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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
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
2011
PagesS69-S73
Conference Name17th International Symposium on Metastable, Amorphous and Nanostructured Materials (ISMANAM 2010)
Conference DateJUL 04-09, 2010
Conference PlaceZurich, SWITZERLAND
AbstractThe 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.
KeywordBulk Metallic Glass Indentation Oxidation Shear Band
Department中科院国家微重力实验室
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Indexed ByCPCI(ISTP)
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/45324
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
Hu Z,Li L,Hu YP,et al. Oxidation features of plastic deformed Zr-based bulk metallic glass[C]JOURNAL OF ALLOYS AND COMPOUNDS,2011:S69-S73.
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