KV/mm,DC 20 20 --
Acid Resistance mg/cm2 0.7 7.0 1.0
Alkali Resistance mg/cm2 0.1 0.2 0.1
Wearability g/cm2 0.1 0.2 0.1
Compressive Strength MPa 2800 2500 2100
Tenile Strength MPa 240 160 400
Elastic Modulus(Young) GPa 350 300 200
Poisson's Ratio 0.22 0.20 0.31
Thermal Condustivity W/m0K(20 ) 25 20 2



 
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