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Effect of annealing on magnetic properties of Fe-47.5%Ni alloy

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Journal of Materials Engineering

Abstract

The effect of annealing temperature on grain size, maximum permeability and coercive force of 47.5% nickel—iron alloys with different sulfur contents was investigated. Alloys with lower sulfur content require lower annealing temperature to attain specified values of magnetic properties. The experimental results show that the coefficient 3y/Ms, wherey is the domain wall energy andM s is the saturation magnetization, can be used to correlate both coercive force and maximum permeability to grain size.

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Authors and Affiliations

  1. IPT/DIMET, Av. Prof. Almeida Prado, 532 Cidade Universitaria, San (Sao) Paulo, Brazil

    Fernando José Gomes Landgraf, Flávio Beneduce Neto, Daniel Rodrigues, Gilberto Concílio & Ronald Lesley Plaut

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  1. Fernando José Gomes Landgraf
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  2. Flávio Beneduce Neto
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  3. Daniel Rodrigues
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  4. Gilberto Concílio
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  5. Ronald Lesley Plaut
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Landgraf, F.J.G., Neto, F.B., Rodrigues, D. et al. Effect of annealing on magnetic properties of Fe-47.5%Ni alloy. J. Materials Engineering 11, 45–49 (1989). https://doi.org/10.1007/BF02833753

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