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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