Machining of titanium and titanium alloys by electric discharge machining process: a review

Gupta, Vivudh; Singh, Brahmjit; Mishra, R. K.

doi:10.1504/ijmmm.2020.105661

Cited by 9 publications

(5 citation statements)

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“…The spark removal directly affects the removal of material. Gupta et al [28] also concluded that when the Toff is increased there is reduction in MRR. When the voltage was increased from 20 to 90 V, there was more heat generation, which directly results in the removal of material.…”

Section: Materials Removal Ratementioning

confidence: 96%

Investigation of surface roughness and material removal rate of WEDM of SS304 using ANOVA and regression models

Srinivasan¹,

Ganesh²,

D³

et al. 2022

Surf. Topogr.: Metrol. Prop.

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Use of machine learning and artificial intelligence (AI) to analyze the complex interdependencies of production dataset has gained momentum in recent years. Machine learning and predictive algorithms are now used by manufacturers to fine-tune the quality of their products. WEDM of SS304 with process parameters such as pulse-on-time (Ton), pulse-off-time (T off), current (I), and voltage (V) was varied to study the effect of machining parameters such as Material Removal Rate (MRR) and surface roughness. Experiments were planned and executed according to the L’9 orthogonal array. Scanning Electron Microscope (SEM) was utilized to study the machined surface. An analysis of variance (ANOVA) was performed to determine the input and output significance. ANOVA results revealed that V (81.85%) and Toff (77.75 %) for surface roughness. Further to determine the relationship between variables, various regression models based on machine learning was tested. The effectiveness of the regression models were tested. From their output it was concluded that the multilayer perception model had the highest correlation coefficient (0.999) for MRR while for surface roughness it was (0.995).

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Section: Materials Removal Ratementioning

confidence: 96%

Investigation of surface roughness and material removal rate of WEDM of SS304 using ANOVA and regression models

Srinivasan¹,

Ganesh²,

D³

et al. 2022

Surf. Topogr.: Metrol. Prop.

View full text Add to dashboard Cite

show abstract

“…Wire Cutting EDM: The electric discharge machining (EDM) process is a non-traditional thermal-based machining technique commonly employed for machining hard materials like ceramics and superalloys [42]. Authors in [18] used Wire-cutting EDM fabrication technology to create a compact and highly efficient circularly polarized conical horn antenna.…”

Section: Cnc (Computer Numerical Control) Machiningmentioning

confidence: 99%

Exploring Next-Generation Antenna Designs: A Literature Review on Antenna Design for 6G Applications

Cahigan,

Pascasio,

Arboleda

2024

Preprint

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This literature review offers a comprehensive analysis of antenna designs tailored for 6G applications and THz communications. Various antenna types, including elliptical lens, WHEMS, grid array, CP horn, Quasi Yagi-Uda, patch, transmit array, Vivaldi patch, SRR slotted waveguide array, RCA, and Cassegrain antennas, are scrutinized in terms of their dimensions, characteristics, frequency ranges, and materials. The study highlights existing works on antenna design for 6G applications, exploring different fabrication techniques like PCB technology, LCP technology, Topas fabrication, Wire-cutting EDM, 3D Printing, Laser-drilling processes, and CNC machining. Notably, PCB technology exhibited promise with antennas such as WHEMS, patch, and Vivaldi patch, achieving significant bandwidth and gain. However, gaps remain in research, urging further exploration into additional fabrication methods and antenna designs to meet the demands of 6G networks. The study underlines the need for advanced, intelligent antennas capable of higher bandwidth and better performance in view of future wireless communications technologies such as 6G.

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“…For EDM, a die sinking process was selected, using a flat copper electrode and a commercial dielectric fluid specific for EDM (Electroflux TE), side flushing. According to preliminary tests, manufacturer's advice, and literature [15], pulse duration (tON) and pulse interval (tOFF) were set respectively equal to 25 µs and 16 µs, while a voltage of 135 V was employed, reaching a discharge current up to 2 A.…”

Section: Metallic Substrate Processingmentioning

confidence: 99%

Effects of Ti6Al4V mechanical and thermal surface modification on the adhesion of a chitosan-bioactive glass coating

Sanguedolce

Rotella

Curcio

et al. 2023

Int J Adv Manuf Technol

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Biomedical implants interact with human tissues introducing significant perturbation into the body. Implant surfaces can be then functionalized enabling better biocompatibility. At the same time, the additional use of a coating provides further functions such as corrosion protection, osteointegration, and drug delivery. In this context, a composite made of chitosan and bioactive glass nanoparticles has been used for coating Ti6Al4V alloy samples processed beforehand using different processes, i.e., polishing, milling, grit blasting, and electrical discharge machining. Experiments have been carried out to correlate substrate surface conditions and coating effectiveness in terms of scratch resistance with the final aim to obtain suitable guidelines to improve substrate-coating performances. Graphical Abstract

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Machining of titanium and titanium alloys by electric discharge machining process: a review

Cited by 9 publications

References 0 publications

Investigation of surface roughness and material removal rate of WEDM of SS304 using ANOVA and regression models

Investigation of surface roughness and material removal rate of WEDM of SS304 using ANOVA and regression models

Exploring Next-Generation Antenna Designs: A Literature Review on Antenna Design for 6G Applications

Effects of Ti6Al4V mechanical and thermal surface modification on the adhesion of a chitosan-bioactive glass coating

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