What is it about?
In this study, the effects of machining parameters on the material removal rate (MRR) and surface roughness (Ra) were investigated during the cutting of Al/B4C/Gr hybrid composites by wire electrical discharge machining (WEDM). Wire speed (WS), pulse-on time (Ton) and pulse-off time (Toff) were chosen as the control factors. The L27 (33) orthogonal array in the Taguchi method was used in the experimental design and for the determination of optimum control factors. Response surface methodology was also used to determine interactions among the control factors. Variance analysis (ANOVA) was applied in the determination of the effects of control factors on the MRR and Ra.
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Why is it important?
In a survey of the literature, it was observed that not much research has been done on the WEDM of Al/B4C MMCs and no investigation has been carried out on Al/B4C/Gr hybrid composites. In this study, the effects of control factors (wire speed, pulse-on time and pulseoff time) on surface roughness and material removal rate were examined in the WEDM of Al/B4C/Gr composites with the aid of the TM and RSM. As a result of this study, the effects of the control factors of B4C/Gr hybrid reinforced composites in particular have been determined in WEDM, and these findings can serve as a reference for future studies.
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This page is a summary of: Investigation of the WEDM of Al/B4C/Gr reinforced hybrid composites using the Taguchi method and response surface methodology, Science and Engineering of Composite Materials, January 2015, De Gruyter,
DOI: 10.1515/secm-2014-0063.
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