The good effect has been gained on the hypereutectic Al Si alloys treated with some double refining and modifying agents such as P, S, RE, Sr, Na, C, etc.
采用磷、硫、稀土、锶、钠、碳等进行双重细化变质处理过共晶铝硅合金已取得了良好的效果。
Resutls also prove the best comprehensive effect on refining of steel can be obtained by the addition of MgCa-RE complex alloy.
结果还表明使用镁钙稀土复合合金可取得最佳的综合精炼效果。
Rare Earth(RE) elements possess integrated effects on modifying, refining and purifying of casting Al alloys without any pollution.
稀土合金具有变质、晶粒细化和净化铝合金的综合功能，而且对周围环境不产生任何污染。
The paper presents some results obtained from a research about effects of rare-earth(RE)and boron(B)refining on the microstructure and dezincification corrosion properties of casting lead brass.
研究了加入稀土和硼细化处理对铸造铅黄铜组织和脱锌腐蚀性能的影响。
The paper presents some results obtained from a research about effects of rare-earth(RE)and boron(B)refining on the microstructure and dezincification corrosion properties of casting lead brass.
研究了加入稀土和硼细化处理对铸造铅黄铜组织和脱锌腐蚀性能的影响。
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