Effect of Rare Earth Metals on Diffusion and Porosity Deformation of Al-11Si-2Cu Cast Alloy

Abstract:

The effect of rare earth additions on diffusion and porosity deformation of Al-11Si-Cu alloy was investigated. The microstructure was characterized by optical microscope. By adding small amount of La and Ce, the porosity can be reduced. As the amount of La and Ce were increased, the porosity defects were diffused and increased in microstructure. RE intermetallic indicates Al-Cu phase interrupted the quality of Al-Si-Cu casting alloy.

• Periodical: Advanced Materials Research (Volume 1133)
• Pages: 305-309
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1133.305
• Online since: January 2016
• Authors: Roslee Ahmad*, M.B.A. Asmael
• Keywords: Aluminium, Cerium, Lanthanum, Porosity

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