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Lattice constant (µm): a: 2.504*10-10 c:6.692*10-10
Apparent density (g/cm3): 2.0-2.21(board) 2.0-2.17(Crucible)
Helium transmissivity (cm3/s): 1*10-12
Solidity by microscope (N/mm2): 691.88
Volume resistinity (Ω·cm): 3.11*1011
Tensile strength (N/mm2): 153.86
Bending strength (力 ‖ "C" N/mm2): 243.63
Bending strength (力 ⊥ "C" N/mm2): 197.76
Elasticity modulus (N/mm2):235690
Pyroconductivity (W/m·k) 200℃ “a”direction: 60; "c" direction:2.60
Pyroconductivity (W/m·k) 900℃ “a”direction: 43.70; "c" direction:2.80
Dielectric strength (KV/mm):56
Lattice constant (µm): a: 2.504*10-10 c:6.692*10-10
Apparent density (g/cm3): 2.0-2.21(board) 2.0-2.17(Crucible)
Helium transmissivity (cm3/s): 1*10-12
Solidity by microscope (N/mm2): 691.88
Volume resistinity (Ω·cm): 3.11*1011
Tensile strength (N/mm2): 153.86
Bending strength (力 ‖ "C" N/mm2): 243.63
Bending strength (力 ⊥ "C" N/mm2): 197.76
Elasticity modulus (N/mm2):235690
Pyroconductivity (W/m·k) 200℃ “a”direction: 60; "c" direction:2.60
Pyroconductivity (W/m·k) 900℃ “a”direction: 43.70; "c" direction:2.80
Dielectric strength (KV/mm):56
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