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Crystallographic, hyperfine and magnetic characterization of a maraging-400 alloy

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Abstract

Maraging400-like alloys were made by arc-melting iron with the alloy elements (i.e., Ni, Co, Ti and Mo), followed by a high temperature heat-treatment for solubilization. The solubilized alloys were further heat-treated (480 °C and 580 °C, by 3 h), for aging. The samples were finely characterized by X-ray diffraction (Rietveld refinement), Mössbauer spectroscopy and magnetization techniques. The results revealed that the as-solubilized sample is martensitic and ferromagnetic. Its residual induction and coercive field increase monotonically with the maximum applied field of a magnetization minor loop and both curves presented very similar shapes. The area of the minor loops varies parabolically with this maximum applied field. The aging induced an atomic rearrangement in the martensite phase, involving change in the composition and lattice parameters, reversion of austenite and the formation of the Fe 3 Mo 2 intermetallic compound. Comparisons are presented between the results obtained by us for these alloys and those obtained for Maraging-350 steel samples.

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Authors and Affiliations

  1. Universidade Estadual de Maringá, Maringá, Brazil

    T. J. B. Alves, G. C. S. Nunes, F. F. Ivashita & A. Paesano Jr.

  2. Universidade Tecnológica Federal do Paraná, Campo Mourão, Brazil

    P. W. C. Sarvezuk

  3. Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil

    A. M. H. de Andrade

  4. Universidade Federal de Santa Catarina, Florianópolis, Brazil

    A. Viegas

Authors
  1. T. J. B. Alves
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  2. G. C. S. Nunes
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  3. P. W. C. Sarvezuk
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  4. F. F. Ivashita
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  5. A. M. H. de Andrade
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  6. A. Viegas
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  7. A. Paesano Jr.
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Corresponding author

Correspondence to A. Paesano Jr..

Additional information

This article is part of the Topical Collection on Proceedings of the 15th Latin American Conference on the Applications of the Mössbauer Effect (LACAME 2016), 13–18 November 2016, Panama City, Panama

Edited by Juan A. Jaén

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Alves, T.J.B., Nunes, G.C.S., Sarvezuk, P.W.C. et al. Crystallographic, hyperfine and magnetic characterization of a maraging-400 alloy. Hyperfine Interact 238, 45 (2017). https://doi.org/10.1007/s10751-017-1418-6

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  • DOI: https://doi.org/10.1007/s10751-017-1418-6

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