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Title:
Oxidation features of plastic deformed Zr-based bulk metallic glass
Author: Hu Z(胡铮) ; Li L(李磊) ; Hu YP(胡燕萍) ; Xing JS(邢建硕) ; Wei BC(魏炳忱)
Issued Date: 2011
Conference Name: 17th International Symposium on Metastable, Amorphous and Nanostructured Materials (ISMANAM 2010)
Conference Date: JUL 04-09, 2010
Conference Place: Zurich, SWITZERLAND
Abstract: 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.
Keyword: Bulk metallic glass ; Indentation ; Oxidation ; Shear band
Indexed Type: CPCI(ISTP)
Subject: Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering
Corresponding Author: Wei, BC (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Key Lab Micrograv, Beijing 100190, Peoples R China
Related URLs: 查看原文
Source: JOURNAL OF ALLOYS AND COMPOUNDS
Publisher: ELSEVIER SCIENCE SA
Publish Place: PO BOX 564, 1001 LAUSANNE, SWITZERLAND
Language: 英语
Department: 中科院国家微重力实验室
Content Type: 会议论文
URI: http://dspace.imech.ac.cn/handle/311007/45324
Appears in Collections:国家微重力实验室_会议论文

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Recommended Citation:
Hu Z,Li L,Hu YP,et al. Oxidation features of plastic deformed Zr-based bulk metallic glass[C]. 见:17th International Symposium on Metastable, Amorphous and Nanostructured Materials (ISMANAM 2010). Zurich, SWITZERLAND. JUL 04-09, 2010.http://dx.doi.org/10.1016/j.jallcom.2011.02.065
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