MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
The Floating Potential on the Surface of 25 mol%Na2O-SiO2 Glass Heated by Thermal Plasma of Ar
Keiichiro KashimuraToru YamashitaKazuhiro Nagata
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2008 Volume 49 Issue 11 Pages 2579-2583

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Abstract

Mechanisms of heat transfer need to be understood to control plasma more efficiently in industrial applications. Floating potential is defined to be the potential on molten 25 mol%Na2O-SiO2 glass surface and the dependence of transferred-type thermal plasma current on the floating potential of the glass has been studied using the Langmuir probe method. An anomalous probe voltage–current curve was found when the plasma current was applied under 3 A. It is also considered that the electrochemical reaction at the surface exists, which is dependent on the plasma current.

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© 2008 The Japan Institute of Metals and Materials
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