Каталог Sumitomo сплавы и режимы - страница 35

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Material Properties ■ Material Properties Thermal Linear-Thermal Materials Specific Gravity Hardness (mHv) Young Modulus Conductivity Expansion Melting Point A (GPa) (GPa) (W/m·°C) Coefficient (°C) (X 10-6/°C) Grades Tungsten Carbide WC 15.6 21 690 126 5.1 2,900 Titanium Carbide TiC 4.94 31 450 17 7.6 3,200 Tantalum Carbide TaC 14.5 18 280 21 6.6 3,800 Nobium Carbide NbC 8.2 20 340 17 6.8 3,500 Titanium Nitrate TiN 5.43 20 260 29 9.2 2,950 Aluminum Oxide Al2O3 3.98 29 410 29 8.5 2,050 Silicon Nitride Si3N4 3.17 25 310 29 3.0 >1,900（decomposes） Cubic Boron Nitride cBN 3.48 44 700 1,300 4.7 − Diamond C 3.52 >90 970 2,100 3.1 − Cobalt Co 8.9 − 100 to 180 69 12.3 1,495 Nickel Ni 8.9 − 200 92 13.3 1,455 WC-5% Co 15.0 18 630 79 5.0 − Carbide WC-10% Co 14.6 14 580 75 5.0 − WC-20% Co 13.5 10 530 67 6.0 − High Speed Steel 8.7 8 210 17 11.0 − A35