Change search
ReferencesLink to record
Permanent link

Direct link
Depletion of carbon from Al2O3-C mixtures into liquid iron: Rate controlling mechanisms
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Process Science.
2007 (English)In: Canadian metallurgical quarterly, ISSN 0008-4433, E-ISSN 1879-1395, Vol. 46, no 1, 25-32 p.Article in journal (Refereed) Published
Abstract [en]

A sessile drop investigation on the kinetics of carbon dissolution from an alumina-carbon composite (75% C, 25% alumina) and a commercial refractory (28.3% C, 66.67% alumina, 5% binder) into liquid iron at 1600 degrees C is reported. Carbon dissolution from refractory substrates was very slow reaching 0.84% C and 0.1% C, respectively after 60 minutes. Both substrates also showed poor wettability. Experimental studies were supplemented with atomistic Monte Carlo simulations to investigate the influence of composition, temperature and melt turbulence. High carbon systems (100% C and 75% C, balance alumina) were affected by both temperature and melt turbulence to some extent; increased levels of melt turbulence/higher temperatures had no influence on low carbon (30% C) system. While mass transfer was the dominant rate controlling mechanism for high carbon systems, poor wettability of alumina with liquid iron and its significant influence on inhibiting the penetration of liquid iron in the refractory matrix was found to be the dominant rate controlling factor for low carbon refractories.

Place, publisher, year, edition, pages
2007. Vol. 46, no 1, 25-32 p.
Keyword [en]
monte-carlo-simulation, c-s melts, graphite, dissolution, sulfur
URN: urn:nbn:se:kth:diva-16413ISI: 000244511400004ScopusID: 2-s2.0-33847194633OAI: diva2:334455
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

Open Access in DiVA

No full text


Search in DiVA

By author/editor
Seetharaman, Seshadri
By organisation
Materials Process Science
In the same journal
Canadian metallurgical quarterly

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Total: 29 hits
ReferencesLink to record
Permanent link

Direct link