Effect of progressive solid-solution treatment on microstructures, mechanical properties and impact abrasive wear behavior of alloyed high manganese steel

被引:7
作者
Li, Zulai [1 ]
Wang, Haibin [1 ]
Zhao, Yuelin [2 ]
Wu, Lei [1 ]
Zhang, Fei [3 ]
Shan, Quan [1 ]
机构
[1] Kunming Univ Sci & Technol, Sch Mat Sci & Engn, Kunming 650093, Yunnan, Peoples R China
[2] Yunnan Kungang Wear Resistant Mat Sci Co Ltd, Yuxi 653400, Peoples R China
[3] Kunming Univ Sci & Technol, Sch Mech & Elect Engn, Kunming 650093, Yunnan, Peoples R China
关键词
alloyed high manganese steel; progressive solid-solution treatment; carbide; impact abrasive wear resistance; HADFIELD STEEL; STRENGTH; GRAIN; PRECIPITATION; DEFORMATION; PERFORMANCE; RESISTANCE; CHROMIUM;
D O I
10.1088/2053-1591/ac5cad
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Alloyed high manganese steel is a general type of wear-resistant steel, and its precipitates and austenite matrix grain sizes play an important role in impact abrasive wear behavior. Solid-solution treatment is an effective method to balance the size of the austenite grains and precipitates. This work attempts to find a new progressive solid-solution treatment to make alloyed high manganese steel castings refine the microstructure and balance the wear resistance under impact abrasive wear conditions. Compared with traditional solid-solution treatment, the MC- and M23C6-type carbide precipitates resulting from progressive solid-solution treatment decrease, and the tensile strength and impact toughness of steel are significantly increased. After the solid-solution treatment at different heating rates, the grain refinement effect is remarkable after shortening the holding time at 1100 degrees C and increasing the heating rate to 150 degrees C h(-1). The impact abrasive wear test results show that, compared with the traditional solid-solution treatment at 1100 degrees C for 4 h, the wear resistance of high manganese steel has a 23.1% improvement after progressive solution treatment at 1100 degrees C for 2 h, and the wear failure forms of all the experimental steels are microcutting, oxidation wear and plastic deformation.
引用
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页数:12
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