Composition Dependence of Viscosity in Binary Silicate Melts Using Double Exponential Function

Nakamoto, Masashi; Tanaka, Toshihiro; Holappa, Lauri et al.

ISIJ International, 2012, 52(10), 1902-1908

アクセス数:634件（2025-07-11 12:27 集計）

固定URL: https://hdl.handle.net/11094/26386

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論文情報

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タイトル
Composition Dependence of Viscosity in Binary Silicate Melts Using Double Exponential Function
著者
NRID
1000080467539 1000080467539
ORCID
0000-0003-4684-0200 0000-0003-4684-0200
researchmap permalink
read0090330 read0090330
Scopus Author ID
7102132238 7102132238
著者名
Nakamoto, Masashi
NRID
1000010179773 1000010179773
researchmap permalink
read0013978 read0013978
著者名
Tanaka, Toshihiro
著者名
Holappa, Lauri
NRID
1000060467537 1000060467537
著者名
Yamamoto, Takaiku
キーワード等
viscosity
silicate
binary system
double exponential function
double logarithm
Gumbel distribution
抄録
Development of a model for estimating the viscosity of a molten silicate is important because viscosity plays an important role in high-temperature processes. However, there is still much controversy with regard to the type of equation that is appropriate for expressing viscosity changes with changes in composition and temperature. In the present work, the composition dependence of viscosity for molten silicates in binary systems was investigated based on a double exponential function. The relationship between the double logarithm of viscosity, which is an inverse of a double exponential function, and the composition was clarified using the available experimental data. We found that the double logarithm of viscosity is linearly related to the composition in certain composition ranges. The double exponential function derived empirically by fitting it to the experimental data shows a reasonable viscosity dependence on composition and temperature. The linear relationship between the double logarithm of viscosity and the composition can be derived by assuming that the probability function of the occurrence of flow in a binary silicate melt has a Gumbel distribution.
出版者
日本鉄鋼協会
The Iron and Steel Institute of Japan
ニホン　テッコウ　キョウカイ
収録物名
ISIJ International
巻(号)
52(10)
ページ
1902-1908
刊行年月
2012
言語
英語
ハンドルURL
https://hdl.handle.net/11094/26386
PISSN
09151559
NCID
AA10680712
関連情報 (isIdenticalTo)
DOI (出版社版)
https://doi.org/10.2355/isijinternational.52.1902
アクセス権
open access
権利情報
© 2012 ISIJ
出版タイプ
Version of Record
カテゴリ
学術雑誌論文 Journal Article