Matches in SemOpenAlex for { <https://semopenalex.org/work/W2461749914> ?p ?o ?g. }
- W2461749914 abstract "Miniaturized products currently have a lot of applications. This work comprehensively describes electrical discharge machining (EDM) and micro-EDM and compares the types of pulse generators, electrodes and methods for calculating material removal rate (MRR), electrode wear ratio (EWR), overcut and surface roughness for these methods. Various fabrication processes of micro-electrodes are explained as well. Moreover, in this research, experiments were performed with EDM machines to produce through micro-holes in WC–16%Co using a CuW microelectrode that was fabricated on the EDM machine. Fractional factorial design was used to analyze the effects of micro-EDM parameters (voltage, current, pulse-ON time, pulse-OFF time) on the MRR, EWR surface roughness, micro-cracks, migration of material to the workpiece, and overcut. It was discovered that there is a direct relationship between micro-hole surface roughness, the burr-like recast layer at the top surface and material removal rate. The current and capacitor were found to be the most significant factors affecting MRR. Besides, the effect of pulse-ON time on EWR appeared more significant than other parameters. However, the effects of voltage, current, and capacitor seemed more significant than pulse-ON time on the amount of micro-cracks. Various machining conditions produced different amounts of overcut. C, O, and Al migrated to the recast layer at the wall of the micro-holes because aluminum powder was used in the oil-based dielectric. It can be concluded that EDM machines can be used for producing micro-holes." @default.
- W2461749914 created "2016-07-22" @default.
- W2461749914 creator A5003503516 @default.
- W2461749914 creator A5008918163 @default.
- W2461749914 creator A5051998361 @default.
- W2461749914 creator A5079124801 @default.
- W2461749914 date "2017-01-01" @default.
- W2461749914 modified "2023-09-23" @default.
- W2461749914 title "1.10 Micro-EDM Drilling of Tungsten Carbide Using Microelectrode with High Aspect Ratio to Improve MRR, EWR, and Hole Quality" @default.
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