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Title:
Failure mechanisms of a SiC particles 2024Al composite under dynamic loading
Author: Lu YX; Meng XM; Lee CS; Li RKY; Huang CG(黄晨光)
Source: Physica Status Solidi A-Applied Research
Issued Date: 1998
Volume: 169, Issue:1, Pages:49-55
Abstract: Dynamic mechanical response of a 20 vol% silicon carbide particles (SiCp) reinforced 2024 Al composite prepared by powder metallurgy techniques were studied with a split Hopkinson bar. The fracture mechanisms and the deformation microstructure were examined with Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM). The present results indicate that the composite has a strong SiC-Al interfacial bonding; failure of the material is mainly caused by fracture of SiC particles and tearing failure of the SiC-Al interface. This failure by interface tearing with adhesion of an aluminium layer on SiC particles on the fracture surfaces has not been reported in SiC particle-reinforced aluminium composites. High-resolution transmission electron microscopy studies showed that many of the SiC-Al interfaces have coincident site lattice structures, which are considered to make a significant contribution to the strong interfacial bonding.
Language: 英语
Indexed Type: SCI
Corresponding Author: Lu, YX (reprint author), City Univ Hong Kong, Dept Phys & Mat Sci, Tat Chee Ave, Hong Kong, Hong Kong.
DOI: 10.1002/(SICI)1521-396X(199809)169:1<49::AID-PSSA49>3.0.CO;2-9
DOC Type: Article
WOS Subject: Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS Subject Extended: Materials Science ; Physics
WOS Keyword Plus: REINFORCED ALUMINUM-ALLOY ; METAL-MATRIX COMPOSITE ; FRACTURE
WOS ID: WOS:000076351300011
ISSN: 0031-8965
Subject: 力学
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/15607
Appears in Collections:力学所知识产出(1956-2008)_期刊论文

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Recommended Citation:
Lu YX,Meng XM,Lee CS,et al. Failure mechanisms of a SiC particles 2024Al composite under dynamic loading[J]. Physica Status Solidi A-Applied Research,1998-01-01,169(1):49-55.
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