Yttria-stabilized Zirconia Ceramic Properties

Yttria-stabilized Zirconia Ceramic Properties
Item	Unit	Typical Values
Physical Properties
Color		Customized
Density	g/cm3	6.00
Zirconia Content	%	94.4
Gas Permeability		0
Water Absorption		0
Crystal Size	um	0.5
Mechanical Properties
Moh’s hardness	Grade	8.2
Rockwell Hardness(45N)	HRA	78
Vickers Hardness (Load 500g)	Gpa(Kg/mm2)	11.5（1175）
Flexural Strength （20°C）	Mpa	800
Compressive Strength (20°C)	Mpa	2000
Modulus of Elasticity (20°C)	Gpa	＞200
Fracture Toughness (20°C)	Mpam1/2	9
Thermal Properties
Thermal Conductivity (20°C-400°C)	W/m.K	2.5
Thermal Expansion Coefficient	10-6/°C	9.6
Thermal Shock Resistance	△T°C	250
Electronic Properties
Dielectric Constant	Er	30