Materials Design for the Fabrication of Porous Glass using Phase Separation in Multi-component Borosilicate Glass

Suzuki, Masanori; Tanaka, Toshihiro

doi:https://doi.org/10.2355/isijinternational.48.1524

アクセス数:172件（2024-04-19 08:01 集計）

固定URL: https://hdl.handle.net/11094/26394

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タイトル	Materials Design for the Fabrication of Porous Glass using Phase Separation in Multi-component Borosilicate 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	porous glass
	spinodal decomposition
	borosilicate glass
	Gibbs energy
	super-cooled liquid phase
抄録	Porous glass was fabricated using spinodal decomposition in multi-component oxide glass and leaching out one of the decomposed phases with acid solution. Multi-component borosilicate glass compositions were designed for the porous glass by partially replacing SiO_2 by B_2O_3 in silicate glass compositions where the occurrence of spinodal decomposition was confirmed. One of separated phases formed by the spinodal decomposition in the borosilicate glass was leached out with acid solution and then porous glass was obtained. The microstructure in porous glass was observed by field emission scanning electron microscopy, and the development of an interconnected porous structure was indicated. Prediction of the phase separation was attempted for multi-component borosilicate glass compositions investigated in this study by calculating the Gibbs energy of super-cooled liquid phase. It was revealed the calculated metastable liquid–liquid immiscibility boundaries in these borosilicate systems do not coincide with experimental results for the occurrence of phase separation. For the precise estimation of the miscibility gap in the multi-component oxide glasses containing B_2O_3, the temperature and composition dependence of Gibbs energy of liquid phase, including the super-cooled liquid state, should be optimized.
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(11)
ページ	1524-1532
刊行年月	2008
言語	英語
ハンドルURL	https://hdl.handle.net/11094/26394
PISSN	09151559
NCID	AA10680712
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.2355/isijinternational.48.1524
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(11), p. 1524-1532
DC.title	Materials Design for the Fabrication of Porous Glass using Phase Separation in Multi-component Borosilicate 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.48.1524
DC.subject	porous glass
	spinodal decomposition
	borosilicate glass
	Gibbs energy
	super-cooled liquid phase
DCTERMS.abstract	Porous glass was fabricated using spinodal decomposition in multi-component oxide glass and leaching out one of the decomposed phases with acid solution. Multi-component borosilicate glass compositions were designed for the porous glass by partially replacing SiO_2 by B_2O_3 in silicate glass compositions where the occurrence of spinodal decomposition was confirmed. One of separated phases formed by the spinodal decomposition in the borosilicate glass was leached out with acid solution and then porous glass was obtained. The microstructure in porous glass was observed by field emission scanning electron microscopy, and the development of an interconnected porous structure was indicated. Prediction of the phase separation was attempted for multi-component borosilicate glass compositions investigated in this study by calculating the Gibbs energy of super-cooled liquid phase. It was revealed the calculated metastable liquid–liquid immiscibility boundaries in these borosilicate systems do not coincide with experimental results for the occurrence of phase separation. For the precise estimation of the miscibility gap in the multi-component oxide glasses containing B_2O_3, the temperature and composition dependence of Gibbs energy of liquid phase, including the super-cooled liquid state, should be optimized.
DC.rights	© 2008 ISIJ
DC.format	application/pdf
citation_title	Materials Design for the Fabrication of Porous Glass using Phase Separation in Multi-component Borosilicate 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	11
citation_firstpage	1524
citation_lastpage	1532
citation_doi	https://doi.org/10.2355/isijinternational.48.1524
citation_public_url	https://hdl.handle.net/11094/26394

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