2005•Unpublished venueRequires access

Influence of Combined Melt Treatment of Sr + B on the Microstructure of Al-Si Casting Alloy

Liao Heng-cheng

Abstract

The interaction between Sr and B in Al-Si alloy was investigated by observing the changes of the morphology and size of the dendritic a and eutectic silicon phases with prepared Al-Sr-B master alloy as a grain refiner and modifier. It is found that Al-Sr-B master alloy has a strong power of dendrite refinement and modification on the near-eutectic Al-Si casting alloy.

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Key concepts: Eutectic system, Alloy, Microstructure, Materials science, Dendrite (mathematics), Casting, Metallurgy, Silicon