Modeling of self-healing of microcracks in the process of longitudinal electroplastic rolling

Multiscale model to describe the process of self-healing of microcracks in thin metal sheets during longitudinal electroplastic rolling is developed. The simultaneous treatment of a mechanical load and a pulsed high-energy electromagnetic field on the sheet is assumed. Finite element modeling has sh...

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Bibliographic Details
Published in:Journal of physics. Conference series 2022-04, Vol.2231 (1), p.12022
Main Author: Kukudzhanov, K V
Format: Article
Language:English
Subjects:
Electromagnetic fields
Electromagnetism
Finite element method
Liquid metals
Mathematical models
Metal sheets
Microcracks
Modelling
Physics
Shores
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Summary:Multiscale model to describe the process of self-healing of microcracks in thin metal sheets during longitudinal electroplastic rolling is developed. The simultaneous treatment of a mechanical load and a pulsed high-energy electromagnetic field on the sheet is assumed. Finite element modeling has shown that under certain conditions microcracks and micropores can self-heal partially in the working zone. Impact of external pulsed high-energy electromagnetic field leads to welding of the shores of microcracks by molten metal in their tops, while the length and volume of cracks decrease.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/2231/1/012022