Influence of grain size and additions of Al and Mn on the magnetic properties of non-oriented electrical steels with 3 wt. (%) Si

AUTOR(ES)

Cardoso, Rodrigo Felix de Araujo, Brandao, Luiz, Cunha, Marco Antônio da

FONTE

Materials Research

DATA DE PUBLICAÇÃO

2008-03

RESUMO

The influence of hot-band grain size and additions of aluminum and manganese on the magnetic properties of non-oriented grain (NOG) low-carbon electrical steel with about 3 wt. (%) Si were investigated using optical microscopy and X ray diffraction. The addition of manganese resulted in larger grains after final annealing. Coarse grains in the hot-band and addition of Mn led to a Goss orientation component after final annealing, which resulted in an increase in the magnetic permeability.

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