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Título: | Influence of thermomechanical processing on shear bands formation and magnetic properties of a 3% Sinon-oriented electrical steel. |
Autor(es): | Dafé, Sara Silva Ferreira de Paolinelli, Sebastião da Costa Cota, André Barros |
Palavras-chave: | Hot band grain size Magnetic property Non-oriented silicon steel Shear band Texture Cold strain |
Data do documento: | 2011 |
Referência: | DAFÉ, S. S. F. de ; PAOLINELLI, S. da C. ; COTA, A. B. Influence of thermomechanical processing on shear bands formation and magnetic properties of a 3% Sinon-oriented electrical steel. Journal of Magnetism and Magnetic Materials, v. 323, n.24, p.3234–3238, dez. 2011. Disponível em: http://www.sciencedirect.com/science/article/pii/S0304885311004793. Acesso em: 04/07/2012. |
Resumo: | The effect of thermomechanical processing on the formation of shear bands and on the magnetic properties of a3.0wt% silicon non-oriented steel was investigated by hotrolling samples with different thick nessesat different temperatures, in order to obtain a variation in hot band grain size and cold strain. All the samples were processed in a single-stage cold rolling and finally annealed at 1020 1C. It was found that thein crease of the hot band grain size decreases the g fiber volume fraction and increases the Z fiber volume fraction after the final annealing. The increase of the cold strain strongly contributed to this result. A good combination of intense generation of shear bands, and proper crystallographic texture, due to higher nucleation of grains with favorable orientations to magnetiza-tion in these bands, can be obtained for the samples hot rolled at 1000 and 1120 1C and submitted to cold strain of 64.3% and 72.2% respectively. However the best combination of B50, W15/60 and mr can be obtained by hot rolling the samples at 1000 1C to the thickness of 1.4mm, corresponding to 64.3% of cold strain. |
URI: | http://www.repositorio.ufop.br/handle/123456789/961 |
ISSN: | 03048853 |
Licença: | O Periódico Journal of Magnetism and Magnetic Materials concede permissão para depósito do artigo no Repositório Institucional da UFOP. Número da licença: 3460300497591. |
Aparece nas coleções: | DEFIS - Artigos publicados em periódicos |
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ARTIGO_InfluenceThermomechanicalProcessing.pdf | 798,99 kB | Adobe PDF | Visualizar/Abrir |
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