Dynamic fragmentation induced by network-like shear bands in a Zr-based bulk metallic glass
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Authors
Zeng, F.
Chen, Y.
Jiang, M.
Lu, Chunsheng
Dai, L.
Date
2015Type
Journal Article
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Zeng, F. and Chen, Y. and Jiang, M. and Lu, C. and Dai, L. 2015. Dynamic fragmentation induced by network-like shear bands in a Zr-based bulk metallic glass. Intermetallics. 56: pp. 96-100.
Source Title
Intermetallics
ISSN
School
Department of Mechanical Engineering
Collection
Abstract
Dynamic fragmentation induced by network-like shear bands is observed in a Zr-based bulk metallic glass subjected to impact loading, which is different from shear failure via one dominant shear band under quasi-static compression. Further, the influence of elastic strain energy on the evolution of shear bands is investigated. It is shown that the shear-band pattern occurring in one dominated mode or in multiple modes strongly depends on the loading rates. Dynamic fragmentation is due to the competition between the elastic strain energy driving a shear band and the dissipated energy along the shear band.
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