A Model for Estimating Viscosity of Molten Aluminosilicate Containing Calcium Fluoride

Miyabayashi, Yoshitsugu; Nakamoto, Masashi; Tanaka, Toshihiro; Yamamoto, Takaiku

doi:info:doi/10.2355/isijinternational.49.343

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タイトル	A Model for Estimating Viscosity of Molten Aluminosilicate Containing Calcium Fluoride
著者	Miyabayashi, Yoshitsugu Miyabayashi, Yoshitsugu
	Nakamoto, Masashi Nakamoto, Masashi
	Tanaka, Toshihiro Tanaka, Toshihiro
	Yamamoto, Takaiku Yamamoto, Takaiku
キーワード等	viscosity
	silicate melts
	structure
	aluminosilicate melts
	calcium fluoride
抄録	A model to estimate the viscosity of aluminosilicate melts including alkali oxides, as derived in our previous study, was extended to molten slag systems containing CaF2. The bonding state of oxygen in molten silicate and the flow mechanism of melts with a network microstructure were considered for this model. To evaluate the bonding states of oxygen for given chemical compositions, a model proposed by Susa et al. was applied. Their model is easily extended to any multi-component molten slag system without the need to consider thermodynamic parameters. In this work, the above-mentioned viscosity model was applied to evaluate the effect of CaF_2 on the viscosity of molten SiO_2–CaO–CaF_2, SiO_2–CaO–Al_2O_3–CaF_2 and SiO_2–Al_2O_3–CaO–CaF_2–Na_2O–MgO systems.
公開者	日本鉄鋼協会
公開者の別表記	The Iron and Steel Institute of Japan
公開者 (ヨミ)	ニホン　テッコウ　キョウカイ
掲載誌名	ISIJ International
巻	49
号	3
開始ページ	343
終了ページ	348
刊行年月	2009
ISSN	09151559
NCID	AA10680712
DOI (出版社版)	info:doi/10.2355/isijinternational.49.343
URL	http://hdl.handle.net/11094/26379
権利情報	© 2009 ISIJ
言語	英語
カテゴリ	学術雑誌論文 Journal Article

著者版フラグ	publisher
NII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.49(3) P.343-P.348
DC.title	A Model for Estimating Viscosity of Molten Aluminosilicate Containing Calcium Fluoride
DC.creator	Miyabayashi, Yoshitsugu
	Nakamoto, Masashi
	Tanaka, Toshihiro
	Yamamoto, Takaiku
DC.publisher	日本鉄鋼協会
DC.language" scheme="DCTERMS.RFC1766	英語
DCTERMS.issued" scheme="DCTERMS.W3CDTF	2009
DC.identifier	info:doi/10.2355/isijinternational.49.343
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/26379
DC.subject	viscosity
	silicate melts
	structure
	aluminosilicate melts
	calcium fluoride
DCTERMS.abstract	A model to estimate the viscosity of aluminosilicate melts including alkali oxides, as derived in our previous study, was extended to molten slag systems containing CaF2. The bonding state of oxygen in molten silicate and the flow mechanism of melts with a network microstructure were considered for this model. To evaluate the bonding states of oxygen for given chemical compositions, a model proposed by Susa et al. was applied. Their model is easily extended to any multi-component molten slag system without the need to consider thermodynamic parameters. In this work, the above-mentioned viscosity model was applied to evaluate the effect of CaF_2 on the viscosity of molten SiO_2–CaO–CaF_2, SiO_2–CaO–Al_2O_3–CaF_2 and SiO_2–Al_2O_3–CaO–CaF_2–Na_2O–MgO systems.
DC.rights	© 2009 ISIJ
citation_title	A Model for Estimating Viscosity of Molten Aluminosilicate Containing Calcium Fluoride
citation_author	Miyabayashi, Yoshitsugu
	Nakamoto, Masashi
	Tanaka, Toshihiro
	Yamamoto, Takaiku
citation_publisher	日本鉄鋼協会
citation_language	英語
citation_date	2009
citation_journal_title	ISIJ International
citation_volume	49
citation_issue	3
citation_firstpage	343
citation_lastpage	348
citation_issn	09151559
citation_doi	info:doi/10.2355/isijinternational.49.343
citation_public_url	http://hdl.handle.net/11094/26379
citation_keywords	viscosity
	silicate melts
	structure
	aluminosilicate melts
	calcium fluoride

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