Study on Size Effect of Surface Roughness Based on the 3D Voronoi Model and Establishment of Roughness Prediction Model in Micro-Metal Forming
Source abstract
Abstract
The primary purpose of this paper is to study the size effect of surface roughness and realize the quantitative description of the surface roughness in micro-forming process. This work is a continuation of the previous work by the authors. The effects of the initial surface roughness of the specimen, the grain size, and grain orientations on the surface roughness of micro-upsetting products were investigated. The ratio of the number of grains of the surface layer to the total number of grains was adopted to characterize the size effect. The variation of the size effect on the contact normal pressure during the compression process was also analyzed. And the quantitative description of the evolution law of surface roughness for micro-formed parts was realized. The corresponding micro compression experiment was done in order to testify the prediction model.
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Research context
OpenAlex topics: Metal Forming Simulation Techniques · Advanced machining processes and optimization · Advanced Surface Polishing Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechanical and Electronic Engineering, Shandong Jianzhu University, Jinan 250101, China
School of Mechanical Engineering, Shandong University, Jinan 250061, China
Funding
Shandong Provincial Natural Science Foundation · PhD Research Foundation of Shandong Jianzhu University
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