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Serrated Flow and Shear Band Evolution in A Zr-Based Bulk Metallic Glass After Plastic Deformation and Annealing
Gu JS(谷建生); Wei BC(魏炳忱); Zhang TH(张泰华); Feng YH(冯义辉); Sun ZW(孙祉伟); Wei, BC (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Key Lab Micrograv, Beijing 100190, Peoples R China.
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
2010
Volume504Pages:S65-S68
ISSN0925-8388
AbstractThe effect of pre-deformation and annealing on serrated plastic flow and shear band features of a Zr-based bulk metallic glass was investigated through nanoindentation and macroindentation tests. The results showed that the serrated plastic flow during the loading process of nanoindentation was significantly suppressed in pre-deformed sample and re-appeared after subsequent annealing. The effect of pre-existed shear bands on the development of final shear bands was characterized by macroindentation without bonded interfaces. Pre-deformation does not lead to the multiply of shear band during the consequent plastic deformation, but decrease the shear band number significantly. The change in plastic flow behavior of the alloy by pre-deformation is thought to be the preferential propagation of existed shear bands, and its effect can be eliminated by annealing below glass transition temperature. (C) 2010 Elsevier B.V. All rights reserved.
KeywordBulk Metallic Glass Deformation Annealing Shear Bands
DOI10.1016/j.jallcom.2010.02.021
Indexed BySCI ; EI
Language英语
WOS IDWOS:000285252600018
WOS KeywordAMORPHOUS-ALLOYS ; ROOM-TEMPERATURE ; RELAXATION ; DUCTILITY
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58604
Collection国家微重力实验室
Corresponding AuthorWei, BC (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Key Lab Micrograv, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Gu JS,Wei BC,Zhang TH,et al. Serrated Flow and Shear Band Evolution in A Zr-Based Bulk Metallic Glass After Plastic Deformation and Annealing[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2010,504:S65-S68.
APA 谷建生,魏炳忱,张泰华,冯义辉,孙祉伟,&Wei, BC .(2010).Serrated Flow and Shear Band Evolution in A Zr-Based Bulk Metallic Glass After Plastic Deformation and Annealing.JOURNAL OF ALLOYS AND COMPOUNDS,504,S65-S68.
MLA 谷建生,et al."Serrated Flow and Shear Band Evolution in A Zr-Based Bulk Metallic Glass After Plastic Deformation and Annealing".JOURNAL OF ALLOYS AND COMPOUNDS 504(2010):S65-S68.
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