CERAMIC SPHERES0 pages
CERAMIC SPHERES
Material Aluminiun oxid Zirconium oxid Silicone nitride
Color
Chemical Composition
Purety%
Apparent Porosity (%)
Density g/cm3
Flexual Strength (MPa) at 20 °C
at 1000 °C
Compressive Strength (MPa)at 20 °C
Hardness, Vickers (kg/mm2)
Coefficient of linear Thermal Expansion (10-6/°C)
Thermal Conductivity (cal/cm s °C)
Thermal Shock Resistance A T (°C)
Modulus of Elasticity (Gla)
Kic MPaVm
Average Crystal size in microns
White White Black
Af203 Zr02,Y203 st3N4
99
< 1 0
3,85 6,05 3,22
350 1200 1000
250
2500 4000 3800
1800 1100 1600
8,1 9,2 3,4
0,07 0,004 0.03
200 360 650
400 200 310
1-3 4-9 4-7
1-3 1-2 1-2
Except type A99, listed ceramic spheres are made to order, involving an eventual tooling charge and minimum order quantity.
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