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Elmet Technologies

3M Techical Ceramics MYCROSINT® CD Boron Nitride
Categories: Ceramic; Carbide

Material Notes:

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

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Physical PropertiesMetricEnglishComments
Density >= 1.97 g/cc>= 0.0712 lb/in³Anisotropic, Perpendicular; DIN EN 623-2
 >= 1.97 g/cc>= 0.0712 lb/in³Anisotropic, Parallel; DIN EN 623-2
Porosity <= 12 %<= 12 %Anisotropic, Perpendicular; DIN EN 623-2
 <= 12 %<= 12 %Anisotropic, Parallel; DIN EN 623-2
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 1313Anisotropic, Perpendicular; DIN EN ISO 6506-1
 1313Anisotropic, Parallel; DIN EN ISO 6506-1
Tensile Modulus 25.0 GPa3630 ksiYoung's, Anisotropic, Parallel; DIN EN 843-2
 30.0 GPa4350 ksiYoung's, Anisotropic, Perpendicular; DIN EN 843-2
Flexural Strength 35.0 MPa5080 psiAnisotropic, Parallel; DIN EN 843-1
 40.0 MPa5800 psiAnisotropic, Perpendicular; DIN EN 843-1
Compressive Strength 50.0 MPa7250 psiAnisotropic, Perpendicular; AAW/AC-R-302-03
 55.0 MPa7980 psiAnisotropic, Parallel; AAW/AC-R-302-03
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity >= 1.00e+12 ohm-cm>= 1.00e+12 ohm-cmAnisotropic, Perpendicular
 >= 1.00e+12 ohm-cm>= 1.00e+12 ohm-cmAnisotropic, Parallel
 
Thermal PropertiesMetricEnglishComments
CTE, linear  -1.00 µm/m-°C
@Temperature 20.0 - 500 °C
-0.556 µin/in-°F
@Temperature 68.0 - 932 °F
Anisotropic, Perpendicular; DIN EN 821-1
 -1.00 µm/m-°C
@Temperature 20.0 - 500 °C
-0.556 µin/in-°F
@Temperature 68.0 - 932 °F
Anisotropic, Parallel; DIN EN 821-1
 1.50 µm/m-°C
@Temperature 500 - 1000 °C
0.833 µin/in-°F
@Temperature 932 - 1830 °F
Anisotropic, Perpendicular; DIN EN 821-1
 2.00 µm/m-°C
@Temperature 500 - 1000 °C
1.11 µin/in-°F
@Temperature 932 - 1830 °F
Anisotropic, Parallel; DIN EN 821-1
 3.00 µm/m-°C
@Temperature 1000 - 1500 °C
1.67 µin/in-°F
@Temperature 1830 - 2730 °F
Anisotropic, Perpendicular; DIN EN 821-1
 4.00 µm/m-°C
@Temperature 1000 - 1500 °C
2.22 µin/in-°F
@Temperature 1830 - 2730 °F
Anisotropic, Parallel; DIN EN 821-1
Specific Heat Capacity 0.580 J/g-°C0.139 BTU/lb-°FAnisotropic, Perpendicular
 0.580 J/g-°C0.139 BTU/lb-°FAnisotropic, Parallel
Thermal Conductivity 35.0 W/m-K243 BTU-in/hr-ft²-°FAnisotropic, Perpendicular
 35.0 W/m-K243 BTU-in/hr-ft²-°FAnisotropic, Parallel
Maximum Service Temperature, Air 1100 °C2010 °FOxidizing, Anisotropic, Perpendicular
 1100 °C2010 °FOxidizing, Anisotropic, Parallel
Maximum Service Temperature, Inert 1500 °C2730 °FAnisotropic, Perpendicular
 1500 °C2730 °FAnisotropic, Parallel

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