Effect of electrode porosity on the electrospark deposition of recovery coatings

The paper examines how the porosity of electrode materials used to restore parts influences the electrospark deposition process. A higher porosity decreases the heat conductivity of the electrode material. A smaller amount of heat spreads along the electrode and, hence, a greater amount of heat rema...

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Bibliographic Details
Published in:Powder metallurgy and metal ceramics 2011-09, Vol.50 (5-6), p.373-375
Main Authors: Kirilenko, S. M., Paustovskii, O. V., Karpets, M. V.
Format: Article
Language:English
Subjects:
Alloys
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Coatings
Coatings industry
Composites
Deposition
Electric properties
Electrode materials
Electrodes
Erosion
Exchange of Experience
Glass
Materials Science
Melting
Metallic Materials
Natural Materials
Porosity
Powder metallurgy
Spreads
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Summary:The paper examines how the porosity of electrode materials used to restore parts influences the electrospark deposition process. A higher porosity decreases the heat conductivity of the electrode material. A smaller amount of heat spreads along the electrode and, hence, a greater amount of heat remains for melting. Erosion and deposition of the material increase accordingly.
ISSN:1068-1302
1573-9066
DOI:10.1007/s11106-011-9342-9