The surface tension of steels

Over many years NPL has carried out measurements of surface tension of steels using the levitated drop method. Much of this work has been to study variations in weld profile brought about by changes in Marangoni flow patterns in the liquid pool, and many of these data have remained unpublished. 49 f...

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Veröffentlicht in:	Journal of materials science 2005-05, Vol.40 (9-10), p.2233-2238
Hauptverfasser:	BROOKS, R. F, QUESTED, P. N
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Austenitic stainless steels Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Ferritic stainless steels Fluid surfaces and fluid-fluid interfaces Impact tests Levitation Liquids Materials science Metals. Metallurgy Physics Pools Steels Sulfur Surface energy (surface tension, interface tension, angle of contact, etc.) Surface tension Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties)
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Beschreibung
Zusammenfassung:	Over many years NPL has carried out measurements of surface tension of steels using the levitated drop method. Much of this work has been to study variations in weld profile brought about by changes in Marangoni flow patterns in the liquid pool, and many of these data have remained unpublished. 49 ferritic and austenitic steels are compared, and relationships for surface tension, and the coefficient of surface tension against temperature, based on sulphur content of the steel, are presented. Data has been reassessed using the Cummings correction to allow for the effects of the levitation forces.
ISSN:	0022-2461 1573-4803
DOI:	10.1007/s10853-005-1939-2