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particle-free zone, which is not involved in the numerical model. Key words: electromagnetic centrifugal casting; numerical model; particle distribution; composite  ... on the particle distribution. As an innovated method, electromagnetic centrifugal casting that involves a static magnetic field to arise an electromagnetic stirring to the solidifying melts, has been......
to the uniformity of mechanical performance on the whole casting. Fig.4 Distribution of grain size on cross section of sample under different conditions The microstructure of the AZ91D alloy... reliably achieved[4]. Applying electromagnetic vibration to solidification of metals is a new method developed in recent years. VIV?S[5-7] applied an electromagnetic vibration to commercial aluminum......
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electrochemical polarization. The results show that the permanent-magnet stirring refines the microstructure of AZ61 magnesium alloy, which improves the precipitation amount and distribution uniformity of β... in continuous casting of round strands [J]. Metall Trans, 1986, B17: 119-131. [4]CAO Zhi-qiang, ZHANG Xing-guo, JIA Fei. Microstructures and mechanical characteristics of EMC and DCC 2024 aluminum alloys[J......
Trans. Nonferrous Met. Soc. China 20(2010) s744-s748 Microstructure of semi-solid ADC12 aluminum alloy adopting new SIMA method WANG Zhen-yu(王振宇), JI Ze-sheng(吉泽升), SUN Li-xin(孙丽鑫... studied. The effect of the isothermal treatment on the semi-solid microstructure evolution of ADC12 aluminum alloy prepared by the new method was analyzed. A series of heating treatments were carried......
[J]. 中国有色金属学报, 2003, 13(5): 1184-1191. ZHANG Qin, CUI Jian-zhong, LU Gui-min, et al. Microstructure and solute distribution of 7075 alloy produced by semi continuous casting under electromagnetic...; microstructure; low frequency electromagnetic casting; high-strength Al alloy 作为航空, 航天一些器件主要结构材料的超高强铝合金,因其强度和韧性很难协调, 制约了其更为广泛的应用. 采用特殊的工艺, 加入更多的强化合金元素来提高合金的强度, 又不降低合金的韧性, 已成为研究开发超高强高韧铝合金的热点[1]. 在......
in a forced flow [J]. Phy Rev E, 2001, 63(6): 1-16. [7] ZHANG G Y, JING T, LIU B C. Microstructure simulation of aluminum alloy casting using phase field method [J]. Int J Cast Metal Res, 2002, 15(13... with complicate solution models [J]. Trans Nonferrous Met Soc China, 2005, 15(4): 769-776. [10] SPITTLE J A, BROWN S G R. Computer simulation of the effects of alloy variables on the grain structure of castings......
of 10.4%, can be obtained. Key words: semi-solid metal processing; wrought aluminum alloy; solidification; microstructure; mechanical property  ..., and about 22 s for microstructure evolution in the slurry holder. In order to demonstrate advantages of LSPSF process, the direct squeeze casting test for cup-shaped part of wrought aluminum alloy 2024......
May 2010; accepted 25 June 2010 Abstract: A computational model coupling an electromagnetic model with a macroscopic heat and fluid flow model in semi-solid aluminum alloy slurry preparation... A357 aluminum alloy slurry [J]. Acta Metallurgica Sinica, 2009, 22(6): 408-414. [5] CHEN Xing-run, ZHANG Zhi-feng, XU Jun, SHI Li-kai. Numerical simulation of electromagnetic field in semi-solid......
Flow stress and microstructure evolution of semi-continuous casting AZ70 Mg-alloy during hot compression deformation GUAN Shao-kang(关绍康), WU Li-hong(吴立鸿), WANG Li-guo(王利国) School of Materials... alloy billet prepared by using a semi-continuous casting method, followed by homogeneous annealing in air at 410 ℃ for 10-15 h. The chemical compositions of 7.12%Al, 0.37%Zn, 0.22%Mn, 0.01%Si, ≤0.005......