Materials Reports 2020, Vol. 34 Issue (Z1): 345-350 |
METALS AND METAL MATRIX COMPOSITES |
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Development of ECAP Process to the Aluminum Matrix Fine Grain Material |
TENG Shuman1, TENG Haihao2
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1 Guangxi Liuzhou Iron & Steel Group Co.,Ltd, Liuzhou 545002, China; 2 College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China |
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Abstract In recent years, aluminum-matrix materials have been widely used in industry due to their high specific strength and fracture toughness. At pre-sent, severe plastic deformation (SPD) is the most effective process for fine crystallization of metals. Equal channel angel pressing (ECAP) has attracted much attention due to its stable preparation of ultrafine or nanocrystalline aluminum matrix materials with good comprehensive pro-perties. In this paper, the research progress of the preparation of aluminum-matrix fine-grained materials by ECAP technology is reviewed. The influence of process parameters such as extrusion temperature, friction coefficient, extrusion speed, extrusion path and back pressure on ECAP process of aluminum-matrix materials is comprehensively discussed by using finite element simulation and experiment. Through the analysis of the latest ECAP technology achievements at home and abroad, the possible development direction of this technology is prospected.
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Published: 01 July 2020
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About author:: Shuman Teng, professor engineer. Graduated from Wuhan Iron and Steel Institute (now Wuhan University of science and Technology) in 1988. The first author published 15 papers and 17 national invention patents in domestic and foreign academic journals. His research directions include metal material smelting and proces-sing process optimization, and participated in a number of provincial and municipal key project construction and transformation ; Haihao Teng, graduated from the school of materials science and engineering of Jilin University in 2019 with a Bachelor of engineering degree. At present, he is a master's degree student in the School of Material Science and Engineering, Chongqing University. His research directions include metal plastic forming simulation technology and mold additive manufacturing technology. |
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