Spatial distribution of metallic vapor in Ar thermal plasma on melting of Fe and Fe-Mn alloy

被引：0
|
作者：
He, GW [1 ]
Ishii, K [1 ]
Sakai, Y [1 ]
Kashiwaya, Y [1 ]
机构：
[1] HOKKAIDO UNIV,FAC ENGN,SAPPORO,HOKKAIDO 060,JAPAN
来源：
TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN | 1997年 / 83卷 / 12期
关键词：
Ar thermal plasma; spectroscopic measurement; law of Boltzmann distribution; Saha's equation; molten metal; vaporization rate; metallic vapor;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Metallic vapor pressure distribution in Ar thermal plasma on melting of metal was determined by using the values of total absorption ratio of spectra (beta) which were calculated from Ar density and Ar spectral intensity. There is good agreement between the vaporization rate obtained from the distribution of metallic vapor pressure by using Hertz-Knudsen equation and that of measured. The metallic vapor pressure decreased from molten surface to bulk of Ar plasma. Due to the enhanced vaporization mechanism, the maximum metallic vapor pressure was not at the anode spot, but at outer region of anode spot which has the highest temperature at the molten surface.
引用
收藏
页码：838 / 843
页数：6
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