Investigation of Micro‐pattern Forming Process on Zr‐4 Alloy Surface Considering Ploughing Effects

Micro‐pattern forming process is an efficient and low‐cost process for fabricating multifunctional surfaces in electronics, energy and biomedical products, but this process of creating micro dimples on the surface of zirconium alloys has not been investigated. Currently, there are few models describing the micro‐pattern forming process, and these existing models have not considered the effect of roughness on forming. The influence of roughness on micro‐pattern forming process is not to be neglected due to the size effect, especially the ploughing effects caused by asperities in surface roughness during sliding process. In this paper, a micro‐pattern forming process model is developed by combining a rough plane indentation model and a ploughing effects model, and the experimental study of the forming process is conducted, which can quantitatively evaluate the effects of different process parameters and different roughness of forming die on forming process. The applicability range of the developed model is obtained, and the model is capable of predicting the forming process with various process parameters and surface roughness of forming die by comparing the experiment results with the model results, which is of great significance to the design of the forming die and the improvement of the forming process.This article is protected by copyright. All rights reserved.