Effect of Al2O3 and CaO/SiO2 on the viscosity of calcium-silicate-based slags containing 10 mass Pct MgO

Hyuk Kim; Hiroyuki Matsuura; Fumitaka Tsukihashi; Wanlin Wang; Dong Joon Min; Il Sohn

doi:10.1007/s11663-012-9759-7

Effect of Al₂O₃ and CaO/SiO₂ on the viscosity of calcium-silicate-based slags containing 10 mass Pct MgO

Hyuk Kim, Hiroyuki Matsuura, Fumitaka Tsukihashi, Wanlin Wang, Dong Joon Min, Il Sohn

Department of Materials Science and Engineering

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

129 Citations (Scopus)

Abstract

The effect of Al₂O₃ and CaO/SiO₂ on the viscosity of the CaO-SiO₂-10 mass pct MgO-Al₂O₃ slags was studied at fully liquid temperatures of 1773 K (1500 C) and below. At fixed CaO/SiO₂ between 0.8 and 1.3, higher Al₂O ₃ content increased the slag viscosity due to the polymerization of the aluminate structures. At fixed Al₂O₃ of 15 and 20 mass pct, increasing the CaO/SiO₂ from 0.8 to 1.3 resulted in lower viscosity due to the depolymerization of the aluminate structure.

Original language	English
Pages (from-to)	5-12
Number of pages	8
Journal	Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
Volume	44
Issue number	1
DOIs	https://doi.org/10.1007/s11663-012-9759-7
Publication status	Published - 2013 Feb

Bibliographical note

Funding Information:
This study was partially supported by the Brain Korea 21 (BK21) Project at the Division of the Humantronics Information Materials and the National Science Foundation of Korea Project No.2010-8-2150 and 2011-8-0738.

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys
Materials Chemistry

Access to Document

10.1007/s11663-012-9759-7

Cite this

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title = "Effect of Al2O3 and CaO/SiO2 on the viscosity of calcium-silicate-based slags containing 10 mass Pct MgO",

abstract = "The effect of Al2O3 and CaO/SiO2 on the viscosity of the CaO-SiO2-10 mass pct MgO-Al2O3 slags was studied at fully liquid temperatures of 1773 K (1500 C) and below. At fixed CaO/SiO2 between 0.8 and 1.3, higher Al2O 3 content increased the slag viscosity due to the polymerization of the aluminate structures. At fixed Al2O3 of 15 and 20 mass pct, increasing the CaO/SiO2 from 0.8 to 1.3 resulted in lower viscosity due to the depolymerization of the aluminate structure.",

author = "Hyuk Kim and Hiroyuki Matsuura and Fumitaka Tsukihashi and Wanlin Wang and Min, {Dong Joon} and Il Sohn",

note = "Funding Information: This study was partially supported by the Brain Korea 21 (BK21) Project at the Division of the Humantronics Information Materials and the National Science Foundation of Korea Project No.2010-8-2150 and 2011-8-0738.",

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AU - Kim, Hyuk

AU - Matsuura, Hiroyuki

AU - Tsukihashi, Fumitaka

AU - Wang, Wanlin

AU - Min, Dong Joon

AU - Sohn, Il

N1 - Funding Information: This study was partially supported by the Brain Korea 21 (BK21) Project at the Division of the Humantronics Information Materials and the National Science Foundation of Korea Project No.2010-8-2150 and 2011-8-0738.

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AB - The effect of Al2O3 and CaO/SiO2 on the viscosity of the CaO-SiO2-10 mass pct MgO-Al2O3 slags was studied at fully liquid temperatures of 1773 K (1500 C) and below. At fixed CaO/SiO2 between 0.8 and 1.3, higher Al2O 3 content increased the slag viscosity due to the polymerization of the aluminate structures. At fixed Al2O3 of 15 and 20 mass pct, increasing the CaO/SiO2 from 0.8 to 1.3 resulted in lower viscosity due to the depolymerization of the aluminate structure.

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