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用不同的工具电极对Ti6Al4V进行EDM参数的性能评估和多目标优化

Manoj Jagdale¹, Masuk Abdullah², Nitin Ambhore³

¹Department of Mechanical Engineering, Vishwakarma Institute of Information Technology, Savitribai Phule Pune University (SPPU), Pune, 411048, India.

Scientific reports

|August 18, 2025

概括

石墨电极在Ti6Al4V合金的电放电加工 (EDM) 中提供了卓越的性能,实现了高材料去除率和低工具磨损. 基于教学优化 (TLBO) 算法有效地优化了对这种难以切割的材料的EDM参数.

科学领域:

材料科学材料科学材料科学
制造业工程制造工程

背景情况:

Ti6Al4V合金在航空航天和生物医学领域至关重要,但由于其加工能力差,机械加工具有挑战性.
电放电加工 (EDM) 是一种可行的非传统方法,用于处理难以切割的材料,如Ti6Al4V.
工具电极材料和工艺参数显著影响EDM的效率和结果.

研究的目的:

实验研究石墨,铜和黄铜电极对Ti6Al4V合金的EDM性能的影响.
为了优化关键的EDM参数 (脉冲启动时间,脉冲关闭时间,电流) 的Ti6Al4V加工.
评估和比较基于教学优化 (TLBO) 算法的优化EDM的有效性.

主要方法:

使用Taguchi的L9直角阵列的实验设计.
差异分析 (ANOVA) 分析以确定因子的显著性.
使用TLBO算法优化材料去除率 (MRR),工具磨损率 (TWR),表面粗度 (SR) 和尺寸偏差 (DD).
扫描电子显微镜 (SEM) 用于表面形态分析.

主要成果:

石墨电极产生了最高的MRR (31.03 mm3/min),最低的TWR (0.4648 mm3/min) 和最小的尺寸偏差 (101.76 μm).
铜电极导致了最光滑的表面表面 (SR = 3.19 μm).
TLBO算法在预测和实验结果之间显示出良好的一致性,验证了其优化能力.
SEM分析证实了使用石墨电极的优越表面完整性.

结论:

石墨是优化MRR,TWR和DD在Ti6Al4V的EDM中最有效的电极材料.
TLBO算法是优化EDM等复杂加工过程的强大工具.
这些发现为选择高效的Ti6Al4V加工电极和参数提供了实用见解.

关键词:

黄铜工具的工具是黄铜的铜工具铜工具铜工具电气放电机械加工电气放电机械石墨的工具是石墨的工具.优化优化优化优化这是一种Ti6Al4V合金.

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