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Fracture of ledeburite and hypereutectoid high-speed steels

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Metal Science and Heat Treatment Aims and scope

Fracture mechanisms are considered for high-speed steels of ledeburite (R6M5) and hypereutectoid (11M5F) classes. It is shown that formation of critical length cracks for hypereutectoid steels occurs as a result of not only elastic, but also significant plastic strain, and therefore work for crack generation is significantly greater for steel 11M5F than for R6M5. A relationship is established between strain and work for failure with static bending on one hand, and impact strength on the other.

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Authors and Affiliations

  1. MGTU “STANKIN”, Moscow, Russia

    A. M. Adaskin & L. S. Kremnev

  2. A. A. Baikov IMET RAN, Moscow, Russia

    I. Yu. Sapronov

Authors
  1. A. M. Adaskin
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  2. L. S. Kremnev
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  3. I. Yu. Sapronov
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Correspondence to I. Yu. Sapronov.

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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 6, pp. 23 – 28, June, 2011.

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Adaskin, A.M., Kremnev, L.S. & Sapronov, I.Y. Fracture of ledeburite and hypereutectoid high-speed steels. Met Sci Heat Treat 53, 280–284 (2011). https://doi.org/10.1007/s11041-011-9383-1

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  • DOI: https://doi.org/10.1007/s11041-011-9383-1

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