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Fabrication and Machinability Study of Al2219 Metal Matrix Composites Reinforced with SiN/MoS2 Nanoparticles

Sri Sairam Engineering College-Vetri Velmurugan Kannan
Vellore Institute of Technology-Venkatesan Kannan, Devendiran Sundararajan, Akshay Seth, Navya Sood, Aditya Babu
Published 2019-10-11 by SAE International in United States
Composites materials are substituting constituents for traditional materials due to their remarkable properties, and the addition of nanoparticles gives a new development in the material domain. The nanoparticles influence on fabrication and machinability investigation study is essential as the composites to be used in applications like automotive and aerospace. The current study investigates the machinability characteristics of Al2219 based metal composites reinforced with nanoparticles of SiN/MoS2. Al2219- reinforcements (SiN and MoS2) composites are fabricated by the method of stir casting. Four different compositions (Al2219/SiN (2 wt% and 4 wt%), , Al2219/2 wt.% SiN/ 2 wt.% MoS2, Al2219/2 wt.% MoS2) are fabricated by varying the different weight percentages of nanoparticles reinforcements. An attempt is made to study the investigation analysis of force, surface roughness, and tool wear using CNC machine lathe to consider the effect of cutting speed, cutting depth, and samples. The machinability test is carried out, and the performance is compared. Addition of 2 wt% of SiN in Al2219 is to increase the hardness of nearly about 21%, 14%, 40% compared to that of…
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