Characterization, microstructure and corrosion behavior of magnesia refractories produced from recycled refractory aggregates / Farzin Arianpour in Minerals engineering, Vol. 23 N° 3 (Fevrier 2010)  

Public ISBD [article]  inMinerals engineering > Vol. 23 N° 3 (Fevrier 2010) . - pp. 273–276 Titre : Characterization, microstructure and corrosion behavior of magnesia refractories produced from recycled refractory aggregates Type de document : texte imprimé Auteurs : Farzin Arianpour, Auteur ; Faramarz Kazemi, Auteur ; Farhad Golestani Fard, Auteur Année de publication : 2011 Article en page(s) : pp. 273–276 Note générale : Génie Minier Langues : Anglais (eng) Mots-clés : Industrial minerals Crushing Particle size Environmental Recycling Résumé : This paper aims to report the results of some investigations carried out in Iranian steel industries to reuse the spent magnesia graphite refractory bricks in the forms of the new shaped and unshaped magnesia refractories. Economical aspects of recycling and minimizing the environmental effects of spent refractories landfills were the basic goals of this research. The spent MgO–C refractory bricks from electric arc (EAF) and ladle (LF) furnaces were analyzed in terms of microstructural and chemical properties. Different samples were prepared from natural sintered magnesia and 10–30 wt.% of recycled aggregates in the forms of magnesia refractory brick and ramming mix and their physical and mechanical properties were evaluated. Also the slag corrosion behavior and microstructural properties of corroded samples were investigated. The results showed that the addition of up to 30 wt.% of recycled aggregates had no negative effects on the properties of magnesia refractories. DEWEY : 622 ISSN : 0892-6875 En ligne : http://www.sciencedirect.com/science/article/pii/S0892687509002799 [article] Characterization, microstructure and corrosion behavior of magnesia refractories produced from recycled refractory aggregates [texte imprimé] / Farzin Arianpour, Auteur ; Faramarz Kazemi, Auteur ; Farhad Golestani Fard, Auteur . - 2011 . - pp. 273–276. Génie Minier Langues : Anglais (eng) in Minerals engineering > Vol. 23 N° 3 (Fevrier 2010) . - pp. 273–276 Mots-clés : Industrial minerals Crushing Particle size Environmental Recycling Résumé : This paper aims to report the results of some investigations carried out in Iranian steel industries to reuse the spent magnesia graphite refractory bricks in the forms of the new shaped and unshaped magnesia refractories. Economical aspects of recycling and minimizing the environmental effects of spent refractories landfills were the basic goals of this research. The spent MgO–C refractory bricks from electric arc (EAF) and ladle (LF) furnaces were analyzed in terms of microstructural and chemical properties. Different samples were prepared from natural sintered magnesia and 10–30 wt.% of recycled aggregates in the forms of magnesia refractory brick and ramming mix and their physical and mechanical properties were evaluated. Also the slag corrosion behavior and microstructural properties of corroded samples were investigated. The results showed that the addition of up to 30 wt.% of recycled aggregates had no negative effects on the properties of magnesia refractories. DEWEY : 622 ISSN : 0892-6875 En ligne : http://www.sciencedirect.com/science/article/pii/S0892687509002799

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