This technical information has been contributed by
Ferro-Ceramic Grinding, Inc.

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Ceramic Properties - Zirconia (TZP)

Zirconia ceramic parts have a martensite-type transformation mechanism of stress induction, giving the ability to absorb great amounts of stress relative to other ceramic materials. It exhibits the highest mechanical strength and toughness at room temperature. Zirconia has excellent wear, chemical and corrosion resistance and low thermal conductivity.

Common applications include extrusion dies, wire and pipe extension, guide and other wear rollers, pressure valves, and bearing materials.

PropertiesUnitsTestValue
Physical
Chemical FormulaZrO2
Density, rg/cm3ASTM C206.04
Colorwhite
Crystal Structuretetragonal
Water Absorption% @R.T.ASTM C3730.0
HardnessMoh's6.5
Hardnessknoop (kg/mm2)Knoop 100g1600
Mechanical
Compressive StrengthMPa @ R.T.ASTM C7732500
Tensile StrengthMPa @ R.T.ACMA Test #4248
Modulus of Elasticity
(Young's Mod.)
GPaASTM C848207
Flexural Strength (MOR)MPa @ R.T.ASTM F417900
Poisson's Ratio, uASTM C8180.32
Fracture Toughness, KIcMPa x m1/2Notched Beam Test13.0
Thermal
Max. Use Temperature
(* denotes inert atm.)
CNo load cond.500
Thermal Shock ResistanceDT (C)Quenching280 - 360
Thermal ConductivityW/m-K @ R.T.ASTM C4082.7
Coefficient of Linear Thermal Expansion, almm/m-C (~25C through 1000C)ASTM C37211.0
Specific Heat, cpcal/g-C @ R.T.ASTM C3510.10
Electrical
Dielectric Constant1MHz @ R.T.ASTM D15026 @100kHz
Dielectric StrengthkV/mmASTM D1169.0
Electrical ResistivityWcm @ R.T.ASTM D1829>1013

This technical information has been contributed by
Ferro-Ceramic Grinding, Inc.

Click here to find suppliers

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