Prediction of Phase Separation in Silicate Glass for the Creation of Value-added Materials from Waste Slag

Suzuki, Masanori; Tanaka, Toshihiro

ISIJ International, 2006, 46(10), 1391-1395

Number of Access:505（2025-08-14 12:35 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/26396

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Title
Prediction of Phase Separation in Silicate Glass for the Creation of Value-added Materials from Waste Slag
Creator
NRID
1000020610728 1000020610728
ORCID
0000-0003-1601-2842 0000-0003-1601-2842
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Scopus Author ID
56297002300 56297002300
CreatorName
Suzuki, Masanori
NRID
1000010179773 1000010179773
researchmap permalink
read0013978 read0013978
CreatorName
Tanaka, Toshihiro
Subject
spinodal decomposition
SiO_2–CaO–MgO–Na_2O system
Gibbs energy
thermodynamic databases
super-cooled liquid phase
Abstract
A thermodynamic evaluation was performed to predict phase separation in multi-component oxide glasses. Composition ranges for metastable liquid–liquid immiscibility and spinodal decomposition in a SiO_2–CaO–MgO–Na_2O quaternary system were calculated on the assumption that glasses in the oxide system can be regarded as super-cooled liquid phases. Some experimental studies on two-phase separation of glasses were carried out to confirm the thermodynamic evaluation of the phase separation. Microstructures in heat-treated glass samples were observed by transmission electron microscopy, to investigate the development of interconnected microstructures in the glass with increased heating temperatures and holding times, and spinodal decomposition of glass was indicated.
Publisher
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
Source Title
ISIJ International
Volume (Issue)
46(10)
Page
1391-1395
Date of Issued
2006
Language
English
Handle URL
https://hdl.handle.net/11094/26396
PISSN
09151559
NCID
AA10680712
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.2355/isijinternational.46.1391
Access Rights
open access
CopyRight
© 2006 ISIJ
oaire:version
Version of Record
Category
学術雑誌論文 Journal Article