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CeramTec DN 70 Dispersion Ceramic, Al2O3-ZrO2

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 DN 70 Dispersion Ceramic, Al2O3-ZrO2.pdf
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Material Notes:
DN 70 is a ZTA Alumina Toughened Zirconia.
Physical Properties Metric English Comments
Density 4.01 g/cc
0.145 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 10
10
DINV ENV 843-5
Mechanical Properties Metric English Comments
Vickers Microhardness 1700
1700
HV1; DINV ENV 843-4
Tensile Modulus 360 GPa
52200 ksi
Young's; DINV ENV 843-2
Flexural Strength 450 MPa
65300 psi
DIN EN 843-1
Compressive Strength 2700 MPa
392000 psi
DIN 51067T1
Poissons Ratio 0.23
0.23
DINV ENV 843-2
Fracture Toughness 4.40 MPa-m½
4.00 ksi-in½
K<sub>IC</sub> (SEVNB); DIN CEN/TS 14425-1
Shear Modulus 146 GPa
21200 ksi
Calculated
Thermal Properties Metric English Comments
CTE, linear 7.00 µm/m-°C

@Temperature 20.0 - 400 °C
3.89 µin/in-°F

@Temperature 68.0 - 752 °F
DIN EN 821-1
9.00 µm/m-°C

@Temperature 20.0 - 1000 °C
5.00 µin/in-°F

@Temperature 68.0 - 1830 °F
DIN EN 821-1
Specific Heat Capacity 0.800 J/g-°C
0.191 BTU/lb-°F
DINV ENV 821-3
Thermal Conductivity 15.0 W/m-K
104 BTU-in/hr-ft²-°F
DIN EN 821-2
Maximum Service Temperature, Air 1500 °C
2730 °F
Maximum Service Temperature, Inert 1500 °C
2730 °F
Electrical Properties Metric English Comments
Volume Resistivity 500000 ohm-cm

@Temperature 400 °C
500000 ohm-cm

@Temperature 752 °F
IEC 672-1
1.00e+14 ohm-cm

@Temperature 20.0 °C
1.00e+14 ohm-cm

@Temperature 68.0 °F
IEC 672-1
Dielectric Constant 10

@Frequency 1.00e+6 Hz
10

@Frequency 1.00e+6 Hz
IEC 672-1
Dielectric Strength 16.0 kV/mm
406 kV/in
IEC 672-1
Dielectric Loss Index 0.0040

@Frequency 9.00e+9 Hz
0.0040

@Frequency 9.00e+9 Hz
IEC 672-1
Descriptive Properties Value Comments
Ra = Arithmetic Mean Roughness Value (µm) <0.15
Thermal Shock Resistance R1 (K) 134
calculated; R1 = [s? (1-µ)] / (a·E)
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