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  Scopus ID: 21100926589

CNC Green Machining of Novel AA7475/ZrN/Fly Ash Composite Compared with and without the TiCN Coated WC Tools for Enhanced Surface Finish

Doddala Nitheesh and P. Thamizhvalavan

Abstract

This study compares the performance of two distinct tool types on the surface roughness of a lightweight composite material made of AA7475, ZrN, and fly ash. The two tool types are high-speed steel (HSS) and titanium carbonitride (TiCN) coated tungsten carbide (WC). Stir casting was used to create the composite material, and it was pre-processed to remove surface blemishes. Sixteen workpieces were machined using CNC milling at four stages with varying cutting parameters. Surface roughness was evaluated using SPSS software and statistically analyzed. Using SPSS software, surface roughness of samples was statistically analyzed by the institution. With a P value of 0.000 (p < 0.05), these findings demonstrated a statistically significant difference between the two groups. It is famous that the observations are statistically unbiased and observed without a violation. When samples are prepared with a TiCN-lined WC tool, the suggested floor roughness is less than when using an HSS tool. Within the confines of this study’s constraints, WC tools with TiCN coating have less surface roughness than HSS tools.

Published on: November 03, 2023
doi: 10.17756/nwj.2023-s3-154
Citation: Nitheesh D, Thamizhvalavan P. 2023. CNC Green Machining of Novel AA7475/ZrN/ Fly Ash Composite Compared with and without the TiCN Coated WC Tools for Enhanced Surface Finish. NanoWorld J 9(S3): S864-S868.

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