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.
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Translated from Poroshkovaya Metallurgiya, Vol. 50, No. 5–6 (479), pp. 156–159, 2011.
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Kirilenko, S.M., Paustovskii, O.V. & Karpets, M.V. Effect of electrode porosity on the electrospark deposition of recovery coatings. Powder Metall Met Ceram 50, 373–375 (2011). https://doi.org/10.1007/s11106-011-9342-9
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DOI: https://doi.org/10.1007/s11106-011-9342-9