Study on Cutting Form and Surface Machining Quality of Wheel Tread under Reprofiling

Table 1

Material parameters.

Temperature/°C	Thermal conductivity/W·m^−1·k^−1	Temperature/°C	Expansion coefficient/°C^−1	Yield stress/MPa	Plastic strain
290	48.46	230	0.0000108	989	0
400	43.79			1119	0.042
493	38.65	567	0.0000131	1190	0.092
593	34.31			1236	0.142
703	30.21	773	0.0000137	1282	0.192
800	25			1298	0.272
893	23.07