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Title: Plasticity-Improved Zr-Cu-Al Bulk Metallic Glass Matrix Composites Containing Martensite Phase
Author: Sun YF(孙玉峰); Wei BC(魏炳忱); Wang YR; Li WH(李维火); Cheung TL; Shek CH
Source: Applied Physics Letters
Issued Date: 2005
Volume: 87, Issue:5, Pages:Art.No.051905
Abstract: Zr48.5Cu46.5Al5 bulk metallic glass matrix composites with diameters of 3 and 4 mm were produced through water-cooled copper mold casting. Micrometer-sized bcc based B2 structured CuZr phase containing martensite plate, together with some densely distributed nanocrystalline Zr2Cu and plate-like Cu10Zr7 compound, was found embedded in a glassy matrix. The microstructure formation strongly depends on the composition and cooling rate. Room temperature compression tests reveal significant strain hardening and plastic strains of 7.7% and 6.4% before failure are obtained for the 3-mm- and 4-mm-diam samples, respectively. The formation of the martensite phase is proposed to contribute to the strain hardening and plastic deformation of the materials.
Language: 英语
Indexed Type: SCI ; EI
Corresponding Author: Shek, CH (reprint author), City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China.
Correspondent Email: apchshek@cityu.edu.hk
DOI: 10.1063/1.2006218
DOC Type: Article
WOS Subject: Physics, Applied
WOS Subject Extended: Physics
WOS Keyword Plus: AMORPHOUS-ALLOYS ; HIGH-STRENGTH ; INTERMETALLIC PHASE ; ENHANCED PLASTICITY ; MICROSTRUCTURE ; DEFECTS ; TI
WOS ID: WOS:000230886100012
ISSN: 0003-6951
Subject: 力学
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/15376
Appears in Collections:力学所知识产出(1956-2008)_期刊论文

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