Hybrid ANN-GA Optimization of Burnishing Parameters for Improving Surface Finish and Hardness in 6061-T6 Aluminum Alloy

Main Article Content

A. Mayai
A. Khamsupa
K. Onbut
T. Chaiyason
J. Lamwong
Y. Pookamnerd

Abstract

Improving surface finish and hardness in 6061-T6 aluminum is crucial for aerospace and automotive applications. This study presents a hybrid Artificial Neural Network–Genetic Algorithm (ANN-GA) model to optimize burnishing parameters—spindle speed, feed rate, and pressure. A full factorial design was used to analyze their effects on surface roughness and hardness. Experiments identified optimal conditions: 500 rpm, 0.3 m/min, and 2.0 GPa, achieving 0.372 µm roughness and 140.30 HV hardness. The ANN-GA model exhibited high predictive accuracy (R² = 0.9513, RMSE = 0.22), and proposed an alternative optimum at 799.02 rpm, 0.31 m/min, and 1.48 GPa. The findings confirm the effectiveness of the ANN-GA in capturing nonlinear interactions and reducing experimental trials. This integrated approach offers a robust tool for optimizing burnishing processes, particularly for high-performance components requiring superior surface integrity.

Article Details

How to Cite
Mayai, A., Khamsupa, A., Onbut, K., Chaiyason, T., Lamwong, J., & POOKAMNERD, Y. (2026). Hybrid ANN-GA Optimization of Burnishing Parameters for Improving Surface Finish and Hardness in 6061-T6 Aluminum Alloy. Journal of Research and Applications in Mechanical Engineering, 14(3), JRAME–26. retrieved from https://ph01.tci-thaijo.org/index.php/jrame/article/view/262940
Section
RESEARCH ARTICLES

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