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Feasibility Analysis of Powder-Mixed Deionized Water as Dielectric for Machining Ti6Al4V
https://orcid.org/http://orcid.org/0000-0003-1063-2944
This manuscript presents the feasibility of using deionized water mixed with abrasive powder as dielectric medium for machining of hard to cut titanium alloy. Ti6Al4V is a two-phase (α + β) titanium alloy and has properties like high strength, low weight and exceptional corrosion resistance. However, these alloys are difficult to machine by conventional machining, owing to their mechanical characteristics. EDM is thermoelectric process used to machine any electrically conductive material irrespective of its hardness and appears to be suitable alternate for machining of Ti6Al4V. In the present research, EDM’s surface characteristics are explored using alumina—Al2O3 and silicon carbide—SiC powder-mixed deionized water as a dielectric on Ti6Al4V. A response surface method is used to study the relationships between process parameters and response parameters. The surface characteristics were appraised by scanning electron microscopic images. Based on the results, a relationship is established between the parameters used for conducting the experiments. Surface roughness, material removal rate and tool wear rate are found to have a significant effect with reference to change in the peak current and pulse ON time. Another recorded observation is the effect of pulse off time and powder concentration that proves to be significant in the improvement of surface roughness.
Feasibility Analysis of Powder-Mixed Deionized Water as Dielectric for Machining Ti6Al4V
https://orcid.org/http://orcid.org/0000-0003-1063-2944
This manuscript presents the feasibility of using deionized water mixed with abrasive powder as dielectric medium for machining of hard to cut titanium alloy. Ti6Al4V is a two-phase (α + β) titanium alloy and has properties like high strength, low weight and exceptional corrosion resistance. However, these alloys are difficult to machine by conventional machining, owing to their mechanical characteristics. EDM is thermoelectric process used to machine any electrically conductive material irrespective of its hardness and appears to be suitable alternate for machining of Ti6Al4V. In the present research, EDM’s surface characteristics are explored using alumina—Al2O3 and silicon carbide—SiC powder-mixed deionized water as a dielectric on Ti6Al4V. A response surface method is used to study the relationships between process parameters and response parameters. The surface characteristics were appraised by scanning electron microscopic images. Based on the results, a relationship is established between the parameters used for conducting the experiments. Surface roughness, material removal rate and tool wear rate are found to have a significant effect with reference to change in the peak current and pulse ON time. Another recorded observation is the effect of pulse off time and powder concentration that proves to be significant in the improvement of surface roughness.
Feasibility Analysis of Powder-Mixed Deionized Water as Dielectric for Machining Ti6Al4V
https://orcid.org/http://orcid.org/0000-0003-1063-2944
This manuscript presents the feasibility of using deionized water mixed with abrasive powder as dielectric medium for machining of hard to cut titanium alloy. Ti6Al4V is a two-phase (α + β) titanium alloy and has properties like high strength, low weight and exceptional corrosion resistance. However, these alloys are difficult to machine by conventional machining, owing to their mechanical characteristics. EDM is thermoelectric process used to machine any electrically conductive material irrespective of its hardness and appears to be suitable alternate for machining of Ti6Al4V. In the present research, EDM’s surface characteristics are explored using alumina—Al2O3 and silicon carbide—SiC powder-mixed deionized water as a dielectric on Ti6Al4V. A response surface method is used to study the relationships between process parameters and response parameters. The surface characteristics were appraised by scanning electron microscopic images. Based on the results, a relationship is established between the parameters used for conducting the experiments. Surface roughness, material removal rate and tool wear rate are found to have a significant effect with reference to change in the peak current and pulse ON time. Another recorded observation is the effect of pulse off time and powder concentration that proves to be significant in the improvement of surface roughness.
Feasibility Analysis of Powder-Mixed Deionized Water as Dielectric for Machining Ti6Al4V
J. Inst. Eng. India Ser. C
Joshi, Ayanesh Y. (author) / Joshi, Anand Y. (author)
Journal of The Institution of Engineers (India): Series C ; 102 ; 337-347
2021-04-01
11 pages
Article (Journal)
Electronic Resource
English
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