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In situ formation of various intermetallic particles in Al-Ti-X(Cu, Mg) systems during friction stir processing
Q. Zhang; B. L. Xiao; Z. Y. Ma
2013
Source PublicationIntermetallics
ISSN0966-9795
Volume40Pages:36-44
AbstractIn situ Al composites reinforced by various intermetallic particles were fabricated from Al-Ti-X(Cu, Mg) systems by hot pressing, forging and subsequent 4-pass friction stir processing (FSP). The formation of various intermetallic particles during FSP and the tensile properties of in situ composites were investigated. For Al-Ti-Cu system, Cu enhanced the Al-Ti reaction and resulted in the formation of more Al3Ti particles due to the presence of a small amount of liquid phase during FSP. After FSP, part of Cu was kept in the Al matrix as solute, whereas the other formed Al2Cu particles. For Al-Ti-Mg system, except for Al3Ti, some Ti2Mg3Al18 particles with fine twin lamellas were formed during FSP, resulting in an increase in the total volume fraction of reinforcing particles. Cu and Mg addition increased the strength of the in situ composites substantially due to introduction of more strengthening modes and more reinforcing particles, however the elongation decreased dramatically. (C) 2013 Elsevier Ltd. All rights reserved.
description.department[zhang, q. ; xiao, b. l. ; ma, z. y.] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. [zhang, q.] univ sci & technol china, hefei 230026, peoples r china. ; ma, zy (reprint author), chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china. ; zyma@imr.ac.cn
KeywordComposites Aluminides, Miscellaneous Dispersion Strengthening Phase Identification Reaction Synthesis Aluminum-matrix Composites Mechanical-properties Alloys Strength Microstructure Boundaries Behavior Phase
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71690
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Q. Zhang,B. L. Xiao,Z. Y. Ma. In situ formation of various intermetallic particles in Al-Ti-X(Cu, Mg) systems during friction stir processing[J]. Intermetallics,2013,40:36-44.
APA Q. Zhang,B. L. Xiao,&Z. Y. Ma.(2013).In situ formation of various intermetallic particles in Al-Ti-X(Cu, Mg) systems during friction stir processing.Intermetallics,40,36-44.
MLA Q. Zhang,et al."In situ formation of various intermetallic particles in Al-Ti-X(Cu, Mg) systems during friction stir processing".Intermetallics 40(2013):36-44.
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