| Issue |
MATEC Web Conf.
Volume 401, 2024
21st International Conference on Manufacturing Research (ICMR2024)
|
|
|---|---|---|
| Article Number | 01013 | |
| Number of page(s) | 8 | |
| Section | Advanced Forming Technologies | |
| DOI | https://doi.org/10.1051/matecconf/202440101013 | |
| Published online | 27 August 2024 | |
Effect of rolling reduction rate on the forming of microstructures on the surface of 2024 aluminum alloy
1 CGN-HIT Advanced Nuclear and New Energy Research Institute, Harbin Institute of Technology, Harbin 150001, China
2 National Key Laboratory for Precision Hot Processing of Metals, Harbin Institute of Technology, Harbin 150001, China
3 Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou, Henan 450000, China
* Corresponding author: shandb@hit.edu.cn
The influence of the rolling reduction rate on the microstructure filling behaviour of the surface of 2024 aluminum alloy was investigated. We measured the forming height of the microstructure under different process parameters and used scanning electron microscopy to capture the surface topography and analysed the appearance of cracks and holes. In the process of rolling, the filling height of the 2024 aluminum alloy increases with the increase of the reduction rate, and the forming quality of the surface microstructure deteriorates with the increase of the reduction rate, and more microcracks and holes appear on the surface of the microstructure, and these defects are formed because of the introduction of additional tensile stress due to the uneven deformation.
© The Authors, published by EDP Sciences, 2024
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