Measurement of the surface tension of liquid Ga, Bi, Sn, In and Pb by the constrained drop method

Tanaka, Toshihiro; Nakamoto, Masashi; Oguni, Ryosuke; Lee, Joonho; Hara, Shigeta

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タイトル	Measurement of the surface tension of liquid Ga, Bi, Sn, In and Pb by the constrained drop method
著者	Tanaka, Toshihiro Tanaka, Toshihiro
	Nakamoto, Masashi Nakamoto, Masashi
	Oguni, Ryosuke Oguni, Ryosuke
	Lee, Joonho Lee, Joonho
	Hara, Shigeta Hara, Shigeta
キーワード等	Large drop method
	Sessile drop method
	Capillary constant
抄録	The effect of the droplet size on the accuracy of surface tension measurement by the sessile drop method is discussed for liquid metals through a simulation by using the Laplace equation. It is found that with increasing size of the droplet, a higher accuracy of the measured value of the surface tension can be obtained. In order to make a large droplet of liquid metals, the constrained drop method with a special crucible shape was applied to measure the surface tension of liquid Ga, Sn, Bi, In, and Pb. The uncertainty of the measured surface tension was within 1%. The temperature dependences of the surface tension of liquid Ga, Sn, Bi, In, and Pb were obtained in the present experiment as follows: Ga: σGa = 737 - 0,062T mN/m (823 ≤ T ≤ 993 K) Sn: σSn = 579 - 0,066T mN/m (723 ≤ T ≤ 993 K) Bi: σBi = 417 - 0,070T mN/m (773 ≤ T ≤ 873 K) In: σIn = 600 - 0,082T mN/m (673 ≤ T ≤ 993 K) Pb: σPb = 499 - 0,089T mN/m (757 ≤ T ≤ 907 K)
公開者	Carl Hanser Verlag
掲載誌名	Zeitschrift für Metallkunde
巻	95
号	9
開始ページ	818
終了ページ	822
刊行年月	2004
ISSN	18625282
NCID	AA00896307
URL	http://hdl.handle.net/11094/26442
権利情報	©Carl Hanser Verlag, München
言語	英語

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	Zeitschrift für Metallkunde.95(9) P.818-P.822
DC.title	Measurement of the surface tension of liquid Ga, Bi, Sn, In and Pb by the constrained drop method
DC.creator	Tanaka, Toshihiro
	Nakamoto, Masashi
	Oguni, Ryosuke
	Lee, Joonho
	Hara, Shigeta
DC.publisher	Carl Hanser Verlag
DC.language" scheme="DCTERMS.RFC1766	英語
DCTERMS.issued" scheme="DCTERMS.W3CDTF	2004
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/26442
DC.subject	Large drop method
	Sessile drop method
	Capillary constant
DCTERMS.abstract	The effect of the droplet size on the accuracy of surface tension measurement by the sessile drop method is discussed for liquid metals through a simulation by using the Laplace equation. It is found that with increasing size of the droplet, a higher accuracy of the measured value of the surface tension can be obtained. In order to make a large droplet of liquid metals, the constrained drop method with a special crucible shape was applied to measure the surface tension of liquid Ga, Sn, Bi, In, and Pb. The uncertainty of the measured surface tension was within 1%. The temperature dependences of the surface tension of liquid Ga, Sn, Bi, In, and Pb were obtained in the present experiment as follows: Ga: σGa = 737 - 0,062T mN/m (823 ≤ T ≤ 993 K) Sn: σSn = 579 - 0,066T mN/m (723 ≤ T ≤ 993 K) Bi: σBi = 417 - 0,070T mN/m (773 ≤ T ≤ 873 K) In: σIn = 600 - 0,082T mN/m (673 ≤ T ≤ 993 K) Pb: σPb = 499 - 0,089T mN/m (757 ≤ T ≤ 907 K)
DC.rights	©Carl Hanser Verlag, München
citation_title	Measurement of the surface tension of liquid Ga, Bi, Sn, In and Pb by the constrained drop method
citation_author	Tanaka, Toshihiro
	Nakamoto, Masashi
	Oguni, Ryosuke
	Lee, Joonho
	Hara, Shigeta
citation_publisher	Carl Hanser Verlag
citation_language	英語
citation_date	2004
citation_journal_title	Zeitschrift für Metallkunde
citation_volume	95
citation_issue	9
citation_firstpage	818
citation_lastpage	822
citation_issn	18625282
citation_public_url	http://hdl.handle.net/11094/26442
citation_keywords	Large drop method
	Sessile drop method
	Capillary constant

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