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本文着重介绍以富镧稀土混合物为Al—Si共晶型合金的变质剂的作用和效果,以及在接近生产工艺的条件下的各种影响因素、并使用电子扫描电镜及电子探针对变质作用的显微组织形态进行了观察。
This article focuses on the role of lanthanum-lanthanum rare earth mixture Al-Si eutectic alloy modifier of the role and effectiveness, as well as in the process conditions close to the various factors, and the use of electronic scanning electron microscopy and electronic probe metamorphism The microstructure was observed.