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Scale effects and a method to evaluate similarity in electrochemical micromachining of Nitinol
Materials and Manufacturing Processes ( IF 4.8 ) Pub Date : 2020-09-07 , DOI: 10.1080/10426914.2020.1813892
Mouliprasanth B 1 , Hariharan P 1
Affiliation  

ABSTRACT In this manuscript, Electrochemical Micromachining (ECM) is well designed with the important concept called scale effect. The main objective is to evaluate the scale effects that occur when the machining parameters is transferred from micro ECM to macro ECM. Similarity theory is used to evaluate the scale effects quantitatively. Input process parameters such as feed rate, duty ratio and voltage are taken and designed as single factor orthogonal experiments to evaluate the scale effect occurred by response parameters such as Material removal rate (MRR) and geometrical features. Utilization of this concept provides improvement in the machining performances, reduction in the energy involved and also useful in optimizing the processing parameters. The similarity precision of the micro and macro systems is calculated. A positive scale effect is observed when the output values of MRR and geometrical features are normalized. No negative scale effect is observed in experimental results.

中文翻译:

尺度效应和评估镍钛诺电化学微加工相似性的方法

摘要 在这份手稿中,电化学微加工 (ECM) 设计得很好,具有称为尺度效应的重要概念。主要目标是评估加工参数从微观 ECM 转移到宏观 ECM 时发生的尺度效应。相似理论用于定量评估规模效应。将进给速率、占空比和电压等输入工艺参数设计为单因素正交实验,以评估材料去除率 (MRR) 和几何特征等响应参数所产生的尺度效应。利用这一概念可以提高加工性能,减少所涉及的能量,也有助于优化加工参数。计算微观和宏观系统的相似精度。当 MRR 和几何特征的输出值被归一化时,观察到正的尺度效应。在实验结果中没有观察到负的规模效应。
更新日期:2020-09-07
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