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Modulating heterogeneity and plasticity in bulk metallic glasses: Role of interfaces on shear banding
Kosiba, K.; Sopu, D.; Scudino, S.; Zhang, L.; Bednarcik, J.; Pauly, S.
2019-08-01
Source PublicationINTERNATIONAL JOURNAL OF PLASTICITY
ISSN0749-6419
Volume119Pages:156-170
AbstractStructural heterogeneities in monolithic metallic glasses, i.e. free volume variations or stress/strain fields, are known to be pivotal for their plasticity but the mechanisms how they affect irreversible deformation remain poorly understood. We show that flash-annealing is a capable tool for modifying the free volume content and its distribution, which creates non-affine stress fields in a monolithic CuZr-based bulk metallic glass. Rather than the overall free volume, mu m-scale regions of relaxed and rejuvenated glass govern plastic deformation. Complementary molecular dynamics simulations underpin the importance of the interfaces between relaxed and rejuvenated volumes for shear band proliferation. Not only can we reach unmatched states of metastability in metallic glasses with the present approach but also better understand the mechanisms underlying plasticity in monolithic but structurally heterogeneous metallic glasses.
Indexed BySCI
Language英语
WOS IDWOS:000471088600009
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80877
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Kosiba, K.,Sopu, D.,Scudino, S.,et al. Modulating heterogeneity and plasticity in bulk metallic glasses: Role of interfaces on shear banding[J]. INTERNATIONAL JOURNAL OF PLASTICITY,2019,119:156-170.
APA Kosiba, K.,Sopu, D.,Scudino, S.,Zhang, L.,Bednarcik, J.,&Pauly, S..(2019).Modulating heterogeneity and plasticity in bulk metallic glasses: Role of interfaces on shear banding.INTERNATIONAL JOURNAL OF PLASTICITY,119,156-170.
MLA Kosiba, K.,et al."Modulating heterogeneity and plasticity in bulk metallic glasses: Role of interfaces on shear banding".INTERNATIONAL JOURNAL OF PLASTICITY 119(2019):156-170.
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