Performance Optimization of Electrochemical Machining Parameters on Aluminum Metal Matrix Composite

IF 0.9 Q3 Engineering Surface Engineering and Applied Electrochemistry Pub Date : 2023-12-14 DOI:10.3103/s1068375523060157

N. Rajan, M. Naga Swapna Sri, P. Anusha, R. Thanigaivelan, S. Vijayakumar

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Abstract

The aluminum metal matrix composite (AMMC) is now occupying an irreplaceable space in various industries due its advantages such as a great strength to the weight ratio, good wear resistance, and a reduced density. In this paper, the AMMC was developed using aluminum 7075 reinforced with 5 and 10% boron carbide. The L₁₈ orthogonal array was used for conducting the electrochemical micromachining experiments. The AMMC was a wire cut into thin sheets; and specimen 1 designates the AMMC with 5% boron carbide, and specimen 2 designates the AMMC with 10% boron carbide. The tool electrode was of a diameter of 0.5 mm, and sodium nitrate was used as an electrolyte. The technique for order of preference by similarity to ideal solution and the principal component analysis were utilised in order to find out the best parameter combination on the machining speed, the diametral overcut, and the delamination factor. The electrolyte concentration of 35 g/L, the voltage of 11 V, and the duty cycle of 70% were found to be the optimal combination for the machining speed, the diametral overcut, and the delamination factor in specimen 1. The ANOVA analysis results showed that the duty cycle is a significant factor, with its 53.5% contribution.

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铝金属基复合材料电化学加工参数的性能优化

摘要铝金属基复合材料(AMMC)以其强度比重量比大、耐磨性好、密度小等优点，在各行业中占据着不可替代的地位。本文采用5%和10%碳化硼增强7075铝合金，研制了复合材料复合材料(AMMC)。采用L18正交阵列进行了电化学微加工实验。AMMC是一根切成薄片的电线;试件1为含5%碳化硼的AMMC，试件2为含10%碳化硼的AMMC。工具电极直径为0.5 mm，使用硝酸钠作为电解液。利用与理想溶液相似度优先排序法和主成分分析法，找出加工速度、直径过切量和分层系数的最佳参数组合。在样品1中，电解液浓度为35 g/L，电压为11 V，占空比为70%是加工速度、直径过切和分层系数的最佳组合。方差分析结果表明，占空比是一个显著的因素，其贡献为53.5%。

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来源期刊

Surface Engineering and Applied Electrochemistry Engineering-Industrial and Manufacturing Engineering

CiteScore

1.60

自引率

22.20%

发文量

期刊介绍： Surface Engineering and Applied Electrochemistry is a journal that publishes original and review articles on theory and applications of electroerosion and electrochemical methods for the treatment of materials; physical and chemical methods for the preparation of macro-, micro-, and nanomaterials and their properties; electrical processes in engineering, chemistry, and methods for the processing of biological products and food; and application electromagnetic fields in biological systems.