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Glass-forming ability of Mg-Cu-Co-Y alloy
Men, H; Yang, MC; Xu, J
Corresponding AuthorMen, H()
2002
Source PublicationMETASTABLE, MECHANICALLY ALLOYED AND NANOCRYSTALLINE MATERIALS
ISSN0255-5476
Volume386-3Pages:39-46
AbstractThe element Co was added in the bulk glass-forming alloy Mg65Cu25Y10 to substitute Cu and to form Mg65Cu25xCoxY10 (x=2.5, 5, 7.5) alloys. Metallic glass strips with different thickness were prepared by a method of melt-injection casting into copper mold. Maximum thickness of complete amorphous structure was determined for the alloys. Amorphous nature of as-cast samples and crystallized phases during heating were analyzed with x-ray diffraction. The glass transition, crystallization and melting behavior of the alloys were investigated using differential scanning calorimetry. For the alloys with the Co content below 5 at. %, the glass-forming ability is comparable with the Co-free alloy. Metallic glass strip with a thickness of 2 mm can be attained. On further increasing the Co content up to 7.5 at, %, the glass-forming ability is weakened. Crystallization of the Co-containing metallic glass proceeds through a more complex process than that of the Mg65Cu25Y10 glass. With respect to the Mg65Cu25Y10 metallic glass, the partial replacement of the Cu by element Co yields a reduction of the supercooled liquid region AT, but there is no significant change in the reduced glass transition temperature T-rg.
Keywordamorphous alloys glass transition glass-forming ability Mg-based alloys
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Materials Science, Composites
WOS IDWOS:000174657900006
PublisherTRANS TECH PUBLICATIONS LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/115449
Collection中国科学院金属研究所
Corresponding AuthorMen, H
AffiliationCAS, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Men, H,Yang, MC,Xu, J. Glass-forming ability of Mg-Cu-Co-Y alloy[J]. METASTABLE, MECHANICALLY ALLOYED AND NANOCRYSTALLINE MATERIALS,2002,386-3:39-46.
APA Men, H,Yang, MC,&Xu, J.(2002).Glass-forming ability of Mg-Cu-Co-Y alloy.METASTABLE, MECHANICALLY ALLOYED AND NANOCRYSTALLINE MATERIALS,386-3,39-46.
MLA Men, H,et al."Glass-forming ability of Mg-Cu-Co-Y alloy".METASTABLE, MECHANICALLY ALLOYED AND NANOCRYSTALLINE MATERIALS 386-3(2002):39-46.
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