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Surface tension of molten bismuth at different oxygen partial pressure with the sessile drop method
Alternative TitleScand. J. Metall.
Yuan, ZF; Fan, JF; Lil, J; Ke, JJ; Mukai, K
2004-12-01
Source PublicationSCANDINAVIAN JOURNAL OF METALLURGY
ISSN0371-0459
Volume33Issue:6Pages:338-346
AbstractThe surface tension of molten bismuth has been analyzed and determined by the sessile drop method at temperatures ranging from 573 to 973 K and in the oxygen partial pressure (P-o2) range from 8.56 x 10(-16) to 8.37 x 10(-6) M Pa. At P-o2 = 8.56 x 10(-16) and 5.23 x 10(-13) MPa, the surface tension decreases linearly with the increase in temperature and its temperature coefficients are -0.087 and -0.064 mN/m/K, respectively. However, at high P-o2 in argon gas (8.37 x 10-6 MPa, not deoxidized with magnesium chips), the surface tension values and the absolute value of its temperature coefficient are both smaller than that at low P-o2 ranging from 8.56 x 10-16 to 5.23 x 10-13 MPa. Based on the review of the surface tension and the temperature coefficient of molten bismuth reported by various investigators, the surface tension obtained by our research is recommended as sigma (mN/m) = 382 -0.076 (T - 544 K). The effect of oxygen in the measurement atmosphere is considered from thermodynamics and kinetics on the basis of a model, and the experimental results can be explained qualitatively.; The surface tension of molten bismuth has been analyzed and determined by the sessile drop method at temperatures ranging from 573 to 973 K and in the oxygen partial pressure (P-o2) range from 8.56 x 10(-16) to 8.37 x 10(-6) M Pa. At P-o2 = 8.56 x 10(-16) and 5.23 x 10(-13) MPa, the surface tension decreases linearly with the increase in temperature and its temperature coefficients are -0.087 and -0.064 mN/m/K, respectively. However, at high P-o2 in argon gas (8.37 x 10-6 MPa, not deoxidized with magnesium chips), the surface tension values and the absolute value of its temperature coefficient are both smaller than that at low P-o2 ranging from 8.56 x 10-16 to 5.23 x 10-13 MPa. Based on the review of the surface tension and the temperature coefficient of molten bismuth reported by various investigators, the surface tension obtained by our research is recommended as sigma (mN/m) = 382 -0.076 (T - 544 K). The effect of oxygen in the measurement atmosphere is considered from thermodynamics and kinetics on the basis of a model, and the experimental results can be explained qualitatively.
KeywordMolten Bismuth Oxygen Partial Pressures Sessile Drop Method Surface Tension
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
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Indexed BySCI
Language英语
WOS KeywordTEMPERATURE-COEFFICIENT ; LIQUID ALLOYS ; PURE METALS ; SILICON ; BI ; DENSITY ; LEAD ; TIN ; PB ; MODEL
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000226001900006
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Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5025
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Beijing 100080, Peoples R China
2.Kyushu Inst Technol, Fac Engn, Dept Mat Sci & Engn, Kitakyushu, Fukuoka 8048550, Japan
Recommended Citation
GB/T 7714
Yuan, ZF,Fan, JF,Lil, J,et al. Surface tension of molten bismuth at different oxygen partial pressure with the sessile drop method[J]. SCANDINAVIAN JOURNAL OF METALLURGY,2004,33(6):338-346.
APA Yuan, ZF,Fan, JF,Lil, J,Ke, JJ,&Mukai, K.(2004).Surface tension of molten bismuth at different oxygen partial pressure with the sessile drop method.SCANDINAVIAN JOURNAL OF METALLURGY,33(6),338-346.
MLA Yuan, ZF,et al."Surface tension of molten bismuth at different oxygen partial pressure with the sessile drop method".SCANDINAVIAN JOURNAL OF METALLURGY 33.6(2004):338-346.
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