Formation mechanism of in situ Al3Ti in Al matrix during hot pressing and subsequent friction stir processing

doi:10.1016/j.matchemphys.2011.08.042

IMR OpenIR

	Formation mechanism of in situ Al3Ti in Al matrix during hot pressing and subsequent friction stir processing
	Zhang, Q.; Xiao, B. L.; Wang, D.; Ma, Z. Y.
通讯作者	Ma, Z. Y.(zyma@imr.ac.cn)
	2011-11-01
发表期刊	MATERIALS CHEMISTRY AND PHYSICS
ISSN	0254-0584
卷号	130 期号:3 页码:1109-1117
摘要	In situ Al3Ti/Al composites were fabricated by a combination of vacuum hot pressing (VHP) and friction stir processing (FSP). The formation mechanism of the Al3Ti and the effect of VHP and FSP parameters on the resultant microstructure and mechanical properties were investigated. The Al3Ti formed due to the reactive diffusion between Al and Ti during VHP, and the number of Al3Ti particles increased with increasing the temperature and holding time of the VHP. FSP not only induced the Al-Ti reaction, but also resulted in significant refining of the Al3Ti, thereby creating a homogeneous distribution of Al3Ti particles in the Al matrix. These microstructural changes led to significant improvement in the tensile properties of the in situ Al3Ti/Al composite. However, the change trends of the tensile properties of the FSP samples were dependent on the extent of the Al-Ti reaction during VHP. (C) 2011 Elsevier B.V. All rights reserved.
关键词	Composite materials Intermetallic compounds Powder metallurgy Friction stir processing
资助者	National Natural Science Foundation of China ; National Basic Research Program of China ; National Outstanding Young Scientist Foundation
DOI	10.1016/j.matchemphys.2011.08.042
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[50890171] ; National Basic Research Program of China[2011CB606301] ; National Outstanding Young Scientist Foundation[50525103]
WOS研究方向	Materials Science
WOS类目	Materials Science, Multidisciplinary
WOS记录号	WOS:000296830500044
出版者	ELSEVIER SCIENCE SA
引用统计	被引频次：76[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/107214
专题	中国科学院金属研究所
通讯作者	Ma, Z. Y.
作者单位	Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Q.,Xiao, B. L.,Wang, D.,et al. Formation mechanism of in situ Al3Ti in Al matrix during hot pressing and subsequent friction stir processing[J]. MATERIALS CHEMISTRY AND PHYSICS,2011,130(3):1109-1117.
APA	Zhang, Q.,Xiao, B. L.,Wang, D.,&Ma, Z. Y..(2011).Formation mechanism of in situ Al3Ti in Al matrix during hot pressing and subsequent friction stir processing.MATERIALS CHEMISTRY AND PHYSICS,130(3),1109-1117.
MLA	Zhang, Q.,et al."Formation mechanism of in situ Al3Ti in Al matrix during hot pressing and subsequent friction stir processing".MATERIALS CHEMISTRY AND PHYSICS 130.3(2011):1109-1117.