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  Scopus ID: 21100926589

Experimental Investigation on Hardness of AA4032 Reinforced Nano Si3N4 Using Novel Encapsulate Technique

Hemachandran Bharath Ram, Lakshmaiya Natrayan and Anbalagan Saravanan

Abstract

This study compared the hardness of composites reinforced with 10% nano Si3N4 and produced using a novel encapsulation technique to as-cast AA4032. The samples for both groups were produced using the stir-casting method and a new encapsulating approach. For group 1, the combination of nano Si3N4 (10%) and AA4032 was used as a composite, while for group 2, AA4032 as-cast was used. The samples were created following ASTM E92 criteria, and their hardness was assessed using a Vickers hardness machine. In each group, there were 20 samples. G-power of 80% = 0.05 per set and a total sample size of 40 were used to calculate the sample size. The 10% nano Si3N4 filled material was the most challenging material, which was 35% tougher than the as-cast AA4032. According to the t-test statistical analysis, the mean-variance of hardness between group 1 and group 2 differs by p = 0.00 (p < 0.05). Within the constraints of this work, it is clear that the inclusion of 10% nano Si3N4 reinforcement dramatically increases the hardness of the AA4032 composite.

Published on: October 16, 2023
doi: 10.17756/nwj.2023-s3-073
Citation: Ram HB, Natrayan L, Saravanan A. 2023. Experimental Investigation on Hardness of AA4032 Reinforced Nano Si3N4 Using Novel Encapsulate Technique. NanoWorld J 9(S3): S405-S409.

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