Wear behavior and nano-structure of surface layers of Hadfield steel under impact loading |
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| Authors: | XU Yunhu CHEN Yumei ZHU Jinhua |
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| Institution: | 1. State Key Laboratory for Mechanical Behavior of Materials, Xi' an Jiaotong University, Xi'an 710049, China;Institute of Wear Resistance Materials, Xi' an University of Architecture and Technology, Xi' an 710055, China
2. State Key Laboratory for Mechanical Behavior of Materials, Xi' an Jiaotong University, Xi'an 710049, China |
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| Abstract: | Under high energy impact contact loading, a turning on the weight loss－impact cycle (WL-N) curv e has been found, which results from the formation of nano-sized grains embedded in amorphous in the surface layersof Hadfield steel. As the impact energy increases, the wear rate, d WL/dN, first increases then decreases. The nanostructure due to the accumulation of plastic deformation is composed of nano-sized grains spanning 10 ～ 50 atoms and amorphous structures. |
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| Keywords: | Hadfield steel impact wear mano-sized grains amorphous structure |
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