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  Scopus ID: 21100926589

Improvement of Surface Roughness on AA5059 Reinforced Novel Encapsulated Nano Kaolinite Metal Matrix Composite by the Drilling Process

Annadurai Kaviarasu, Lakshmaiya Natrayan and Sivakumar Vidhya Lakshmi

Abstract

This study compared the surface roughness of composites with 10% nano kaolinite and manufactured them with a novel encapsulation technique to the ascast AA5059. Utilizing a novel encapsulation technique, the stir-casting process was employed to create samples for both groups. For group 1, AA5059 was used as cast, while for group 2, a composite comprised of nano kaolinite (10%) and AA5059 was used. The samples were made following ASTM E92 specifications, and the surface roughness was assessed using a Mitutoyo surface roughness tester (SJ-410). Each group contained 20 samples. The sample size calculation was performed using a G-power of 80%, α per set = 0.05, and a total sample size of 40. The material containing 10% nano kaolinite filler exhibits the highest surface finish, which is 39% lesser than AA5059 in its as-cast state. The statistical t-test research demonstrates that there could be a significant p = 0.00 (p < 0.05) difference between group 1 and group 2’s mean variance of surface finish. Within the limitations of this study, it is manifest that the 10% nano kaolinite reinforcement significantly reduces the AA5059 composite’s surface roughness.

Published on: October 16, 2023
doi: 10.17756/nwj.2023-s3-077
Citation: Kaviarasu A, Natrayan L, Lakshmi SV. 2023. Improvement of Surface Roughness on AA5059 Reinforced Novel Encapsulated Nano Kaolinite Metal Matrix Composite by the Drilling Process. NanoWorld J 9(S3): S424-S428.

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