Please use this identifier to cite or link to this item: http://www.repositorio.ufop.br/handle/123456789/963
Title: Effect of processing parameters on scale formation during hot steel strip rolling.
Authors: Lima Júnior, Sergio de Oliveira
Bellon, Júlio Cezar
Souza Júnior, Paulo Antônio de
Araújo, Fernando Gabriel da Silva
Cota, André Barros
Keywords: Tertiary scale
Mössbauer spectroscopy
Hot-rolled strips
Issue Date: 2010
Citation: LIMA JÚNIOR, S. de O. et al. Effect of processing parameters on scale formation during hot steel strip rolling. Materials Research, v. 13, n.1, p.11-14, jan-mar. 2010. Disponível em: <http://www.scielo.br/pdf/mr/v13n1/a04v13n1.pdf>. Acesso em: 04 jul. 2012.
Abstract: The influence of processing parameters (slab thickness, water flow of interstand cooling and oil flow in roll gap lubrication system) on the thickness and composition of the tertiary scale formed during hot strip rolling, was studied in a low carbon steel in factory. The scale formed on the rolled surface was characterized by scanning electron microscopy and Mössbauer spectroscopy. It was observed that the combined effect of a greater rolling oil volume applied, larger bar thickness, and smaller amount of water flow during interstand cooling reduces the tertiary scale thickness. Besides, a smaller crack density in the samples is associated with greater rolling oil volume and smaller oxide scale thickness. The principal phase of the scale formed in hot-rolled steel strips is stoichiometric magnetite, without isomorphic substitutions.
URI: http://www.repositorio.ufop.br/handle/123456789/963
ISSN: 15161439
metadata.dc.rights.license: Autorização concedida ao Repositório Institucional da UFOP pelo Periódico Materials Research em 25/10/2013 para depositar uma cópia eletrônica dos artigos publicados por esse periódico em que ao menos um dos autores é aluno ou professor da UFOP.
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