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本文介绍的是二种不同稀土(以下用RE表示)含量球化剂对铸件金相组织及机械性能的影响。结果表明,采用含RE1．5—1．9%的球化剂,益于获得球化等级较高的铸件,能有效防止在阀板的中心热节处和浇口部位产生反白口组织,从而得到高质量铸件。
This article describes the effect of two different rare earth (RE) content nodularizers on the microstructure and mechanical properties of the castings. The results show that the use of RE1.5-1.9% of the nodulizer benefited from the ball with a higher grade of castings can effectively prevent the valve plate at the hot section and the gate part of the anti-white tissue, Resulting in high quality castings.