Interaction parameter between Al and Sn in molten high Al steel

Kengo Sugiyama; Shigeru Ueda; Xu Gao; Sunjoong Kim; Shinya Kitamura

doi:10.2355/tetsutohagane.TETSU-2018-057

Interaction parameter between Al and Sn in molten high Al steel

Kengo Sugiyama, Shigeru Ueda, Xu Gao, Sunjoong Kim, Shinya Kitamura

多元物質科学研究所・金属資源プロセス研究センター

研究成果: Article › 査読

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Synopsis: The interaction parameter between Al and Sn in molten iron containing high Al was measured using a chemical equilibrium technique. A molten Fe-Al alloy was equilibrated with a molten Ag-Sn alloy in an Al₂O₃ crucible at 1823 K. The interaction parameter of Sn and Al in FeAl alloys was measured to be ϵ^A _S _n ^l=-3.18 while varying the concentration of Al in a range from 0.01-0.17 in mole fraction. The influence of Sn on the deoxidation equilibrium of Al and O was estimated using the above interaction parameter. The results indicate that under a constant Al concentration, a contamination of several percent of Sn slightly raises the O concentration in high Al steel.

本文言語	English
ページ（範囲）	31-35
ページ数	5
ジャーナル	Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
巻	105
号	3
DOI	https://doi.org/10.2355/tetsutohagane.TETSU-2018-057
出版ステータス	Published - 2019 3月

ASJC Scopus subject areas

凝縮系物理学
物理化学および理論化学
金属および合金
材料化学

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10.2355/tetsutohagane.TETSU-2018-057

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title = "Interaction parameter between Al and Sn in molten high Al steel",

abstract = "Synopsis: The interaction parameter between Al and Sn in molten iron containing high Al was measured using a chemical equilibrium technique. A molten Fe-Al alloy was equilibrated with a molten Ag-Sn alloy in an Al2O3 crucible at 1823 K. The interaction parameter of Sn and Al in FeAl alloys was measured to be ϵA S n l=-3.18 while varying the concentration of Al in a range from 0.01-0.17 in mole fraction. The influence of Sn on the deoxidation equilibrium of Al and O was estimated using the above interaction parameter. The results indicate that under a constant Al concentration, a contamination of several percent of Sn slightly raises the O concentration in high Al steel.",

keywords = "Activity coefficient, Al, High Al steel, Interaction parameter, Sn",

author = "Kengo Sugiyama and Shigeru Ueda and Xu Gao and Sunjoong Kim and Shinya Kitamura",

year = "2019",

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doi = "10.2355/tetsutohagane.TETSU-2018-057",

language = "English",

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T1 - Interaction parameter between Al and Sn in molten high Al steel

AU - Sugiyama, Kengo

AU - Ueda, Shigeru

AU - Gao, Xu

AU - Kim, Sunjoong

AU - Kitamura, Shinya

PY - 2019/3

Y1 - 2019/3

N2 - Synopsis: The interaction parameter between Al and Sn in molten iron containing high Al was measured using a chemical equilibrium technique. A molten Fe-Al alloy was equilibrated with a molten Ag-Sn alloy in an Al2O3 crucible at 1823 K. The interaction parameter of Sn and Al in FeAl alloys was measured to be ϵA S n l=-3.18 while varying the concentration of Al in a range from 0.01-0.17 in mole fraction. The influence of Sn on the deoxidation equilibrium of Al and O was estimated using the above interaction parameter. The results indicate that under a constant Al concentration, a contamination of several percent of Sn slightly raises the O concentration in high Al steel.

AB - Synopsis: The interaction parameter between Al and Sn in molten iron containing high Al was measured using a chemical equilibrium technique. A molten Fe-Al alloy was equilibrated with a molten Ag-Sn alloy in an Al2O3 crucible at 1823 K. The interaction parameter of Sn and Al in FeAl alloys was measured to be ϵA S n l=-3.18 while varying the concentration of Al in a range from 0.01-0.17 in mole fraction. The influence of Sn on the deoxidation equilibrium of Al and O was estimated using the above interaction parameter. The results indicate that under a constant Al concentration, a contamination of several percent of Sn slightly raises the O concentration in high Al steel.

KW - Activity coefficient

KW - Al

KW - High Al steel

KW - Interaction parameter

KW - Sn

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Interaction parameter between Al and Sn in molten high Al steel

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