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Surface modifications of upgraded high-speed tool steel

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Abstract

The SW7M high-speed tool steel of composition Fe (80%), Mo (5%), Cr (4%), V (2%) and C (1%) was studied by conversion electron Mössbauer spectroscopy at 293 K. The specimen consists mainly of α-Fe, martensite and austenite grains. The unwanted fraction of austenite was reduced by polishing the sample in an external magnetic field. At elevated temperatures, the SW7M steel exhibits a selective oxidation of its fraction. The corrosion rate is sigificantly reduced by N and Ti low-energy ion bombardment.

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References

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Authors and Affiliations

  1. Institute of Physics, Cracow University of Technology, Cracow, Poland

    P. Fornal

  2. Institute of Physics, Jagiellonian University, Cracow, Poland

    J. Stanek & H. Binczycka

  3. Production Engineering Institute, Cracow University of Technology, Cracow, Poland

    J. Gawlik & E. Wantuch

Authors
  1. P. Fornal
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  2. J. Stanek
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  3. J. Gawlik
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  4. E. Wantuch
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  5. H. Binczycka
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Fornal, P., Stanek, J., Gawlik, J. et al. Surface modifications of upgraded high-speed tool steel. Hyperfine Interact 92, 1355–1360 (1994). https://doi.org/10.1007/BF02065778

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  • DOI: https://doi.org/10.1007/BF02065778

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