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Ensinger PEI

3M Techical Ceramics Titanium Diboride
Categories: Ceramic; Boride

Material Notes:

Information provided by 3M Technical Ceramics, formerly ESK Ceramics.

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Physical PropertiesMetricEnglishComments
Density >= 4.50 g/cc>= 0.163 lb/in³DIN EN 623-2
Porosity <= 1.5 %<= 1.5 %DIN EN 623-2
Weibull Modulus 1616[m]; DIN EN 843-5
 
Mechanical PropertiesMetricEnglishComments
Hardness, Knoop 25.6
@Pressure 100 MPa
25.6
@Pressure 14500 psi
DIN EN 843-4
Tensile Modulus 575 GPa83400 ksiYoung's; DIN EN 843-2
Flexural Strength 500 MPa72500 psiDIN EN 843-1
Poissons Ratio 0.110.11
Fracture Toughness 8.00 MPa-m½7.28 ksi-in½SENB
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000200 ohm-cm0.0000200 ohm-cm
 
Thermal PropertiesMetricEnglishComments
CTE, linear  6.70 µm/m-°C
@Temperature 20.0 - 500 °C
3.72 µin/in-°F
@Temperature 68.0 - 932 °F
DIN EN 821-1
 8.20 µm/m-°C
@Temperature 500 - 1000 °C
4.56 µin/in-°F
@Temperature 932 - 1830 °F
DIN EN 821-1
Thermal Conductivity 54.0 W/m-K
@Temperature 50.0 °C
375 BTU-in/hr-ft²-°F
@Temperature 122 °F
DIN EN 821-2

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