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Current-voltage characteristics of a non-transferred plasma spray torch

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Abstract

I–V characteristics of a non-transferred DC plasma spray torch operating on argon and argon + nitrogen mixtures are reported. Arc voltage is decreased with increase in arc current and increased with increase in electrode gap. Arc power is higher at higher percentage of nitrogen in argon. Nottingham co-efficients were calculated using numerical method.

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Authors and Affiliations

  1. Department of physics, Bharathiar University, Coimbatore, 641 046, India

    R. Ramasamy & V. Selvarajan

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  1. R. Ramasamy
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  2. V. Selvarajan
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Correspondence to V. Selvarajan.

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Ramasamy, R., Selvarajan, V. Current-voltage characteristics of a non-transferred plasma spray torch. Eur. Phys. J. D 8, 125–129 (2000). https://doi.org/10.1007/s100530050016

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