Dry sliding wear behaviour of hot-rolled air-cooled medium manganese martensitic steel

Han Ruyang; Yang Gengwei; Xu DemingZhao GangZhu XiaoxiangLi Shucheng

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Dry sliding wear behaviour of hot-rolled air-cooled medium manganese martensitic steel

机译：Dry sliding wear behaviour of hot-rolled air-cooled medium manganese martensitic steel

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摘要

The microstructure, mechanical properties and dry sliding wear behaviour of hot-rolled air-cooled medium manganese martensitic steel at different finish rolling temperatures (FRT) were investigated. The fully martensitic structure with precipitation of acicular carbides in the matrix was obtained in the air-cooled process after hot rolling. With the decrease of FRT, the mechanical properties and sliding wear resistance of experimental steels were significantly improved. The worn surface morphology was mainly furrows, and the wear mechanism was micro-cutting. Both the width and depth of the furrows increased with the increasing hardness of the experimental steels. The mass loss rates of FRT-700, FRT-900 and Hardox450 samples were 4.53 x 10(-4) g/m, 4.82 x 10(-4) g/m and 5.14 x 10(-4) g/m, respectively.

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《Materials Science and Technology: MST: A publication of the Institute of Metals》 |2023年第10期|1137-1145|共9页
作者
Han Ruyang; Yang Gengwei; Xu DemingZhao GangZhu XiaoxiangLi Shucheng;
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作者单位

Wuhan Univ Sci & Technol;

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正文语种英语
中图分类工程材料学;
关键词
Medium manganese martensitic steel; wear-resistant steel; finish rolling temperature; wear resistance; sliding wear; MECHANICAL-PROPERTIES; ROLLING TEMPERATURE; STRENGTH; PLATE;

Dry sliding wear behaviour of hot-rolled air-cooled medium manganese martensitic steel

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