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      Excellent cold rollability in a single pass of an Mg-4Er (wt.%) alloy

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          Abstract

          Sheets of Mg-4Er (wt.%) alloy were prepared by multi-pass hot rolling and subsequent annealing. The annealed sheets could be cold-rolled to a high reduction of 95% (corresponding to a rolling strain of 3) by one-pass rolling at room temperature. The evolution of the deformed microstructure of Mg-4Er alloy was investigated during the cold-rolling process. The results suggest that multiple dislocation slips are the predominant deformation mode responsible for the remarkable rolling plastic strain. Meanwhile, the multiple dislocation slips are favorable to a continuous restoration process, which can accommodate the rolling strain by absorbing the deformation energy.

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          Excellent cold rollability in a single pass of an Mg-4Er (wt.%) alloy

           X. H. Du,  M. Hong,  G Duan (2015)
          Sheets of Mg-4Er (wt.%) alloy were prepared by multi-pass hot rolling and subsequent annealing. The annealed sheets could be cold-rolled to a high reduction of 95% (corresponding to a rolling strain of 3) by one-pass rolling at room temperature. The evolution of the deformed microstructure of Mg-4Er alloy was investigated during the cold-rolling process. The results suggest that multiple dislocation slips are the predominant deformation mode responsible for the remarkable rolling plastic strain. Meanwhile, the multiple dislocation slips are favorable to a continuous restoration process, which can accommodate the rolling strain by absorbing the deformation energy.
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            Author and article information

            Journal
            ijmr
            International Journal of Materials Research
            Carl Hanser Verlag
            1862-5282
            2195-8556
            9 January 2015
            : 106
            : 1
            : 15-21
            Affiliations
            a Shenyang Aerospace University, School of Materials Science and Engineering, Shenyang, China
            b Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), Northeastern University, Shenyang, China
            c LEM3 UMR CNRS 7239, Université de Lorraine, Metz, France
            d Laboratory of Excellence on Design of Alloy Metals for Low-Mass Structures (DAMAS), Université de Lorraine, Metz, France
            Author notes
            [* ] Correspondence address, Professor Baolin Wu, School of Materials Science and Engineering, Shenyang Aerospace University, South Avenue of Daoyi, 110136, Shenyang, China. Tel.: +86-24-89728701, Fax: +86-24-89728729, E-mail: wubaolin@ 123456aliyun.com
            Article
            MK111143
            10.3139/146.111143
            © 2015, Carl Hanser Verlag, München
            Page count
            References: 31, Pages: 7
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