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Effect of In-Situ TiB2 Particles on the Microstructure of Spray-Formed 70Si-Al Alloy
Zhang, Lei1,2; Gan, Guisheng1; Yang, Bin1,3
Corresponding AuthorYang, Bin(byang@ustb.edu.cn)
2011-08-01
Source PublicationMATERIALS TRANSACTIONS
ISSN1345-9678
Volume52Issue:8Pages:1646-1649
AbstractA novel reactive technique has been employed to fabricate 2.0 mass%TiB2/70Si-Al composite. The growth behavior of primary Si phase in the 2.0 mass%TiB2/70Si-Al composite was investigated when the composite was heated in its semi-solid state. Both theoretical and experimental results have shown that the in-situ TiB2 particles can refine effectively the primary Si phase and restrain the Si phase growth. The coarsening rate constant of the 2.0 mass%TiB2/70Si-Al composite was calculated as 3.69 x 10(-18) m(3)/s, which is less than that of 70Si-Al alloy (7.6 x 10(-17) m(3)/s), suggesting that the in-situ TiB2 particles can effectively pin the grain boundaries and arrest the migration of liquid film when the composite was heated in its semi-solid state. [doi:10.2320/matertrans.M2011066]
Keyword70silicon-aluminum alloy spray forming TiB2 particles grain growth
Funding OrganizationCultivation Fund of the Key Scientific and Technical Innovation Project ; Ministry of Education of China ; Beijing Municipal Natural Science Foundation ; Youth Foundation of Jiangxi Educational Committee
DOI10.2320/matertrans.M2011066
Indexed BySCI
Language英语
Funding ProjectCultivation Fund of the Key Scientific and Technical Innovation Project ; Ministry of Education of China[707007] ; Beijing Municipal Natural Science Foundation[2093040] ; Youth Foundation of Jiangxi Educational Committee[GJJ10198]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000295711700024
PublisherJAPAN INST METALS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/104004
Collection中国科学院金属研究所
Corresponding AuthorYang, Bin
Affiliation1.Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China
2.Nanchang Hangkong Univ, Sch Aeronaut Manufacture Engn, Nanchang 330063, Peoples R China
3.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Lei,Gan, Guisheng,Yang, Bin. Effect of In-Situ TiB2 Particles on the Microstructure of Spray-Formed 70Si-Al Alloy[J]. MATERIALS TRANSACTIONS,2011,52(8):1646-1649.
APA Zhang, Lei,Gan, Guisheng,&Yang, Bin.(2011).Effect of In-Situ TiB2 Particles on the Microstructure of Spray-Formed 70Si-Al Alloy.MATERIALS TRANSACTIONS,52(8),1646-1649.
MLA Zhang, Lei,et al."Effect of In-Situ TiB2 Particles on the Microstructure of Spray-Formed 70Si-Al Alloy".MATERIALS TRANSACTIONS 52.8(2011):1646-1649.
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