Experimental Research on Vibration Reduction of Cantilever Structure in High-Temperature Environments

Table 4

Thermophysical properties of the 45 steel.

Temperature (°C)	Density	Thermal conductivity	Specific heat capacity	Poisson’s ratio	Coefficient of expansion	Modulus of elasticity
20	7850	55	465	0.3	1.1	206
250	7800	55	470	0.3	1.21	175
500	7650	55	490	0.3	1.37	130