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Cementitious phases in ladle slag
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Industriell miljö- och processteknik.ORCID-id: 0000-0001-9297-8521
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Industriell miljö- och processteknik.
2011 (engelsk)Inngår i: Steel Research International, ISSN 1611-3683, E-ISSN 1869-344X, Vol. 82, nr 4, s. 398-403Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Ladle slag is an internal by-product generated within the steelmaking industry during the refining of steel. The realisation of beneficial inherent properties of ladle slag as a binder supplement or substitute material is believed to be advantageous with respect to both economy and environment for steelmakers. For this reason, the current study has focused on highlighting the properties of ladle slag that are pertinent to the formation of calcium aluminate hydrates. Three fractions of ladle slag, two of which were based on different slag formers, have been characterised using XRF, XRD and calorimetric analysis. Commonly known hydraulic minerals such as mayenite, tricalcium aluminate and dicalcium silicate were detected during analysis. An important aspect in the utilisation of ladle slag is the slag handling methodology. Therefore, this study also highlights and discusses the need to reconsider slag handling procedures concerning unnecessary exposure to weathering and the possible need for further processing of the slag in order to better employ the inherent hydraulic properties of this material.

sted, utgiver, år, opplag, sider
2011. Vol. 82, nr 4, s. 398-403
HSV kategori
Forskningsprogram
Processmetallurgi
Identifikatorer
URN: urn:nbn:se:ltu:diva-3197DOI: 10.1002/srin.201000176ISI: 000290050900012Scopus ID: 2-s2.0-79953702541Lokal ID: 0fdccd71-4ad2-40dd-87a9-8cf23e7cf7b4OAI: oai:DiVA.org:ltu-3197DiVA, id: diva2:976053
Merknad
Validerad; 2011; 20110510 (ysko)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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