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Oxidation features of plastic deformed Zr-based bulk metallic glass
Hu Z(胡铮); Li L(李磊); Hu YP(胡燕萍); Xing JS(邢建硕); Wei BC(魏炳忱); Wei, BC (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Key Lab Micrograv, Beijing 100190, Peoples R China
2011
会议名称17th International Symposium on Metastable, Amorphous and Nanostructured Materials (ISMANAM 2010)
会议日期JUL 04-09, 2010
会议地点Zurich, SWITZERLAND
会议录名称JOURNAL OF ALLOYS AND COMPOUNDS
页码S69-S73
摘要The surface morphology of in situ deformed, pre-deformed, undeformed and crystallized Zr(47.9)Ti(0.3)Ni(3.1)Cu(39.3)Al(9.4) bulk metallic glass in air at elevated temperatures are investigated to improve the understanding of the effect of plastic deformation on the oxidation. The plastic deformation is performed through instrumental macroindentation, while could provide a well developed shear offset pattern around the indents at lower temperatures. The oxidation experimental results show that the in situ formed and pre-existed shear bands are more susceptible to oxidation. The plastic deformation region during homogenous deformation has also a significant oxidation sensitivity compared with undeformed material. To clarify the oxidation mechanism of shear band, specimens with surface scratches were also studied. The mechanism for the preferential oxidation of shear bands and of the plastic deformation region is discussed. (C) 2011 Elsevier B.V. All rights reserved.
关键词Bulk Metallic Glass Indentation Oxidation Shear Band
课题组名称中科院国家微重力实验室
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收录类别CPCI(ISTP)
语种英语
文献类型会议论文
条目标识符http://dspace.imech.ac.cn/handle/311007/45324
专题国家微重力实验室
通讯作者Wei, BC (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Key Lab Micrograv, Beijing 100190, Peoples R China
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Hu Z,Li L,Hu YP,et al. Oxidation features of plastic deformed Zr-based bulk metallic glass[C]. PO BOX 564, 1001 LAUSANNE, SWITZERLAND:ELSEVIER SCIENCE SA,2011:S69-S73.
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