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Table 1 Brake disc material properties

From: Simulation Analysis and Verification of Temperature and Stress of Wheel-Mounted Brake Disc of a High-Speed Train

Temperature (℃) Tensile strength (MPa) Yield strength (MPa) Thermal expansion coefficient (10−6·K−1) Elastic modulus (GPa) Poisson’s ratio Thermal conductivity (W·m−1·K−1) Specific heat capacity (J·kg−1·K−1)
20 1235 1137 11.6 211 0.28 45.2 473
200 1130 1030 11.6 202 0.28 43.6 523
400 1050 945 13.6 187 0.29 43.9 607
600 565 420 14.2 168 0.3 42.3 754
700 191 100 14.2 152 0.31 43.8 805