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Variation in the structure and properties of cast-iron sealing rings under magnetic-pulse treatment

  • Electrical Surface Treatment Methods
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Abstract

The variation in the structure and properties of cast-iron sealing rings (content in wt %: 2.8–3.0 Si; 0.4–0.6 Mn; 0.1–0.2 Cr; 0.5–0.6 Ni; 0.7–0.9 Cu; 0.04–0.06 Mg; 2.8–3.0 C) under their exposure to a 5.28-MHz pulsed magnetic field is studied. Variations in the eutectoid morphology, the internal structure of the graphite inclusions, and the size of the free cementite inclusions, which result in the enhancement of the hardness, are observed. The magnetic-pulse treatment of rings induces compression stresses in them. The physicomechanical properties of the rings change periodically upon the variation of the number of treatment cycles. The optimum mode corresponds to two cycles.

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Authors and Affiliations

  1. State Scientific Institution, Physical-Technical Institute, National Academy of Sciences of Belarus, ul. Kuprevicha 10, Minsk, 220141, Republic of Belarus

    A. G. Anisovich, I. N. Rumyantseva & P. N. Misuno

  2. State Scientific Institution, Institute of Metal Technology, National Academy of Sciences of Belarus, ul. Byalynitskogo-Biruli 11, Mogilev, 212030, Republic of Belarus

    V. F. Bevza

  3. State Scientific Institution, Stepanov Institute of Physics, National Academy of Sciences of Belarus, pr. Nezavisimosti 68, Minsk, 220072, Republic of Belarus

    V. V. Azharonok

Authors
  1. A. G. Anisovich
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  2. I. N. Rumyantseva
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  3. P. N. Misuno
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  4. V. F. Bevza
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  5. V. V. Azharonok
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Correspondence to A. G. Anisovich.

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Original Russian Text © A.G. Anisovich, I.N. Rumyantseva, P.N. Misuno, V.F. Bevza, V.V. Azharonok, 2010, published in Elektronnaya Obrabotka Materialov, 2010, No. 2, pp. 19–26.

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Anisovich, A.G., Rumyantseva, I.N., Misuno, P.N. et al. Variation in the structure and properties of cast-iron sealing rings under magnetic-pulse treatment. Surf. Engin. Appl.Electrochem. 46, 100–107 (2010). https://doi.org/10.3103/S1068375510020031

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  • DOI: https://doi.org/10.3103/S1068375510020031

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