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Study of Serrated Flow and Plastic Deformation in Metallic Glasses Through Instrumented Indentation
Li WH(李维火); Wei BC(魏炳忱); Zhang TH(张泰华); Xing DM(邢东梅); Zhang LC(张凌晨); Wang YR(王育人); Wei, BC (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Beijing 100080, Peoples R China.
Source PublicationINTERMETALLICS
2007
Volume15Issue:5-6Pages:706-710
ISSN0966-9795
AbstractThe plastic deformation behavior and serrated flow in seven bulk metallic glass (BMG) systems were investigated through instrumented indentation. These materials include Ce65Al10Ni10Cu10Nb5, Mg65Cu25Gd10, Pd43Ni10Cu27P20, Cu60Zr20Hf10Ti10, Pt57.5Cu14.7Ni5.3P22.5, N60Nb37Sn3 and Fe43Cr16Mo16C15B10 BMGs, which show a glass transition temperature (T-g) ranging from 360 to 908 K at a heating rate of 0.33 K/s. Remarkable difference in deformation behavior was found among these BMGs in the load-depth curves during nanoindentation. Prominent serrations are observed in Mg-, Pt- and Pd-based BMGs with medium 7, during the loading process, whereas no distinct serrated flow was found in Ce-, Ni- and Fe-based BMGs with quite low or high T-g, The subsurface Plastic deformation regions after indentation were investigated using depth-sensing microindentation to characterize the shear band feature developed in various BMG systems. The size of the shear band upset is found to be larger in the alloys with lower T-g. The effect of T-g on the operation of shear bands and the serrated flow behavior in various BMG systems were discussed. (c) 2006 Elsevier Ltd. All rights reserved.
KeywordPlastic Deformation Mechanisms Glasses Pmechanical Properties At Ambient temperAture Metallic
DOI10.1016/j.intermet.2006.10.010
Indexed BySCI
Language英语
WOS IDWOS:000246739400019
WOS KeywordNANOINDENTATION ; MICROSTRUCTURE ; TEMPERATURE ; COMPOSITES ; DEPENDENCE ; DYNAMICS ; FRACTURE ; DUCTILE ; ALLOYS ; SOLIDS
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
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Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58443
Collection力学所知识产出(1956-2008)
Corresponding AuthorWei, BC (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Li WH,Wei BC,Zhang TH,et al. Study of Serrated Flow and Plastic Deformation in Metallic Glasses Through Instrumented Indentation[J]. INTERMETALLICS,2007,15(5-6):706-710.
APA 李维火.,魏炳忱.,张泰华.,邢东梅.,张凌晨.,...&Wei, BC .(2007).Study of Serrated Flow and Plastic Deformation in Metallic Glasses Through Instrumented Indentation.INTERMETALLICS,15(5-6),706-710.
MLA 李维火,et al."Study of Serrated Flow and Plastic Deformation in Metallic Glasses Through Instrumented Indentation".INTERMETALLICS 15.5-6(2007):706-710.
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