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has been cited by the following article:

• TITLE: Parametric Optimization of PMEDM Process using Chromium Powder Mixed Dielectric and Triangular Shape Electrodes

  AUTHORS: Kuldeep Ojha, R. K. Garg, K. K. Singh

  KEYWORDS: EDM; PMEDM; MRR; TWR; Optimization

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.10 No.11, September 12, 2011

  ABSTRACT: In this article, parametric optimization for material removal rate (MRR) and tool wear rate (TWR) study on the powder mixed electrical discharge machining (PMEDM) of EN-8 steel has been carried out. Response surface methodology (RSM) has been used to plan and analyze the experiments. Average current, duty cycle, angle of electrode and concentration of chromium powder added into dielectric fluid of EDM were chosen as process parameters to study the PMEDM performance in terms of MRR and TWR. Experiments have been performed on newly designed experimental setup developed in laboratory. Most important parameters affecting selected performance measures have been identified and effects of their variations have been observed.