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Liu K.,Jianglu Machinery & Electronics Group Co. | Yang B.,Jianglu Machinery & Electronics Group Co. | Yu J.,Jianglu Machinery & Electronics Group Co. | Gu X.,Jianglu Machinery & Electronics Group Co. | Li Y.,Jianglu Machinery & Electronics Group Co.
Jinshu Rechuli/Heat Treatment of Metals | Year: 2014

Microstructure evolution of ZGMn13TiRE steel after different solution heat treatment was investigated, and the heat treatment process of ZGMn13TiRE steel tread shoe was improved. The results show that microstructure evolution of ZGMn13TiRE steel consists of two steps: pearlite transformation and carbides dissolve, and carbides dissolve gradually with temperature increasing. Compared with the traditional water toughening treatment, the two-step water toughening heat treatment process of ZGMn13TiRE steel is insensitive to chemical composition difference of castings. After adopting the two-step heat treatment process of 1050 ℃×40 min+1100 ℃×40 min, the heat treatment qualification rate for ZGMn13TiRE steel tread shoe increases from about 70% to over 95%.

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