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| Research Progress of Fine Particle Peening Technology |
| LI Ruizhi1 , ZHOU Xianglin1 , SUN Chengchuan1 , XIE Chen1 , WEN Wei2 |
| (1. State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China; 2. School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China) |
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Abstract Fine particle peening has become an important surface strengthening technology in the field of aviation, energy etc. because it can reduce the surface roughness while strengthening the surface of substrate due to the used small size medium. So far, the research on this technology has been still in the stage of experimental demonstration of its strengthening mechanism, and complete theoretical system has not been established yet. This article summarizes the principles, characteristics of fine particle peening technology and discusses the strengthening mechanism in the process of fine particle peening. The current research status of fine particle peening technology and its application in various materials are described. It also points out the potential application of this technology and studying the effects of various parameters on the shot peening effect will be the main direction of development of fine particle peening.
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2021, 
