Non-metallic Mineral Products

Ceramic Turbine

Technical Data：

Breaking Strength at Room Temperature	≥900Mpa	Fracture Toughness at Room Temperature	6.0-8.0 Mpa.m^1/2
Volume Density	3.20-3.4g/cm³	Volume Resistivity at Room Temperature	10¹⁴Ω.cm
Relative Dielectric Constant at Room Temperature	6-7	Heat Conductivity	23-25W/（m-k）
Thermal Expansion Coefficient	3.1×10^-6/℃	Hardness	HRA92-94

Main Performance Indexes of Silicon Nitride Ceramics:：

Performance	Reactive Sintering Silicon Nitride	Normal Pressure Sintering Silicon Nitride	The Company’s Hot Pressed Sintering Silicon Nitride
Volume Density （g/cm³）	2.21	3.15	3.2~3.3
Bending Strength（Mpa）	137.3	490.3	≥900
Fracture Toughness (Mpa·m^1/2)	2.17	4.71	6.0~8.0
Hardness (HRA)		87.0	92.0~94.0
Heat Conductivity Coefficient (W/m·k)	5.44	12.56	23~25
Thermal Expansion Coefficient χ10^-6℃ (RT~1200℃)	3.2	3.2	2.95~3

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Ceramic Turbine,