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М/А-Constituent in Bainitic Low Carbon High Strength Steel Structure. Part 1

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Metallurgist Aims and scope

Results are provided for experimental studies of conditions for the formation of various types of M/A-constituent (structural component consisting of martensite and austenite) in the microstructure of low-carbon pipe steel specimens produced by rolling with thermomechanical treatment (controlled rolling and accelerated cooling). As a result of experiments different types of M/A constituent are obtained and the temperature-time conditions for their formation are determined. A research procedure is developed making it possible with maximum confidence to determine the type, size and volume fraction of M/A-constituent in the microstructure. Depending on cooling conditions and exposure temperature, two critical states of the M/A-constituent are identified: at high exposure temperature, predominantly twinned martensite is formed, and austenite is formed at a low temperature. At intermediate temperatures, various combinations of these phases are observed, while the fraction of martensite in the composition of M/A “islands” decreases with decreasing exposure temperature, but the fraction of austenite increases.

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References

  1. S. Zajac, V. Schwinn, and K.-H. Tacke, “Characterization and quantification of complex bainitic microstructures in high and ultrahigh strength line-pipe steels,” Proc. Intern. Symp. (San Sebastian, 2005), Materials Science Forum (2005).

  2. V. Schwinn, P. Fluess, and D. Ormston, “Low carbon bainitic TMCP plate for structural and linepipe applications,” in: Recent Advances of Niobium Containing Materials in Europe, Verlag Stahleisen GmbH, Düsseldorf (2005).

  3. M. Yu. Matrosov, I. V. Lyasotskii, A. A. Kichkina, et al., “Features and classification low-carbon low-alloy high-strength pipe steels structures,” Stal’, No. 1, 65–74 (2012).

    Google Scholar 

  4. V. Schwinn, P. Fluess, K.-H. Tacke, et al., “Bainitic steel plates for X100 and X120,” 4th Int. Conf. on Pipeline Technology (May 9–13, 2004. Ostend, Belgium) (2004).

  5. D. Boyd, I. Yakubtsov, R. Zhang, et al., “Dual phase bainitic linepipe steels,” Pipelines for the 21st Century (August 21–24, 2005, Calgary, Alberta, Canada) (2005).

  6. M. Diaz-Fuentes, A. Iza-Mendia, and I. Gutierrez, “Analysis of different acicular ferrite microstructures in low-carbon steels by electron backscattered diffraction,” Metall. Mater. Trans. A, 34A, No. 11, 2505–2516 (2003).

    Article  CAS  Google Scholar 

  7. J. M. Reichert, T. Garcin, M. Militzer, et al., “Formation of martensite/austenite (M/A) in X80 linepipe steel,” 9th Int. Pipeline Conf. (2012), IPC2012–90465.

  8. J. Shimamura, N. Ishikawa, S. Endo, et al., “Development of heavy wall X70 high strain linepipe steel,” Proc. of the 23 Int. Offshore and Polar Engineering (ISOPE) (June 30–July 5, 2013, Anchorage, Alaska, USA) (2013).

  9. A. Cota and D. Santos, “Microstructural characterization of bainitic steel submitted to torsion testing and interrupted accelerated cooling,” Materials Characterization, 44, No. 3, 291–299 (2000).

    Article  CAS  Google Scholar 

  10. F. Matsuda, et al., “Effect of M-A constituent on fracture behavior of 780 and 980 MPa class HSLA steels subjected to weld HAZ thermal cycles,” Trans. JWRI, 23, No. 2, 231–238 (1994).

    CAS  Google Scholar 

  11. F. Matsuda, et al., “Review of mechanical and metallurgical investigations of MA-constituent in welded joint in Japan,” Trans. of the JWRI (Japan Welding Research Institute), 24, No. 1, 1–24 (1995).

    CAS  Google Scholar 

  12. J. M. Reichert, W. J. Poole, M. Militzer, et al., “A new approach using EBSD to quantitatively distinguish complex transformation products along the HAZ of X80 linepipe steel,” Proc. 10th Int. Pipeline Conf. (2014), IPC’2014–33668.

  13. F. S. LePera, “Improved etching technique to emphasize martensite and bainite in high-strength dual-phase steel,” J. Metall., 32, 38–39 (1980).

    CAS  Google Scholar 

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Authors and Affiliations

  1. FGUP I. P. Bardin TsNIIchermet, Moscow, Russia

    A. A. Kichkina, M. Yu. Matrosov, I. V. Lyasotskii, E. V. Shul’ga & A. A. Efimov

  2. AO Vyksa Metallurgical Plant, Vyksa, Russia

    L. I. Éfron & D. A. Ringinen

Authors
  1. A. A. Kichkina
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  2. M. Yu. Matrosov
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  3. L. I. Éfron
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  4. D. A. Ringinen
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  5. I. V. Lyasotskii
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  6. E. V. Shul’ga
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  7. A. A. Efimov
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Corresponding author

Correspondence to A. A. Kichkina.

Additional information

I. V. Lyasotskii is deceased

Translated from Metallurg, Vol. 62, No. 8, pp. 44–52, August, 2018.

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Kichkina, A.A., Matrosov, M.Y., Éfron, L.I. et al. М/А-Constituent in Bainitic Low Carbon High Strength Steel Structure. Part 1. Metallurgist 62, 772–782 (2018). https://doi.org/10.1007/s11015-018-0719-6

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  • DOI: https://doi.org/10.1007/s11015-018-0719-6

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