Volume 7 Issue 4
Dec.  2000
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Shuming Xing, Qijie Zhai, and Hanqi Hu, Effect of Process Factors on Microstructure of Semisolid Continuous Casting Billets, J. Univ. Sci. Technol. Beijing , 7(2000), No. 4, pp.242-245.
Cite this article as: Shuming Xing, Qijie Zhai, and Hanqi Hu, Effect of Process Factors on Microstructure of Semisolid Continuous Casting Billets, J. Univ. Sci. Technol. Beijing , 7(2000), No. 4, pp.242-245.
Metallurgy

Effect of Process Factors on Microstructure of Semisolid Continuous Casting Billets

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  • Semisolid continuous casting (SSCC) is a new technology to produce billets for semisolid metal forming (SSMF). The effect of process factors, such as pouring temperature, stirring rate, preheating temperature and thermal conductivity of stirring chamber, on the microstructure of SSCC billets was studied by means of the factorial experimental method. The results show that the microstructure of SSCC billets can be controlled by the above-mentioned four process factors. In order to obtain fine and rounded granular grains in an SSCC billet, the pouring temperature, preheating temperature and stirring rate should be kept in a moderate range, and the thermal conductivity of stirring chamber should be high. The regression equations with the process factors connecting the microstructure was also set up based on experimental data.

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