Zirconia (Y-TZP) Material Specifications
Physical Properties Units Zirconia (Y-TZP)
Chemical Formula   95% Zirconia,
5% yttria
Density g/cm³ 6.01
Color - Ivory
Crystal Structure -  
Water Absorption % 0
Hardness Moh's  
Hardness Knoop
(kg/mm1)
 
Mechanical Properties

Units

Zirconia (Y-TZP)

Compressive Strength psi
MPa
 
Tensile Strength psi
MPa
 
Modulus of Elasticity
(Young's Mod.)
psi x 106
GPa
30
204
Flexural Strength kpsi
MPa
145
1000
Poisson's Ratio - 0.31
Fracture Toughness MPa x m1/2 7
Thermal Properties

Units

Zirconia (Y-TZP)

Max. Use Temperature
(* denotes insert atm.)
°F
°C
4350
2400
Thermal Shock Resistance DT (ºC)  
Thermal Conductivity W/m.K  
Coefficient of Linear
Thermal Expansion
µm/m-°C
(~25°C though +/- 1000°C)
 
Specific Heat cal/g/°C 0.32
Electrical Properties

Units

Zirconia (Y-TZP)

Dielectric Constant 1Mhz @ R.T.  
Dielectric Strength V/mil
kV/mm
 
Electrical Resistivity Wcm @ R.T.  

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