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Optimization of multi passes friction stir process parameters on AA7075 Surface Hybrid Composite with reinforcement of SiC and Gr

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초록

High strength and less in weight has evidenced the high application of Aluminum 7075 in industry. Present research ofAluminum 7075 has highly aimed for surface modification for better wear rate and friction resistance. This work isparticularly carried out to modify the surface of aluminum 7075 with high mechanical properties and wear for high strengthapplications. The work contains development of AA7075 T6 with prearranged compositions of SiC & Gr by using Frictionstir processing. First, Fabrication of AA7075 with 10wt.% of SiC and 5wt.% of Gr was done with single, double and triplepass technique. Secondly, Different tests were carried out to identify suitable material fabrication technique and mechanicalcharacteristics. Based on the experimental results, 3pass FSP AA7075/SiC & Gr specimen offered better results with 156HVhardness, 268MPa tensile stress were found and process parameters are optimized.

Abstract

High strength and less in weight has evidenced the high application of Aluminum 7075 in industry. Present research ofAluminum 7075 has highly aimed for surface modification for better wear rate and friction resistance. This work isparticularly carried out to modify the surface of aluminum 7075 with high mechanical properties and wear for high strengthapplications. The work contains development of AA7075 T6 with prearranged compositions of SiC & Gr by using Frictionstir processing. First, Fabrication of AA7075 with 10wt.% of SiC and 5wt.% of Gr was done with single, double and triplepass technique. Secondly, Different tests were carried out to identify suitable material fabrication technique and mechanicalcharacteristics. Based on the experimental results, 3pass FSP AA7075/SiC & Gr specimen offered better results with 156HVhardness, 268MPa tensile stress were found and process parameters are optimized.

참고문헌 (38)

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