NDLI: Microstructure Evolution of 5052 Aluminum Sheet in Electromagnetic High-Speed Impact

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Microstructure Evolution of 5052 Aluminum Sheet in Electromagnetic High-Speed Impact

Content Provider	MDPI
Author	Feng, Fei Li, Jianjun Zhang, Yunjun Huang, Liang Su, Hongliang Cao, Shijing Shao, Guangbao Chen, Rongchuang
Copyright Year	2020
Description	Electromagnetic forming (EMF) is a high-speed forming technology, which can not only improve the formability of hard-to-form materials but also reduce springback. Electromagnetic high-speed impact can further improve the formability compared with electromagnetic free forming. The microscopic deformation mechanism of electromagnetic high-speed impact of aluminum alloy is discussed in this paper. The microstructures of electromagnetic high-speed impact of an aluminum alloy sheet were characterized. The microscopic deformation mechanisms of electromagnetic forming and electromagnetic high-speed impact were shown, respectively. The research results showed that electromagnetic high-speed impact could significantly improve the microhardness of the workpiece. The grains broke up and then became small subgrains during electromagnetic high-speed impact. The deformation mechanism was dominated by dislocation cross slip under electromagnetic high-speed impact.
Starting Page	564
e-ISSN	20754701
DOI	10.3390/met10050564
Journal	Metals
Issue Number	5
Volume Number	10
Language	English
Publisher	MDPI
Publisher Date	2020-04-27
Access Restriction	Open
Subject Keyword	Metals Manufacturing Engineering Electromagnetic High-speed Impact 5052 Aluminum Alloy Micro Hardness Microstructure
Content Type	Text
Resource Type	Article

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