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Thermal and Thermal-Stressed States of Railway Wheels in the Process of Local Surface Hardening

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Abstract

We study the thermal and thermal-stressed states of the tires of railway wheels in the process of local surface hardening. For different points of the cross section of a tire, we determine the time dependences of temperature, thermal stresses, strains, strain rates, and the ratios of principal stresses. It is shown that, in the process of hardening, the material is subjected to alternating elastoplastic straining. The influence of location of the plasmotron on the levels of temperatures and thermal stresses is analyzed.

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Authors and Affiliations

  1. Pisarenko Institute of Problems of Strength, National Academy of Sciences of Ukraine, Kiev, Ukraine

    B. S. Karpinos, V. G. Barilo, N. G. Solov'eva & V. V. Zadorozhnyi

  2. TOPAS Scientific-and-Production Plant, Kiev, Ukraine

    S. V. Petrov & A. G. Saakov

  3. Paton Institute of Electric Welding, National Academy of Sciences of Ukraine, Kiev, Ukraine

    L. I. Markashova & M. I. Valevich

  4. National Technical University of Ukraine “Kiev Polytechnic Institute,”, Kiev, Ukraine

    V. P. Drogovoz

Authors
  1. B. S. Karpinos
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  2. V. G. Barilo
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  3. S. V. Petrov
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  4. A. G. Saakov
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  5. L. I. Markashova
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  6. M. I. Valevich
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  7. V. P. Drogovoz
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  8. N. G. Solov'eva
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  9. V. V. Zadorozhnyi
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Karpinos, B.S., Barilo, V.G., Petrov, S.V. et al. Thermal and Thermal-Stressed States of Railway Wheels in the Process of Local Surface Hardening. Strength of Materials 36, 304–313 (2004). https://doi.org/10.1023/B:STOM.0000035764.08196.39

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  • DOI: https://doi.org/10.1023/B:STOM.0000035764.08196.39

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