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 SM ISO690:2012PAVLEYNO, O., PAVLOV, V., PAVLEINO, M.. Effect of the Spreading of the Contact Spot on the Pulsed Heating of Electrodes. In: Surface Engineering and Applied Electrochemistry, 2011, nr. 4(47), pp. 362-369. ISSN 1068-3755. |
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  Surface Engineering and Applied Electrochemistry |
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| Numărul 4(47) / 2011 / ISSN 1068-3755 /ISSNe 1934-8002 | ||||||
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| Pag. 362-369 | ||||||
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A numerical calculation of the pulsed heating of electrical contacts in a wide temperature range up to the melting point is carried out on the basis of experimental oscillograms of the electrode voltage and current. The change in the radius of the contact spot is determined taking into account the softening of the material. It is shown that even a slight spreading of the spot can lead to a significant decrease in the contact
temperature. The dynamics of the heating of the contact area are analyzed, and the distributions of the temperature and heat flows are plotted.
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