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Studies of wetting characteristics of liquid Fe-Cr alloys on oxide substrates by sessile drop technique
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Processing.
2010 (English)In: Ironmaking & steelmaking, ISSN 0301-9233, E-ISSN 1743-2812, Vol. 37, no 7, 512-515 p.Article in journal (Refereed) Published
Abstract [en]

The purpose of this study was to investigate the wetting characteristics of three different oxide substrates (alumina, magnesia and dolomite) in order to examine the work of adhesion of Fe-Cr alloys on these substrates. The contact angle of a liquid drop (Fe-Cr alloy) on the oxide substrates was investigated at 1823 K under a H-2 atmosphere by the sessile drop technique. The contact angle slightly decreased on the alumina and dolomite substrates with increasing chromium concentration, but did not change as much on the magnesia substrate. Among the tested substrates, alumina exhibited the highest contact angle and dolomite exhibited the lowest one. Accordingly, dolomite had the strongest work of adhesion, which was in agreement with the observations in the practical process.

Place, publisher, year, edition, pages
2010. Vol. 37, no 7, 512-515 p.
Keyword [en]
Contact angle, Sessile drop technique, Skull formation, Stainless steel
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-26637DOI: 10.1179/030192310X12700328925868ISI: 000282517800006Scopus ID: 2-s2.0-77957600802OAI: oai:DiVA.org:kth-26637DiVA: diva2:374374
Note
QC 20101203Available from: 2010-12-03 Created: 2010-11-26 Last updated: 2017-12-12Bibliographically approved

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