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Research on fractal characteristics of primary phase morphology in semi-solid A356 alloyZheng LIU 1,2),Xiaomei LIU 1),Chunhui HU 2) and Weimin MAO 3) 1) Faculty of Mechanical and Electronic... and Engineering,University of Science and Technology Beijing,Beijing 100083,China摘 要:Semi-solid slurry of A356 alloy was prepared by low superheat pouring and slightly......
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, squeeze casting, gravity casting, and rheo-extrusion of the semi-solid slurries prepared by the GISS process have also been conducted. The GISS process is capable of processing various alloys including cast... solid (< 0.25) into parts. This allows prompt exploitation of the benefits of semi-solid metal in several forming processes since little modifications to the current machines and processing steps......
, 22(5): 957-981. [2] MIDSON S P. The commercial status of semi-solid casting in the USA [C]// Proceedings of the 4th International Conference on Semi-Solid Processing of Alloys and Composites. Sheffield, 1996: 251-255. [3] FAN Z. Semi-solid metal processing [J]. International Materials Reviews, 2002, 47(2): 1-37 [4] KAUFMANN H, WABUSSEG H, UGGOWITZER P J. Metallurgical and processing aspects......
because of their high properties. Semi-solid processing was also introduced into them. Some earlier researches on the rheological behavior of aluminium matrix composites have been operated by a few... Trans. Nonferrous Met. Soc. China 20(2010) s883-s887 Rheological behavior of semi-solid Mg2Si/AM60 magnesium matrix composites at steady state HU Yong(胡 勇)1, HE Bo-lin(何柏林)1, YAN Hong......
that the stirring power is an important processing parameter in the preparation of the semi-solid AZ91D magnesium alloy slurry. The larger the stirring power, the finer the primary a-Mg grains, the less the rosette...Microstructural formation of semi-solid AZ91D alloy stirred by electromagnetic fieldWeimin Mao, Zisheng Zhen, Hongtao Chen, and Xueyou Zhong Materials Science and Engineering School, University......
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and the microstructural coarsening of the SIMA processed 7075 Al alloy were discussed and confirmed. Key words: thixoforming; thermomechanical processing; aluminium alloys; semi-solid metal 1 Introduction... suitable for semi-solid processing[2]. Fig.3 Microstructures of transverse section of as-deformed alloys at room temperature for different compression ratios after isothermal holding at 625......
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Numerical simulation of the preparation of semi-solid metal slurry with damper cooling tube methodHaoqiang Yang, Shuisheng Xie, and Lei Li State Key Laboratory for Fabrication and Processing of Nonferrous Metals, Beijing General Research Institute for Nonferrous Metals, Beijing 100088, China摘 要:In semi-solid forming process, preparing the slurry......
