Activity coefficient of silicon in molten Fe-C-B-Si alloy

Xianming Huang; Wayah Giri Ischak; Hiroyuki Fukuyama; Toshiharu Fujisawa; Chikabumi Yamauchi

doi:10.2355/isijinternational.36.1151

Activity coefficient of silicon in molten Fe-C-B-Si alloy

Xianming Huang, Wayah Giri Ischak, Hiroyuki Fukuyama, Toshiharu Fujisawa, Chikabumi Yamauchi

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

The activity coefficient of silicon in the molten Fe-C-B-Si alloy was determined by conducting the following measurements: 1) Equilibrium contents of boron in the Fe-B-Si-N alloys saturated with solid BN under Ar+N₂ gas mixture at 1 723 K, 2) Solubility of carbon in the molten Fe-C-B-Si alloy at 1 573 and 1 723 K, and 3) Equilibrium distribution of silicon between the molten Fe-C-B-Si alloy and molten silver at 1 723 K. By using the interstitial solution model, the activity coefficient and the interaction parameters of silicon in the Fe-C-B-Si alloy were determined to be: θSi/B = 7.54 (ysi<0.15, 1 723K), InψO/Si=-8.7, θSi/Si=18.4 (ySi<0.2, 1 723 K), θSi/C=297 000/T-2.63 (ysi<0.4, 1 573-1 873 K).

Original language	English
Pages (from-to)	1151-1156
Number of pages	6
Journal	Isij International
Volume	36
Issue number	9
DOIs	https://doi.org/10.2355/isijinternational.36.1151
Publication status	Published - 1996
Externally published	Yes

Keywords

Activity coefficient
Fe-B-Si-N alloy
Fe-C-B-Si alloy
Interaction parameter
Interstitial solution model
Solubility

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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title = "Activity coefficient of silicon in molten Fe-C-B-Si alloy",

abstract = "The activity coefficient of silicon in the molten Fe-C-B-Si alloy was determined by conducting the following measurements: 1) Equilibrium contents of boron in the Fe-B-Si-N alloys saturated with solid BN under Ar+N2 gas mixture at 1 723 K, 2) Solubility of carbon in the molten Fe-C-B-Si alloy at 1 573 and 1 723 K, and 3) Equilibrium distribution of silicon between the molten Fe-C-B-Si alloy and molten silver at 1 723 K. By using the interstitial solution model, the activity coefficient and the interaction parameters of silicon in the Fe-C-B-Si alloy were determined to be: θSi/B = 7.54 (ysi<0.15, 1 723K), InψO/Si=-8.7, θSi/Si=18.4 (ySi<0.2, 1 723 K), θSi/C=297 000/T-2.63 (ysi<0.4, 1 573-1 873 K).",

keywords = "Activity coefficient, Fe-B-Si-N alloy, Fe-C-B-Si alloy, Interaction parameter, Interstitial solution model, Solubility",

author = "Xianming Huang and Ischak, {Wayah Giri} and Hiroyuki Fukuyama and Toshiharu Fujisawa and Chikabumi Yamauchi",

year = "1996",

doi = "10.2355/isijinternational.36.1151",

language = "English",

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T1 - Activity coefficient of silicon in molten Fe-C-B-Si alloy

AU - Huang, Xianming

AU - Ischak, Wayah Giri

AU - Fukuyama, Hiroyuki

AU - Fujisawa, Toshiharu

AU - Yamauchi, Chikabumi

PY - 1996

Y1 - 1996

N2 - The activity coefficient of silicon in the molten Fe-C-B-Si alloy was determined by conducting the following measurements: 1) Equilibrium contents of boron in the Fe-B-Si-N alloys saturated with solid BN under Ar+N2 gas mixture at 1 723 K, 2) Solubility of carbon in the molten Fe-C-B-Si alloy at 1 573 and 1 723 K, and 3) Equilibrium distribution of silicon between the molten Fe-C-B-Si alloy and molten silver at 1 723 K. By using the interstitial solution model, the activity coefficient and the interaction parameters of silicon in the Fe-C-B-Si alloy were determined to be: θSi/B = 7.54 (ysi<0.15, 1 723K), InψO/Si=-8.7, θSi/Si=18.4 (ySi<0.2, 1 723 K), θSi/C=297 000/T-2.63 (ysi<0.4, 1 573-1 873 K).

AB - The activity coefficient of silicon in the molten Fe-C-B-Si alloy was determined by conducting the following measurements: 1) Equilibrium contents of boron in the Fe-B-Si-N alloys saturated with solid BN under Ar+N2 gas mixture at 1 723 K, 2) Solubility of carbon in the molten Fe-C-B-Si alloy at 1 573 and 1 723 K, and 3) Equilibrium distribution of silicon between the molten Fe-C-B-Si alloy and molten silver at 1 723 K. By using the interstitial solution model, the activity coefficient and the interaction parameters of silicon in the Fe-C-B-Si alloy were determined to be: θSi/B = 7.54 (ysi<0.15, 1 723K), InψO/Si=-8.7, θSi/Si=18.4 (ySi<0.2, 1 723 K), θSi/C=297 000/T-2.63 (ysi<0.4, 1 573-1 873 K).

KW - Activity coefficient

KW - Fe-B-Si-N alloy

KW - Fe-C-B-Si alloy

KW - Interaction parameter

KW - Interstitial solution model

KW - Solubility

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Activity coefficient of silicon in molten Fe-C-B-Si alloy

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