| Issue |
E3S Web Conf.
Volume 385, 2023
2023 8th International Symposium on Energy Science and Chemical Engineering (ISESCE 2023)
|
|
|---|---|---|
| Article Number | 04028 | |
| Number of page(s) | 4 | |
| Section | Polymer Chemistry and Chemical Research Progress | |
| DOI | https://doi.org/10.1051/e3sconf/202338504028 | |
| Published online | 04 May 2023 | |
Effect of V on the microstructure and mechanical property of Al-Mg-Si alloy by adding Al3V phase
School of Mechanical and Materials Engineering, North China University of Technology, 100144, P.R. China
* email:mengyi@ncut.edu.cn
The effect of V microalloying on the microstructure and mechanical properties of Al-Mg-Si wrought aluminum alloy by adding the Al-4V (wt.%) master alloy containing the single type of Al3V phases was studied by optical microscope, scanning electron microscope and energy spectrum analysis. The results showed that adding V into the Al-1.6Mg-1.2Si (wt.%) alloy by means of Al3V phases significantly refined the as-cast alloy structure and reduced the grain size by 3.30%. During homogenization heat treatment, dispersed spherical V-containing phase precipitated from the matrix and strongly inhibited the recrystallization grain growth during the T6 heat treatment. The mechanical properties of T6 alloy was improved significantly when the minor V was added by means of Al3V phases, with the tensile strength (UTS) and yield strength (YS) increased by 1.21% and 2.42% respectively while elongation (EL) increased significantly by 130%.
© The Authors, published by EDP Sciences, 2023
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