Thermal Stress Coupling Analysis of Ventilated Disc Brake Based on Moving Heat Source

Table 2

Thermophysical properties of the brake disc.

Temperature	Elastic modulus (MPa)	Specific heat (mJ/(t·°C))	Heat conductivity (mW/(mm·°C))	Thermal expansion coefficient (10^−6(1/°C))
20	105000	5.03 × 10^8	42.4	4.39
100	95000	5.30 × 10^8	43.1	11.65
200	90000	5.63 × 10^8	44.2	12.84
300	90000	6.11 × 10^8	43.6	13.58