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; microstructure 1 Introduction Semi-solid processing is a novel technology offering several potential advantages over casting and forging, such as reduction of macrosegregations, reduction of porosity and low... in the semi-solid state [J]. Metall Trans, 1991, 22A: 957-981. [2] KAPRANOS P, WARD P J, ATKINSON H V, KIRKWOOD D H. Near net shaping by semi-solid metal processing [J]. Mater Design, 2000, 21: 387-394......
. Semi-solid processing technology is a good alternative method in manufacturing magnesium structural components. It plays an indispensable role in forming of magnesium alloy. The most important thing is to prepare semi-solid billets during the course of semi-solid processing. At present, the main preparation methods of semi-solid billets of AZ91D magnesium alloy include mechanical stirring......
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of the solid particles. Key words: semi-solid processing; 6061Al alloy; compression deformation; microstructural evolution; thixotropic property 1 Introduction Semi-solid metal (SSM) processing has... semi-continuously[5]. SSM processing takes place between solidus and liquidus temperatures, combining the characteristics of casting and plastic deformation. At low solid volume fraction (lower than......
Trans. Nonferrous Met. Soc. China 20(2010) s973-s980 Reverse design of microstructure and application effectiveness for semi-solid processing of aluminum alloy YANG Yi-tao(杨弋涛)1, YIN Xiang-lin... aluminum alloy [J]. Foundry, 2005,54(5): 475-478 [3] YANG Yi-tao, SHAO Guang-jie, ZHANG Heng-hua, XU Luo-ping. Decennial survey on foundation and application of semi-solid processing [J]. Special......
spheroidization. References [1] FLEMINGS M C. Behavior of metal alloys in the semi-solid state [J]. Metall Trans A, 1991, A22: 957-981. [2] FAN Z. Semisolid metal processing [J]. Int Mater Rev...-solid remelting processing [J]. J Mater Sci, 2001, 36(20): 4949-4953. [17] JIANG Ju-fu, LUO Shou-jing. Reheating microstructure of refined AZ91D magnesium alloy in semi-solid state [J]. Trans Nonferrous......
and chromium, this material is distinguished by a wide temperature range between solidus and liquidus, making it suitable for the processing in semi-solid state[8]. The initial material for experiment... in the initial state after thixotropic processing. 5 Conclusions 1) Very small parts with different final shapes can be produced from conventional X210Cr12 steel by semi-solid forming process. 2......
, 141/142/143: 73-78. [8] SUGIYAMA S, LI J, YANAGIMOTO J. Semi-solid state extrusion of plain carbon steel [C]//The 8th International Conference on Semi-solid processing of Alloys and Composites. Limassol, Cyprus, 2004. [9] MIWA K, KAWAMURA S. Semi-solid extrusion forming process of stainless steel [C]//The 6th International Conference on Semi-solid processing of Alloys and Composites. Turin, Italy......
of 10.4%, can be obtained. Key words: semi-solid metal processing; wrought aluminum alloy; solidification; microstructure; mechanical property ... tearing and worse fluidity in the conventional casting processes[1]. One approach for the near-net- shape casting of wrought aluminum alloys is the application of semi-solid metal processing......
melt filling and hot tearing during the solidification in the die cavity[2]. Since the inception of semi-solid metal(SSM) processing concept in early 1970s[3], because semi-solid die casting is suitable.... Proceedings of the Seventh International Conference on Semi-Solid Processing of Alloys and Composites. Tsukuba: 2002: 51-56. [5] SUERY M, ZAVALIANGOS A. Key problems in rheology of semi-solid alloys......
