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  • 标题:Ductile bulk metallic glass by controlling structural heterogeneities
  • 本地全文:下载
  • 作者:S. Scudino ; J. J. Bian ; H. Shakur Shahabi
  • 期刊名称:Scientific Reports
  • 电子版ISSN:2045-2322
  • 出版年度:2018
  • 卷号:8
  • 期号:1
  • 页码:9174
  • DOI:10.1038/s41598-018-27285-5
  • 语种:English
  • 出版社:Springer Nature
  • 摘要:BMG by using experimental and computational methods. The imprinted material is elastically heterogeneous and displays anisotropic mechanical properties: strength and ductility increase with increasing the loading angle between imprints and tensile direction. This behavior occurs through shear band branching and their progressive rotation. Molecular dynamics and finite element simulations indicate that shear band branching and rotation originates at the interface between the heterogeneities, where the characteristic atomistic mechanism responsible for shear banding in a homogeneous glass is perturbed.
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