Experimental Investigation on Electrochemical Discharge Machining of Zirconia

Manoharan, Vijay; Sekar, T.; Natarajan, Elango; Ponnusamy, Prasanth

doi:10.1007/978-981-16-4222-7_4

Cited by 3 publications

(1 citation statement)

References 15 publications

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“…e formation of surface cracks was due to high uctuating stresses applied during the process of machining. Similar kind of observation was reported on wire EDM machine surfaces [27][28][29][30][31].…”

Section: Field Emission Scanning Electron Microscopy (Fesem)supporting

confidence: 84%

Experimental Investigation of Heat-Treated Tool on Wire Electric Discharge Machining of Titanium Alloy (Ti-6Al-4V)

Samson

Sridhar

Ranjith

et al. 2022

Advances in Materials Science and Engineering

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Ti-6Al-4V is known for its lightweight, high tensile strength, exceptional corrosion resistance, and low thermal coefficient of expansion due to which it finds its application in precision surgical instruments and aeronautical and marine engine parts. In this study, Ti-6Al-4V has been machined using wire EDM machine with two different wire materials. The wire thickness of 0.25 mm heat-treated brass and zinc-coated brass tool and super cool oil as dielectric fluid were utilized for the machining process. Taguchi L9 orthogonal array was used. Ton (Pulse ON time), Toff (Pulse OFF time), wire feed, and Ip (Current) were the input parameters, and the response parameters such as surface roughness (Ra), material removal rate (MRR), tool wear rate (TWR), and recast layer thickness were optimized by TOPSIS optimization. From the results, higher tool wear rate was observed in brass tool. The titanium percentage after machining was found to be 55.05% for zinc-coated brass wire, whereas it was 51.58% for brass wire. Better productivity and surface integrity were observed in zinc-coated brass tool compared to heat-treated brass. MRR increased to 54.93%, surface roughness decreased to 2.40%, recast layer thickness increased to 3.44%, and tool wear rate was increased to 47.96%.

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Section: Field Emission Scanning Electron Microscopy (Fesem)supporting

confidence: 84%

Experimental Investigation of Heat-Treated Tool on Wire Electric Discharge Machining of Titanium Alloy (Ti-6Al-4V)

Samson

Sridhar

Ranjith

et al. 2022

Advances in Materials Science and Engineering

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Electric Discharge Drilling of Ti-6Al-4 V with O2 as Dielectric Medium

Pragadish

Natarajan

Selvam

et al. 2022

Materials, Design and Manufacturing for Sustainable Environment

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Optimization and effect of dielectric fluid with Zr and Ni on electrical discharge machining of die steel material

Appadurai¹,

Ganesan²,

Rangasamy³

et al. 2023

CI&CEQ

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This present work is aimed to optimize the machining parameters and study the effect of powder mixed dielectric fluid on EDM process. TOPSIS method of optimization is adopted to identify the optimal machining parameters. HCHCr die steel is preferred as machining material. Ni, Zr and Ni+Zr were selected as powder inclusion in dielectric fluid due to hard and ductile nature. L9 array Taguchi DOE is preferred to perform the experiments with parameters like peak off time, pulse off time and pulse current. TOPSIS study revealed that, third level of powder dielectric fluid (Ni+Zr), 7A peak current, 9 ?s pulse on time and 2 ?s pulse off time were specified as optimal condition. Pulse on time (Ton) was having high impact on MRR and Ra while performing machining operation on HCHCr die steel. SEM analysis was done to find the effect of powder mixed dielectric fluid while EDAX analysis was done to ensure the presence of powder inclusion.

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Experimental Investigation on Electrochemical Discharge Machining of Zirconia

Cited by 3 publications

References 15 publications

Experimental Investigation of Heat-Treated Tool on Wire Electric Discharge Machining of Titanium Alloy (Ti-6Al-4V)

Experimental Investigation of Heat-Treated Tool on Wire Electric Discharge Machining of Titanium Alloy (Ti-6Al-4V)

Electric Discharge Drilling of Ti-6Al-4 V with O2 as Dielectric Medium

Optimization and effect of dielectric fluid with Zr and Ni on electrical discharge machining of die steel material

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