Investigation on over-Spray Powder of Spray Formed Al-22Si-5Fe-4Mn-3Cu-1Mg Alloy

Fu Wei Kang; Hai Chao Li; Yan Dong Jia; Jian Fei Sun; Xin Hong Zhang

doi:10.4028/www.scientific.net/AMR.690-693.2245

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 690-693Investigation on over-Spray Powder of Spray Formed...

Investigation on over-Spray Powder of Spray Formed Al-22Si-5Fe-4Mn-3Cu-1Mg Alloy

Abstract:

Al-22Si-5Fe-4Mn-3Cu-1Mg alloy billet was prepared by spray forming processing, and the morphology and microstructure development of the over-spray powder were investigated in this paper. The results show that the diameter of the most powder was about 38um. With the decreasing of the powder size, its shape became more round and surface more smooth. Heterogeneous nucleation was the main nucleation way and the microstructures were dendrite grains for the most of over-spray powder. The formation mechanisms of the different microstructures were investigated through comparison with the microstructure of the spray formed ingot.

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Periodical:

Advanced Materials Research (Volumes 690-693)

Pages:

2245-2249

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.690-693.2245

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Online since:

May 2013

Authors:

Fu Wei Kang, Hai Chao Li, Yan Dong Jia, Jian Fei Sun, Xin Hong Zhang

Keywords:

Microstructure, Morpholoy, Over-Spray Powder, Spray Forming

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