The Organization and Microhardness of the Coating of Aluminum Alloy after FSP

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Abstract:

The principle of the friction stir processed (FSP) was studied in this paper. When the rotate-speed of the mixing head is 3000r/min, as feed speed of the mixing head is 15μm / s and cutting output is 0.1mm,an influence area constituted with Fe-Al intermetallic compounds was produced between the coating of high-speed steel and Al substrate because of dynamic recovery and recrystallization.The Fe-Al intermetallic compounds can improve microhardness as hard strengthening phase.and the highest microhardness of the influence area achieved 600 HV.

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Periodical:

Advanced Materials Research (Volumes 472-475)

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2922-2925

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February 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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