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CeramTec B 40 Alumina, 99.1%

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 B 40 Alumina, 99.1%.pdf
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Material Notes:
B 40 is the ideal sliding mate with the same properties as Rubalit® A 1896. It contains a larger share of Al2O3 for superior chemical stability.
Physical Properties Metric English Comments
Density 3.82 g/cc
0.138 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 8.0
8.0
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 300 MPa
43500 psi
DIN EN 843-1
Compressive Strength 2000 MPa
290000 psi
DIN 51067T1
Poissons Ratio 0.23
0.23
DINV ENV 843-2
Fracture Toughness 4.20 MPa-m½
3.82 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 7.20 µm/m-°C

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

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

@Temperature 20.0 - 1000 °C
4.83 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 28.0 W/m-K
194 BTU-in/hr-ft²-°F
DIN EN 821-2
Maximum Service Temperature, Air 1400 °C
2550 °F
Maximum Service Temperature, Inert 1400 °C
2550 °F
Component Elements Properties Metric English Comments
Al2O3 99.1 %
99.1 %
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+10 ohm-cm

@Temperature 400 °C
1.00e+10 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 9.0

@Frequency 1.00e+7 Hz
9.0

@Frequency 1.00e+7 Hz
IEC 672-1
Dielectric Strength 20.0 kV/mm
508 kV/in
IEC 672-1
Dielectric Loss Index 6000

@Frequency 9.00e+9 Hz
6000

@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) 150
calculated; R1 = [s? (1-µ)] / (a·E)
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