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A modified criterion for shear band formation in bulk metallic glass under complex stress states
Guo YZ; Li YL; Wu XL(武晓雷); Wei Q
Source PublicationMaterials Science and Engineering A-Structural Materials Properties Microstructure and Processing
2010
Volume527Issue:10-11Pages:2613-2620
ISSN0921-5093
AbstractA new criterion for shear band formation in metallic glasses is proposed based on the shear plane criterion proposed by Packard and Schuh [1]. This modified shear plane (MSP) criterion suggests that a shear band is not initiated randomly throughout the entire material under stress but is initiated at the physical boundaries or defects and at locations where the highest normal stress modified maximum shear stress occurs. Moreover, the same as in the shear plan criterion, the shear stress all over the shear band should exceed the shear yield strength of the material. For a complete shear band to form, both requirements need to be fulfilled. The shear yield strength of the material is represented by the shear stress of the point at which the shear band stops. The new criterion agrees very well with experimental results in both the determination of the shear yield strength and the shear band path. (C) 2010 Elsevier B.V. All rights reserved.
DOI10.1016/j.msea.2009.12.045
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Indexed BySCI
Language英语
WOS IDWOS:000276137600022
WOS KeywordMECHANICAL-PROPERTIES ; DEFORMATION-BEHAVIOR ; AMORPHOUS-ALLOYS ; NANOINDENTATION ; MODE ; FLOW
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding Organization111 Project of China [B07050] ; National Science Foundation of China [10932008]
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43527
Collection非线性力学国家重点实验室
Corresponding AuthorGuo YZ
Recommended Citation
GB/T 7714
Guo YZ,Li YL,Wu XL,et al. A modified criterion for shear band formation in bulk metallic glass under complex stress states[J]. Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing,2010,527(10-11):2613-2620.
APA Guo YZ,Li YL,武晓雷,&Wei Q.(2010).A modified criterion for shear band formation in bulk metallic glass under complex stress states.Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing,527(10-11),2613-2620.
MLA Guo YZ,et al."A modified criterion for shear band formation in bulk metallic glass under complex stress states".Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing 527.10-11(2010):2613-2620.
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