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Morphology modification of Mg2Si by Sr addition in Mg-4%Si alloy
Tang Shou-qiu1; Zhou Ji-xue1,2; Tian Chang-wen1; Yang Yuan-sheng1,2
Corresponding AuthorZhou Ji-xue(jxzhou_1982@163.com)
2011-09-01
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
Volume21Issue:9Pages:1932-1936
AbstractA modification of Mg2Si in the hypereutectic Mg-4%Si alloy (mass fraction) with Sr was investigated. Two types of Mg2Si in the alloys were found: polygonal primary Mg2Si and Chinese script type eutectic Mg2Si. Adding Al-10% Sr master alloy to the Mg-4% Si alloy clearly reduced the average size of primary Mg2Si and changed the morphology of eutectic Mg2Si from Chinese script type to polyhedral or fine fibre shape. The refinement of primary Mg2Si is mainly attributed to the heterogeneous nucleation mechanism induced by the Sr-rich particles. The modification of eutectic Mg2Si results from the dissolved Sr, which alters the preferred growth manner of the eutectic.
KeywordMg-Si alloy Al-Sr alloy Mg2Si modification refinement
Funding OrganizationNational Key Technology R&D Program of China ; Natural Science Foundation of Shandong Province, China
DOI10.1016/S1003-6326(11)60952-7
Indexed BySCI
Language英语
Funding ProjectNational Key Technology R&D Program of China[2011BAE22B00] ; Natural Science Foundation of Shandong Province, China[ZR2010EQ021] ; Natural Science Foundation of Shandong Province, China[ZR2010EL013]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000296764500004
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:40[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/105983
Collection中国科学院金属研究所
Corresponding AuthorZhou Ji-xue
Affiliation1.Shandong Acad Sci, New Mat Res Inst, Jinan 250014, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Tang Shou-qiu,Zhou Ji-xue,Tian Chang-wen,et al. Morphology modification of Mg2Si by Sr addition in Mg-4%Si alloy[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2011,21(9):1932-1936.
APA Tang Shou-qiu,Zhou Ji-xue,Tian Chang-wen,&Yang Yuan-sheng.(2011).Morphology modification of Mg2Si by Sr addition in Mg-4%Si alloy.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,21(9),1932-1936.
MLA Tang Shou-qiu,et al."Morphology modification of Mg2Si by Sr addition in Mg-4%Si alloy".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 21.9(2011):1932-1936.
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