期刊
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
卷 528, 期 4-5, 页码 1954-1960出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2010.10.105
关键词
Hot rolling; Reduction ratio; Bonding strength; Thickness ratio; Microstructure
类别
资金
- National Natural Science Foundation of China [50801038]
- Nanjing University of Science and Technology
In this study, 7075 Al/AZ31B Mg/7075 Al laminated composites were prepared by hot roll bonding method. Microstructure and bonding strength of the experimental laminated composites, and thickness ratio of the constituent layers after hot rolling were evaluated. Effects of reduction ratio and rolling temperature on the microstructure, bonding strength and thickness ratio were also studied. Dynamic recrystallization microstructures were observed in the composite. The bonding strength decreased with reduction ratio and rolling temperature due to the increase in the grain size and diffusion layer width with the reduction ratio and rolling temperature. The maximal bonding strength of the experimental laminated composite was 66 MPa. The thickness fraction of the Mg alloy plate after hot rolling decreased with the reduction ratio and rolling temperature. (C) 2010 Elsevier B.V. All rights reserved.
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