Study on SiС2 Nanoparticles to Aluminum Alloy Surface Performance by FSP

J.L. Wang; H.F. Wang; W.W. Song; Dun Wen Zuo; L. Zhu

doi:10.4028/www.scientific.net/KEM.693.616

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 693Study on SiС2 Nanoparticles to Aluminum Alloy...

Study on SiС₂ Nanoparticles to Aluminum Alloy Surface Performance by FSP

Abstract:

SiC₂ nanoparticles to aluminum alloy surface performance by the friction stir processing (FSP) was studied in this paper, the results showed that the SiC₂ nanoparticles to aluminum alloy surface performance by the FSP can improve the microhardness of the aluminum alloy surface, which further showed that by the method of modification aluminum alloy surface had the resistance performances of the wear and corrosion. At the same time, by the sample microstructure pictures can see, when the tool rotation speed was 1000 r/min and the welding speed was 110 mm/min, the obtained grains were tiny and the distribution of SiC₂ nanoparticles was the most uniform. When the tool rotation speed was 1000 r/min and the welding speed was 110 mm/min, the obtained grains were coarse and the distribution of SiC₂ nanoparticles was the most uneven. This showed that in FSP the main factor of generated higher friction heat was the tool of rotational speed, this was the main factors to ensure grain happen recrystallization. The fastest dissipation heat of the factor was the welding speed, this was the main factor of fine grain.

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Periodical:

Key Engineering Materials (Volume 693)

Pages:

616-620

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.693.616

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Online since:

May 2016

Authors:

J.L. Wang*, H.F. Wang, W.W. Song, Dun Wen Zuo, L. Zhu

Keywords:

5554 Aluminum Alloy, FSP, Metallographic Structure, Microhardness, SiС₂ Nanoparticles, Surface Modification

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