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Effect of Temperature, Fractional Deformation, and Cooling Rate on the Structure and Properties of Steel 09GNB

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Abstract

The effect of temperature, divisibility of deformation, and cooling rate in high-temperature thermomechanical treatment (HTTMT) on the structure and mechanical properties of low-alloy steel 09GNB is studied. The steel is used as a high-strength material for the production of offshore structures, strips, and other welded articles. The study is performed using the method of experimental design where the parameters are fractional deformation (number of passes in rolling), final temperature of the deformation, and rate of post-deformation cooling. The results of the experiments are used to construct regression equations describing the qualitative and quantitative effect of the parameters of HTTMT on the mechanical properties of the steel. Microstructure and fracture surfaces of the steel are analyzed.

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Authors and Affiliations

  1. St. Petersburg State Polytechnic University, St. Petersburg, Russia

    G. E. Kodzhaspirov & R. V. Sulyagin

  2. TK OMZ-Izhora Research Center, St. Petersburg, Russia

    G. E. Kodzhaspirov & R. V. Sulyagin

Authors
  1. G. E. Kodzhaspirov
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  2. R. V. Sulyagin
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 2, pp. 7 – 10, February, 2005.

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Kodzhaspirov, G.E., Sulyagin, R.V. Effect of Temperature, Fractional Deformation, and Cooling Rate on the Structure and Properties of Steel 09GNB. Met Sci Heat Treat 47, 43–47 (2005). https://doi.org/10.1007/s11041-005-0029-z

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  • DOI: https://doi.org/10.1007/s11041-005-0029-z

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