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	Effect of microstructural evolution on mechanical properties of friction stir welded AA2009/SiCp composite
	A. H. Feng ; B. L. Xiao ; Z. Y. Ma
刊名	Composites Science and Technology
	2008
卷号	68期号:9页码:2141-2148
关键词	friction stir welding metal-matrix composites (MMCS) mechanical properties powder processing fracture metal-matrix composites dynamic recrystallization aluminum alloy particles stability behavior
ISSN号	0266-3538
中文摘要	Extruded AA2009/15%/SiCp composite was friction stir welded (FSW) and subjected to subsequent post-weld T4-treatment. FSW resulted in significant grain refinement, breaking and uniform distribution of SiC particles, dissolution of coarse needle-shaped precipitates and re-precipitation in the nugget zone, thereby increasing the hardness and longitudinal and transverse strengths of the as-FSW composite joint remarkably. Post-weld T4-treatment resulted in limited grain growth and improved weld strength. Under the T4 condition, the longitudinal and transverse tensile strengths of the weld reached 82% and 95% of the base metal, respectively. The low joining efficiency under the T4 condition was associated with the formation of the Cu2FeAl7 phase. (c) 2008 Elsevier Ltd. All rights reserved.
原文出处	://WOS:000257279700026
公开日期	2012-04-13
内容类型	期刊论文
源URL	[http://210.72.142.130/handle/321006/32749]
专题	金属研究所_中国科学院金属研究所
推荐引用方式 GB/T 7714	A. H. Feng,B. L. Xiao,Z. Y. Ma. Effect of microstructural evolution on mechanical properties of friction stir welded AA2009/SiCp composite[J]. Composites Science and Technology,2008,68(9):2141-2148.
APA	A. H. Feng,B. L. Xiao,&Z. Y. Ma.(2008).Effect of microstructural evolution on mechanical properties of friction stir welded AA2009/SiCp composite.Composites Science and Technology,68(9),2141-2148.
MLA	A. H. Feng,et al."Effect of microstructural evolution on mechanical properties of friction stir welded AA2009/SiCp composite".Composites Science and Technology 68.9(2008):2141-2148.

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