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Effect of tempering on development of carbide particles in 2.7Cr-0.6Mo-0.3V steel

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Abstract

To study the influence of tempering conditions (823–1058 K, 9–3600 ks) on the phase transformations and changes of morphology, size and chemical composition of carbide particles in 2.7Cr-0.6Mo-0.3V steel, the methods of, electron diffraction and EDXS/STEM have been used. Three carbide types: M3C, M7C3 and MC have been identified altogether, the last two of which are equilibrium ones under given conditions. Diagrams describing changes in chemical composition of carbide particles and the average size during tempering have been constructed. In the development of carbide chemical composition three stages have been recorded. The carbide particles grow continuously with the increasing of time and/or temperature of tempering.

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Authors and Affiliations

  1. Institute of Experimental Metallurgy, Slovak Academy of Sciences, Watsonova 47, 04353, Košice, Czechoslovakia

    J. Janovec & A. Výrostková

  2. Welding Research Institute, Bratislava, Czechoslovakia

    A. Holý

Authors
  1. J. Janovec
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  2. A. Výrostková
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  3. A. Holý
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Janovec, J., Výrostková, A. & Holý, A. Effect of tempering on development of carbide particles in 2.7Cr-0.6Mo-0.3V steel. J Mater Sci 27, 6564–6572 (1992). https://doi.org/10.1007/BF01165937

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  • DOI: https://doi.org/10.1007/BF01165937

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