LAPSE:2023.4673
Published Article
LAPSE:2023.4673
Electrical Discharge Coating a Potential Surface Engineering Technique: A State of the Art
February 23, 2023
Abstract
Electrical discharge coating (EDC) process is used to deposit material on workpiece surface from sacrificial or green compact tool electrode in an electrical discharge machine. The paper presents the mechanism of EDC using green compact electrode and powder mixed dielectric methods. The tool electrode material, electrode size, process parameters, and type of dielectrics can directly affect the surface integrity of workpiece. Here, a process map of EDC as a function of process parameters, its classification, advantages, and applications for a wide range of engineering materials offers a proper template for the evaluation of coating phenomena. This study shows that EDC is an economic process as compared to other costlier techniques. Additionally, the effect of various EDM and EDC parameters on surface integrity and tribological behavior of deposited coatings is studied with their pros and cons. Finally, the current research trends of EDC and its challenges are elaborated.
Electrical discharge coating (EDC) process is used to deposit material on workpiece surface from sacrificial or green compact tool electrode in an electrical discharge machine. The paper presents the mechanism of EDC using green compact electrode and powder mixed dielectric methods. The tool electrode material, electrode size, process parameters, and type of dielectrics can directly affect the surface integrity of workpiece. Here, a process map of EDC as a function of process parameters, its classification, advantages, and applications for a wide range of engineering materials offers a proper template for the evaluation of coating phenomena. This study shows that EDC is an economic process as compared to other costlier techniques. Additionally, the effect of various EDM and EDC parameters on surface integrity and tribological behavior of deposited coatings is studied with their pros and cons. Finally, the current research trends of EDC and its challenges are elaborated.
Record ID
Keywords
coating, current, EDC, EDM, green compact, hardness, morphology, powder mixed dielectric, surface modification, wear
Subject
Suggested Citation
Tyagi R, Mandal A, Das AK, Tripathi A, Prakash C, Campilho R, Saxena KK. Electrical Discharge Coating a Potential Surface Engineering Technique: A State of the Art. (2023). LAPSE:2023.4673
Author Affiliations
Tyagi R: Department of Mechanical Engineering, Chandigarh University, Gharuan 140412, India; University Center for Research and Development, Chandigarh University, Gharuan 140412, India
Mandal A: Department of Mechanical Engineering, Indian Institute of Technology (ISM), Dhanbad 826004, India
Das AK: Department of Mechanical Engineering, Indian Institute of Technology (ISM), Dhanbad 826004, India
Tripathi A: University Center for Research and Development, Chandigarh University, Gharuan 140412, India; Department of Mechanical Engineering, Indian Institute of Technology (ISM), Dhanbad 826004, India
Prakash C: School of Mechanical Engineering, Lovely Professional University, Phagwara 144411, India; Division of Research and Development, Lovely Professional University, Phagwara 144411, India [ORCID]
Campilho R: Departamento de Engenharia Mecânica, Instituto Superior de Engenharia do Porto, Rua Dr. António Bernardino de Almeida 431, 4249-015 Porto, Portugal [ORCID]
Saxena KK: Department of Mechanical Engineering, GLA University, Mathura 281406, India [ORCID]
Mandal A: Department of Mechanical Engineering, Indian Institute of Technology (ISM), Dhanbad 826004, India
Das AK: Department of Mechanical Engineering, Indian Institute of Technology (ISM), Dhanbad 826004, India
Tripathi A: University Center for Research and Development, Chandigarh University, Gharuan 140412, India; Department of Mechanical Engineering, Indian Institute of Technology (ISM), Dhanbad 826004, India
Prakash C: School of Mechanical Engineering, Lovely Professional University, Phagwara 144411, India; Division of Research and Development, Lovely Professional University, Phagwara 144411, India [ORCID]
Campilho R: Departamento de Engenharia Mecânica, Instituto Superior de Engenharia do Porto, Rua Dr. António Bernardino de Almeida 431, 4249-015 Porto, Portugal [ORCID]
Saxena KK: Department of Mechanical Engineering, GLA University, Mathura 281406, India [ORCID]
Journal Name
Processes
Volume
10
Issue
10
First Page
1971
Year
2022
Publication Date
2022-09-30
ISSN
2227-9717
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PII: pr10101971, Publication Type: Review
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LAPSE:2023.4673
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https://doi.org/10.3390/pr10101971
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Feb 23, 2023
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