Transactions of Materials and Heat Treatment

Title：Experimental research on cold press forming for copper alloy surface texture

Authors：

Unit：

KeyWords：

ClassificationCode：GT306

year,vol(issue):pagenumber：2022,47(1):196-202

Abstract：

A high-efficiency and low-cost surface texture processing method, namely, surface texture cold press forming process was studied, and the feasibility of preparing functional surface textures was verified. Then, the copper alloy was annealed at different temperatures to prepare samples with different grain sizes, and the cold press forming experiment of the circular pit surface texture for copper alloy was conducted by the self-developed surface texture cold press forming system. Furthermore, the texture topography was analyzed by a three-dimensional microscope with ultra-depth of field, and the influences of different loads and grain sizes on the cold press forming results of single-point surface texture and the influence of different pit spacings on the cold press forming results of two-point texture were studied. Finally, through cold press forming experiments of surface texture, the circular pit textures with the diameter of Φ336.0~Φ720.6 μm and the depth of 27.33~110.10 μm for deformation affected zone were fabricated on the surface of H62 copper alloy. The research results show that the load, grain size and pit spacing have a significant effect on the surface texture structure. The experiment determines the process parameters of the cold press forming for surface texture and verifies the feasibility of cold press forming to prepare the surface texture.

Funds：

国家自然科学基金资助项目（51975396）；山西省留学人员科技活动择优资助项目（20200023）；山西省回国留学人员科研经费资助项目（2021-138）

作者简介：高壮（1997-），男，硕士研究生 E-mail：1056840225@qq.com 通信作者：刘志奇（1972-），男，博士，教授 E-mail：liuzhiqi@tyust.edu.cn

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