Application Research of Al-Fe-P Master Alloy on Modifying ZL109 Alloys

Abstract:

In order to settle the environmental pollution and improve the excellent rate of products, ZL109 piston alloy modified by Al9Fe3P master alloy was prepared in factory. The microstructures and mechanical properties of ZL109 piston alloy were invested respectively. The technological parameters and modifying effect of using Al9Fe3P alloy were researched too. Experiments show that high quality of ZL109 pistons can be produced by adding 0.4~0. 5wt% Al9Fe3P master alloy at 760-770°C.The maxim and average grain size of primary Si decrease largely, less than 66μm and 40μm respectively, and the mechanical properties were improved accordingly. It was proved that Al-Fe-P master alloys have advantages such as no pollution, no reaction slag, shorter modifying time and saving energy, which would reduce the total cost of piston products. So Al-Fe-P master alloy is a promising modifier to refine ZL109 piston alloys.

• Periodical: Advanced Materials Research (Volumes 750-752)
• Pages: 655-658
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.750-752.655
• Online since: August 2013
• Authors: Guang Hui Qi*
• Keywords: Al-Fe-P Master Alloy, Heterogeneous Nucleus, Modification, ZL109 Alloy

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