Silicon Carbide
Material properties	Norm	Symbol/Unit	EKasic® F
Density	DIN EN 623-2	ρ [g/cm3]	>3.10
Porosity	DIN EN 623-2	P [%]	<3.0
Mean grain size		[μm]	<5
Grain size distribution		[μm]
Phase composition			α-SiC
Vickers hardness	DIN EN 843-4	HV 1 [GPa]	24.5
Knoop hardness	DIN EN 843-4	HK 0.1 [GPa]	24.5
Young's modulus	DIN EN 843-2	E [GPa]	430
Weibull modulus	DIN EN 843-5	m	10
Flexural strength, 4-pt bending	DIN EN 843-1	σB [MPa]	400
Compressive strength		σD [MPa]	> 2500
Poisson ratio		ν	0.17
Fracture toughness (SENB)		Klc [MPa·m0,5]	4
Coefficient of thermal expansion	DIN EN 821-1
20°C - 500°C		α [10-6/K]	3.8
500°C - 1000°C		α [10-6/K]	5.1
Specific heat at 20°C	DIN EN 821-3	cp [J/g K]	0.69
Thermal conductivity at 20°C	DIN EN 821-2	λ [W/m K]	130
Thermal stress parameters	calculated
R1 = σB·(1-ν) / (α·E)		R1 [K]	203
R2 = R1·λ		R2 [W/mm]	26
Specific electrical resistance at 20°C	DIN EN 50359	ρ [Ω cm]	> 108