Prediction and Minimization of the Heat Treatment Induced Distortion in 8620H Steel Gear: Simulation and Experimental Verification

Chinese Journal of Mechanical Engineering

Table 2 Material properties of 8620H gear

T (℃)	cp (J/(kg∙℃))	λ (W/(m∙℃))	ρ (kg/m³)	μ	E (GPa)
25	0.45536	69.20361	7840.76	0.28910	211.9596
100	0.48450	64.00208	7824.46	0.29192	208.6537
200	0.52816	56.27197	7796.21	0.29551	202.6909
300	0.58864	48.92402	7762.95	0.29936	194.6552
400	0.62724	43.19080	7728.25	0.30326	184.5198
500	0.71848	38.59421	7691.57	0.30718	172.5068
600	0.80211	34.91778	7653.60	0.31109	159.0304
700	0.96772	32.34905	7615.17	0.31528	144.3853
800	1.01789	26.85362	7642.12	0.33707	127.6197
900	0.60977	27.50721	7599.67	0.34546	117.4178
1000	0.62525	28.71413	7545.75	0.35137	107.4592
1100	0.64081	29.92103	7492.36	0.35727	97.36888
1200	0.65653	31.12793	7439.47	0.36318	87.14697