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Wang G.-Q.,Yantai Taihai Marnier Nuclear Equipment Co. | Liu Z.-L.,Yantai Taihai Marnier Nuclear Equipment Co. | Sun Z.-Q.,Yantai Taihai Marnier Nuclear Equipment Co. | Liu F.-H.,Yantai Taihai Marnier Nuclear Equipment Co.
Zhuzao/Foundry | Year: 2012

The casting process of duplex stainless steel impeller for nuclear power is simulated by using ProCast software. Through the calculation of temperature and velocity field, distribution of shrinkage porosity, pore and slag is predicted, which agrees well with the actual production. On the basis of analysis, some modification is made by increasing the allowance of casting and reducing the flow rate. Using the new casting method, the shrinkage porosity, pore and slag disappear compared with the original one, and the quality of the casting is improved.

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