QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY
Print ISSN : 0288-4771
Study on Quantity of Heat Transported into Substrate by Plasma Spraying
Toshio TerasakiTetsuya AkiyamaKatsutoshi FukudaHideki Kaneko
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1992 Volume 10 Issue 4 Pages 451-457

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Abstract

This paper deals with a quantity of heat to be transported into a substrate by plasma spraying. The quantity of heat was measured by means of a calorimeter. It is clear that a kinetic energy of powder particles is almost neglected when a velocity of the particles is less than 400 m per second. The quantity of heat transported by powder became a constant value which required for melting the powder. Total quantity of heat given by a plasma gas was extremely dependent of spray apparatus. Total quantity of heat by a plasma gas was estimated, but a distribution of heat quantity was not clear. When the distribution is assumed as Gaussian distribution, a heat input is estimated less than 25% errors.

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