3M Techical Ceramics Ekasic® F Silicone Carbide

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3M Techical Ceramics Ekasic® F Silicone Carbide
Categories:	Ceramic; Carbide
Material Notes:	Information provided by 3M Technical Ceramics, formerly ESK Ceramics.
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Physical Properties	Metric	English	Comments

Density	>= 3.15 g/cc	>= 0.114 lb/in³	DIN EN 623-2
Porosity	<= 2.0 %	<= 2.0 %	DIN EN 623-2
Grain Size	<= 5.0 µm	<= 5.0 µm
Weibull Modulus	10	10	[m]; DIN EN 843-5

Mechanical Properties	Metric	English	Comments
Hardness, Knoop	24.5 @Pressure 100 MPa	24.5 @Pressure 14500 psi	DIN EN 843-4
Hardness, Vickers	26 @Pressure 50.0 MPa	26 @Pressure 7250 psi	DIN EN 843-4
Tensile Modulus	430 GPa	62400 ksi	Young's; DIN EN 843-2
Flexural Strength	400 MPa	58000 psi	4-pt bending; DIN EN 843-1
Compressive Strength	2500 MPa	363000 psi	DIN 51104
Poissons Ratio	0.17	0.17	DIN EN 843-2
Fracture Toughness	4.00 MPa-m½	3.64 ksi-in½	SENB

Electrical Properties	Metric	English	Comments
Electrical Resistivity	>= 1.00e+9 ohm-cm	>= 1.00e+9 ohm-cm	DIN EN 50359

Thermal Properties	Metric	English	Comments
CTE, linear	3.80 µm/m-°C @Temperature 25.0 - 500 °C	2.11 µin/in-°F @Temperature 77.0 - 932 °F	DIN EN 821-1
	5.10 µm/m-°C @Temperature 500 - 1000 °C	2.83 µin/in-°F @Temperature 932 - 1830 °F	DIN EN 821-1
Specific Heat Capacity	0.690 J/g-°C	0.165 BTU/lb-°F	C DIN EN 821-3
Thermal Conductivity	130 W/m-K	902 BTU-in/hr-ft²-°F	DIN EN 821-2

Descriptive Properties
Color	Silver gray metallic
Microstructure	Fine-grained
Sonic velocity	12200 m/s		DIN EN 843-2
Thermal Stress	203 K		R1 = sB·(1-ν)/(α·E)
	26 W/mm		R2= R1-λ

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CESK02 / 183294

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