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Effect of cooling rate and the original matrix on the thermal diffusion alloyed intermetallic layer on magnesium alloys
Lu, Dongzhu1,2; Zhang, Qichao1,2,3; Wang, Wencheng1,2,3; Guan, Fang1,2,3; Ma, Xiumin1,2; Yang, Lihui1,2; Wang, Xiutong1,2; Huang, Yanliang1,2; Hou, Baorong1,2
2017-04-15
Source PublicationMATERIALS & DESIGN
Volume120Pages:75-82
SubtypeArticle
AbstractIn order to promote the utilization of the powder thermal diffusion alloying method to protect magnesium alloys, effect of cooling rate as well as the original state of the magnesium alloy specimens including chemical composition and thickness on the as diffusion alloyed intermetallic layer was investigated. The results show that water quenched specimens could have dendritic crystals in the intermetallic layer even at a diffusion temperature lower than the Mg-Al eutectic temperature. Thinner specimens and higher Al content are preferred for the powder thermal diffusion alloying process. Morphology of the Mg17Al12 intermetallic layer with embedded alpha-Mg islands could be attributed to two main reasons, one is the decomposition of the unstable solution, and the other is liquid saturation and preferential diffusion at heterogeneous structures. (C) 2017 Elsevier Ltd. All rights reserved.
KeywordMagnesium Alloy Diffusion Alloying Intermetallic Layer Morphology Dendritic Crystal Matrix
DOI10.1016/j.matdes.2017.02.006
Indexed BySCI
Language英语
WOS IDWOS:000397365000008
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Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/136725
Collection海洋腐蚀与防护研究发展中心
Affiliation1.Inst Oceanol, Res & Dev Ctr Marine Sci & Technol, Nantong 226006, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Lu, Dongzhu,Zhang, Qichao,Wang, Wencheng,et al. Effect of cooling rate and the original matrix on the thermal diffusion alloyed intermetallic layer on magnesium alloys[J]. MATERIALS & DESIGN,2017,120:75-82.
APA Lu, Dongzhu.,Zhang, Qichao.,Wang, Wencheng.,Guan, Fang.,Ma, Xiumin.,...&Hou, Baorong.(2017).Effect of cooling rate and the original matrix on the thermal diffusion alloyed intermetallic layer on magnesium alloys.MATERIALS & DESIGN,120,75-82.
MLA Lu, Dongzhu,et al."Effect of cooling rate and the original matrix on the thermal diffusion alloyed intermetallic layer on magnesium alloys".MATERIALS & DESIGN 120(2017):75-82.
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