The Nitrogen Absorption of Arc-Melted Iron and Stainless Steel
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概要
- 論文の詳細を見る
Effects of melting conditions and atmospheres on the nitrogen absorption of melted iron and stainless steel were studied by tungsten arc melting. With an increase of the arc current, the nitrogen content of the melted stainless steel decreases, while that of the melted iron is nearly constant. In both of the two melted metals, the nitrogen content depends hardly on the specimen weight and the gas flow rate. In each of them, the nitrogen content increases with the melting time and then reaches the saturated value which increases with the nitrogen partial pressure of atmosphere. The nitrogen absorption of the arc-melted metal was thermodynamically discussed with equilibrium data and was compared with that of the gas tungsten arc weld metal.
- 社団法人溶接学会の論文
- 1988-10-01
著者
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Kokawa Hiroyuki
Department of Materials Processing, Graduate School of Engineering, Tohoku University
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Kokawa Hiroyuki
Department Of Materials Processing Faculty Of Engineering Tohoku University
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Kuwana Takeshi
Department Of Materials Processing Faculty Of Engineering Tohoku University
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KOKAWA Hiroyuki
Department of Materials Processing, Faculty of Engineering, Tohoku University
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