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Title:
Surface Tension and Its Temperature Coefficient of Molten Tin Determined with the Sessile Drop Method at Different Oxygen Partial Pressures
Author: Zhang FY; Mukai K; Takagi k; Ohtaka m; Wen LH; Liu QS(刘秋生)
Source: Journal of Colloid and Interface Science
Issued Date: 2002
Volume: 254, Issue:2, Pages:338-345
English Abstract: The surface tension of molten tin has been determined by the sessile drop method at The surface tension of molten tin has been determined by the sessile drop method at temperatures ranging from 523 to 1033 K and in the oxygen partial pressure (P-O2) range from 2.85 x 10(-19) to 8.56 x 10(-6) MPa, and its dependence on temperature and oxygen partial pressure has been analyzed. At P-O2 = 2.85 x 10(-19) and 1.06 x 10(-15) MPa, the surface tension decreases linearly with the increase of temperature and its temperature coefficients are -0.151 and -0.094 mNm(-1) K-1, respectively. However, at high P-O2 (3.17 x 10(-10), 8.56 x 10(-6) MPa), the surface tension increases with the temperature near the melting point (505 K) and decreases above 723 K. The surface tension decrease with increasing P-O2 is much larger near the melting point than at temperatures above 823 K. The contact angle between the molten tin and the alumina substrate is 158-173degrees, and the wettability is poor.
Language: 英语
Indexed Type: SCI
Corresponding Author: Yuan, ZF (reprint author), Chinese Acad Sci, Inst Proc Engn, Multiphase React Lab, Zhong Guan Cun,POB 353, Beijing 100080, Peoples R China.
DOI: 10.1006/jcis.2002.8589
DOC Type: Article
WOS Subject: Chemistry, Physical
WOS Subject Extended: Chemistry
WOS Keyword Plus: AUGER-ELECTRON SPECTROSCOPY ; LIQUID-TIN ; DENSITY ; METALS ; WETTABILITY ; ADSORPTION ; VISCOSITY ; SYSTEM ; MELTS
WOS ID: WOS:000178935400018
ISSN: 0021-9797
Subject: 力学
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/16610
Appears in Collections:力学所知识产出(1956-2008)_期刊论文

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Recommended Citation:
Zhang FY,Mukai K,Takagi k,et al. Surface Tension and Its Temperature Coefficient of Molten Tin Determined with the Sessile Drop Method at Different Oxygen Partial Pressures[J]. Journal of Colloid and Interface Science,2002-01-01,254(2):338-345.
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