POLYMER SEARCH

CeramTec ZN 40 Zirconia, ZrO2-MgO

Category	Ceramic , Oxide , Zirconium Oxide
Manufacturer	CeramTec North America
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	CeramTec ZN 40 Zirconia, ZrO2-MgO.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

ZN 40 is a zirconium oxide ceramic with an excellent surface finish and a higher strength than aluminum oxide. Its good crack resistance and anti-friction properties, combined with steel-like thermal expansion attributes, make this material an ideal partner for bearing composites working at elevated temperatures.

Physical Properties	Metric	English	Comments
Density	5.74 g/cc	0.207 lb/in³	DIN EN 623-2
Water Absorption	0.00 %	0.00 %	Open Porosity; DIN EN 623-2
Permeability	0.00	0.00	%, Gas
Weibull Modulus	25	25	DINV ENV 843-5

Mechanical Properties	Metric	English	Comments
Vickers Microhardness	1240	1240	HV1; DINV ENV 843-4
Tensile Strength at Break	500 MPa	72500 psi	ACMA Test #4 / DIN EN 843-1
Tensile Modulus	210 GPa	30500 ksi	Young's; DINV ENV 843-2
Flexural Strength	500 MPa	72500 psi	DIN EN 843-1
Compressive Strength	1600 MPa	232000 psi	DIN 51067T1
Poissons Ratio	0.30	0.30	DINV ENV 843-2
Fracture Toughness	8.10 MPa-m½	7.37 ksi-in½	K<sub>IC</sub> (SEVNB); DIN CEN/TS 14425-1
Shear Modulus	80.8 GPa	11700 ksi	Calculated

Thermal Properties	Metric	English	Comments
CTE, linear	10.2 µm/m-°C @Temperature 20.0 - 400 °C	5.67 µin/in-°F @Temperature 68.0 - 752 °F	DIN EN 821-1
	11.0 µm/m-°C @Temperature 20.0 - 1000 °C	6.11 µin/in-°F @Temperature 68.0 - 1830 °F	DIN EN 821-1
Specific Heat Capacity	0.400 J/g-°C	0.0956 BTU/lb-°F	DINV ENV 821-3
Thermal Conductivity	3.00 W/m-K	20.8 BTU-in/hr-ft²-°F	DIN EN 821-2
Maximum Service Temperature, Air	850 °C	1560 °F
Maximum Service Temperature, Inert	850 °C	1560 °F

Electrical Properties	Metric	English	Comments
Volume Resistivity	500000 ohm-cm @Temperature 400 °C	500000 ohm-cm @Temperature 752 °F	IEC 672-1
	5.00e+13 ohm-cm @Temperature 20.0 °C	5.00e+13 ohm-cm @Temperature 68.0 °F	IEC 672-1
Dielectric Constant	27 @Frequency 1.00e+6 Hz	27 @Frequency 1.00e+6 Hz	IEC 672-1
Dielectric Strength	19.0 kV/mm	483 kV/in	IEC 672-1
Dielectric Loss Index	0.020 @Frequency 9.00e+9 Hz	0.020 @Frequency 9.00e+9 Hz	IEC 672-1

Descriptive Properties	Value	Comments
Ra = Arithmetic Mean Roughness Value (µm)	<0.06
Thermal Shock Resistance R1 (K)	163	calculated; R1 = [s? (1-µ)] / (a·E)

Users viewing this material also viewed the following: