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Shear band formation and mechanical properties of Zr38Ti17Cu10.5Co12Be22.5 bulk metallic glass/porous tungsten phase composite by hydrostatic extrusion
Xue, Y. F.1; Wang, L.1; Cheng, H. W.1; Wang, F. C.1; Zhang, H. F.2
Corresponding AuthorXue, Y. F.(xueyunfei@bit.edu.cn)
2010-08-20
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume527Issue:21-22Pages:5909-5914
AbstractZr38Ti17Cu10.5Co12Be22.5 bulk metallic glass/porous tungsten phase composites were prepared via a method by combining infiltrating the molten alloy into the reinforcement with hydrostatic extrusion. The deformation and failure behavior of the as-extruded composite were investigated at room temperature under quasistatic compression. Compared to the as-cast composite, the as-extruded composite presented greater flow stress and lower fracture strain. Different from the fracture mode of multiple macro shear bands for the as-cast composite, fractrographic analysis revealed that the specimen for the as-extruded composite fractured by a mixture of shearing and axial splitting. It is suggested that the increase in flow stress for the as-extruded composite is attributed to the extrusion process which introduced hardened condition in the tungsten phase. The fracture strain of the as-extruded composite decreased by comparison with the as-cast composite is proposed to result from the joint effects of the employed extrusion process sacrificed part of the plasticity, relatively high flow stress exceeded the fracture stress of the pure metallic glass, and the elongated grain structure resulted in splitting mode for the as-extruded composite. (C) 2010 Elsevier B.V. All rights reserved.
KeywordBulk metallic glass Porous tungsten Composite Hydrostatic extrusion Shear bands
Funding OrganizationNational Natural Science Foundation of China
DOI10.1016/j.msea.2010.06.006
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[10872032]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000281175300078
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/101101
Collection中国科学院金属研究所
Corresponding AuthorXue, Y. F.
Affiliation1.Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Xue, Y. F.,Wang, L.,Cheng, H. W.,et al. Shear band formation and mechanical properties of Zr38Ti17Cu10.5Co12Be22.5 bulk metallic glass/porous tungsten phase composite by hydrostatic extrusion[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2010,527(21-22):5909-5914.
APA Xue, Y. F.,Wang, L.,Cheng, H. W.,Wang, F. C.,&Zhang, H. F..(2010).Shear band formation and mechanical properties of Zr38Ti17Cu10.5Co12Be22.5 bulk metallic glass/porous tungsten phase composite by hydrostatic extrusion.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,527(21-22),5909-5914.
MLA Xue, Y. F.,et al."Shear band formation and mechanical properties of Zr38Ti17Cu10.5Co12Be22.5 bulk metallic glass/porous tungsten phase composite by hydrostatic extrusion".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 527.21-22(2010):5909-5914.
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