Composition Dependence of Microstructures formed by Phase Separation in Multi-component Silicate Glass

Suzuki, Masanori; Tanaka, Toshihiro

doi:https://doi.org/10.2355/isijinternational.48.405

アクセス数:173件（2024-04-20 15:44 集計）

固定URL: https://hdl.handle.net/11094/26391

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タイトル	Composition Dependence of Microstructures formed by Phase Separation in Multi-component Silicate Glass
著者	NRID 1000020610728 1000020610728 ORCID 0000-0003-1601-2842 0000-0003-1601-2842 researchmap permalink eternalblue eternalblue Scopus Author ID 56297002300 56297002300 著者名 Suzuki, Masanori
著者	NRID 1000010179773 1000010179773 researchmap permalink read0013978 read0013978 著者名 Tanaka, Toshihiro
キーワード等	spinodal decomposition
	binodal decomposition
	SiO_2–CaO–MgO–Na_2O system
	Gibbs energy
	decomposed microstructure
抄録	It has been investigated that the correlation between the phase separation and glass compositions in the SiO_2–CaO–MgO–Na_2O quaternary oxide glasses. The metastable miscibility gap and the spinodal region in the quaternary system have been evaluated from Gibbs energies in the metastable liquid phase, on the assumption that the glass in slag systems could be regarded as a super-cooled liquid. The microstructures corresponding to the phase separation in the glasses have been observed using transmission electron microscopy (TEM). Thermodynamic analyses and the experimental studies revealed the existence of a metastable phase separation including spinodal decomposition in the SiO_2–CaO–MgO–Na_2O system. Furthermore, it was found that the size of the decomposed microstructure depended on molar ratio of CaO to MgO in the initial glass composition.
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)	48(4)
ページ	405-411
刊行年月	2008
言語	英語
ハンドルURL	https://hdl.handle.net/11094/26391
PISSN	09151559
NCID	AA10680712
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.2355/isijinternational.48.405
アクセス権	open access
権利情報	© 2008 ISIJ
出版タイプ	Version of Record
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	ISIJ International. 2008, 48(4), p. 405-411
DC.title	Composition Dependence of Microstructures formed by Phase Separation in Multi-component Silicate Glass
DC.creator	Suzuki, Masanori
DC.creator	Tanaka, Toshihiro
DC.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
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2008
DC.identifier	https://doi.org/10.2355/isijinternational.48.405
DC.subject	spinodal decomposition
	binodal decomposition
	SiO_2–CaO–MgO–Na_2O system
	Gibbs energy
	decomposed microstructure
DCTERMS.abstract	It has been investigated that the correlation between the phase separation and glass compositions in the SiO_2–CaO–MgO–Na_2O quaternary oxide glasses. The metastable miscibility gap and the spinodal region in the quaternary system have been evaluated from Gibbs energies in the metastable liquid phase, on the assumption that the glass in slag systems could be regarded as a super-cooled liquid. The microstructures corresponding to the phase separation in the glasses have been observed using transmission electron microscopy (TEM). Thermodynamic analyses and the experimental studies revealed the existence of a metastable phase separation including spinodal decomposition in the SiO_2–CaO–MgO–Na_2O system. Furthermore, it was found that the size of the decomposed microstructure depended on molar ratio of CaO to MgO in the initial glass composition.
DC.rights	© 2008 ISIJ
DC.format	application/pdf
citation_title	Composition Dependence of Microstructures formed by Phase Separation in Multi-component Silicate Glass
citation_author	Suzuki, Masanori
citation_author	Tanaka, Toshihiro
citation_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
citation_language	英語
citation_date	2008
citation_journal_title	ISIJ International
citation_volume	48
citation_issue	4
citation_firstpage	405
citation_lastpage	411
citation_doi	https://doi.org/10.2355/isijinternational.48.405
citation_public_url	https://hdl.handle.net/11094/26391

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