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Stress relaxation behavior of molten slags
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Process Science.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Process Science.
2006 (English)In: ISIJ International, ISSN 0915-1559, E-ISSN 1347-5460, Vol. 46, no 8, 1258-1263 p.Article in journal (Refereed) Published
Abstract [en]

In the present work, a method to measure stress relaxation of molten slags, developed earlier by one of the authors, was applied to mould flux slags as well as synthetic slags. The molten slag was sandwiched by two Pt plates and was compressed. And stress relaxation tests (the structural relaxation of molten slags) have been conducted by compressing the molten slags as well as mould flux slags at strain rates of 10 mm/min. The results of stress relaxation tests were discussed from the viewpoint of relaxation time and structure of slags with the aid of Raman spectroscopy. The stress relaxation behavior is found to be linked to the structure of slags. The residual stress after a compression was increased with increasing of Al2O3 content and with decreasing of CaF2 content. The relaxation behavior was changed drastically with increasing of temperature for some molten slags.

Place, publisher, year, edition, pages
2006. Vol. 46, no 8, 1258-1263 p.
Keyword [en]
stress relaxation, compressibility, molten slag, mould flux, structure of slag
Identifiers
URN: urn:nbn:se:kth:diva-15947ISI: 000240083800021Scopus ID: 2-s2.0-33750039640OAI: oai:DiVA.org:kth-15947DiVA: diva2:333989
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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