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CeramTec V 38 Alumina, 96.0% Al2O3-SiO2

Category Ceramic , Oxide , Aluminum 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 V 38 Alumina, 96.0% Al2O3-SiO2.pdf
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Material Notes:
Aluminas exhibit good mechanical properties such as hardness, compressive and tensile strength, and elastic modulus. They perform well at elevated temperatures.
Physical Properties Metric English Comments
Density 3.75 g/cc
0.135 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 13
13
DINV ENV 843-5
Mechanical Properties Metric English Comments
Vickers Microhardness 1620
1620
HV1; DINV ENV 843-4
Tensile Modulus 350 GPa
50800 ksi
Young's; DINV ENV 843-2
Flexural Strength 310 MPa
45000 psi
DIN EN 843-1
Compressive Strength 2500 MPa
363000 psi
DIN 51067T1
Poissons Ratio 0.23
0.23
DINV ENV 843-2
Fracture Toughness 4.00 MPa-m½
3.64 ksi-in½
K<sub>IC</sub> (SEVNB); DIN CEN/TS 14425-1
Shear Modulus 142 GPa
20600 ksi
Calculated
Thermal Properties Metric English Comments
CTE, linear 7.60 µm/m-°C

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

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

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

@Temperature 68.0 - 1830 °F
DIN EN 821-1
Specific Heat Capacity 0.900 J/g-°C
0.215 BTU/lb-°F
DINV ENV 821-3
Thermal Conductivity 20.0 W/m-K
139 BTU-in/hr-ft²-°F
DIN EN 821-2
Maximum Service Temperature, Air 1200 °C
2190 °F
Maximum Service Temperature, Inert 1200 °C
2190 °F
Component Elements Properties Metric English Comments
Al2O3 96 %
96 %
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+8 ohm-cm

@Temperature 400 °C
1.00e+8 ohm-cm

@Temperature 752 °F
IEC 672-1
1.00e+15 ohm-cm

@Temperature 20.0 °C
1.00e+15 ohm-cm

@Temperature 68.0 °F
IEC 672-1
Dielectric Constant 8.0

@Frequency 1.00e+6 Hz
8.0

@Frequency 1.00e+6 Hz
IEC 672-1
Dielectric Strength 17.0 kV/mm
432 kV/in
IEC 672-1
Dielectric Loss Index 0.0050

@Frequency 9.00e+9 Hz
0.0050

@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) 96
calculated; R1 = [s? (1-µ)] / (a·E)
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