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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.
Corresponding AuthorMa, Z. Y.(zyma@imr.ac.cn)
2011-11-01
Source PublicationMATERIALS CHEMISTRY AND PHYSICS
ISSN0254-0584
Volume130Issue:3Pages:1109-1117
AbstractIn 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.
KeywordComposite materials Intermetallic compounds Powder metallurgy Friction stir processing
Funding OrganizationNational Natural Science Foundation of China ; National Basic Research Program of China ; National Outstanding Young Scientist Foundation
DOI10.1016/j.matchemphys.2011.08.042
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[50890171] ; National Basic Research Program of China[2011CB606301] ; National Outstanding Young Scientist Foundation[50525103]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000296830500044
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:58[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/107214
Collection中国科学院金属研究所
Corresponding AuthorMa, Z. Y.
AffiliationChinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
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.
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