Skip to main content
SpringerLink
Log in

Precipitation behavior and mechanical properties of hot-rolled high strength Ti-Mo-bearing ferritic sheet steel: The great potential of nanometer-sized (Ti, Mo)C carbide

  • Article
  • Published:
Journal of Materials Research Aims and scope Submit manuscript

Abstract

A new ultrahigh strength hot rolled Ti-Mo-bearing ferritic steel was developed through chemical composition design and rolling processing optimization. To maximize the potential of nanometer-sized (Ti, Mo)C carbide in terms of strengthening ferrite matrix, the optimal chemical composition of 0.1C-0.2Ti-0.4Mo (wt%) was determined through considering the atomic ratio of elements, the solubility temperature of (Ti, Mo)C in austenite, and the excessive growth critical temperature of austenite grain during reheating. The rolling condition in the region through austenite recrystallization region to austenite nonrecrystallization region was adopted to realize a homogenous and fine ferrite grain structure. Results showed that the simulated coiling at 600 °C was found to provide an attractive combination of ferrite grain refinement hardening (360 MPa) and precipitation hardening (324 MPa). An optimal combination of strength and ductility was achieved after coiling at 600 °C (yield strength: 912 MPa; ultimate tensile strength: 971 MPa; total elongation: 16.0%). In addition, the nanometer-sized (Ti, Mo)C carbide was characterized by transmission electron microscopy (TEM) and physical-chemical phase analysis, and its role was discussed in details.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

FIG. 1
FIG. 2
FIG. 3
FIG. 4
FIG. 5
FIG. 6
FIG. 7
FIG. 8

Similar content being viewed by others

References

  1. Y. Funakawa, T. Shiozaki, K. Tomita, T. Yamamoto, and E. Maeda: Development of high strength hot-rolled sheet steel consisting of ferrite and nanometer-sized carbides. ISIJ Int. 44, 1945–1951 (2004).

    Article  CAS  Google Scholar 

  2. T. Gladman: The Physical Metallurgy of Microalloyed Steels, 2nd ed. (The Institute of Materials, London, 1997).

    Google Scholar 

  3. C.Y. Chen, H.W. Yen, F.H. Kao, W.C. Li, C.Y. Huang, J.R. Yang, and S.H. Wang: Precipitation hardening of high-strength low-alloy steels by nanometer-sized carbides. Mater. Sci. Eng., A 499, 162–166 (2009).

    Article  Google Scholar 

  4. X.G. Duan, Q.W. Cai, and H.B. Wu: Ti–Mo ferrite micro-alloy steel with nanometer-sized precipitates. Acta Metall. Sin. 47, 251–256 (2011).

    CAS  Google Scholar 

  5. B.H. Hu: Mater Dissertation, University of Science and Technology Beijing, 2012.

  6. N. Kamikawa, Y. Abe, G. Miyamoto, Y. Funakawa, and T. Furuhara: Tensile behavior of Ti, Mo-added low carbon steels with interphase precipitation. ISIJ Int. 54, 212–221 (2014).

    Article  CAS  Google Scholar 

  7. H.W. Yen, P.Y. Chen, C.Y. Huang, and J.R. Yang: Interphase precipitation of nanometer-sized carbides in a titanium–molybdenum-bearing low-carbon steel. Acta Mater. 59, 6264–6274 (2011).

    Article  CAS  Google Scholar 

  8. Y. Funakawa and K. Seto: Coarsening behavior of nanometer-sized carbides in hot-rolled high strength sheet steel. Mater. Sci. Forum 539, 4813–4818 (2007).

    Article  Google Scholar 

  9. Y.W. Kim, S.W. Song, S.J. Seo, S. Hong, and C.S. Lee: Development of Ti and Mo micro-alloyed hot-rolled high strength sheet steel by controlling thermomechanical controlled processing schedule. Mater. Sci. Eng., A 565, 430–438 (2013).

    Article  CAS  Google Scholar 

  10. C.F. Sun, Q.W. Cai, H.B.W, H.Y. Mao, and H.Z. Chen: Effect of controlled rolling processing on nanometer-sized carbonitride of Ti–Mo ferrite matrix microalloyed steel. Acta Metall. Sin. 48, 1415–1421 (2012).

    Article  Google Scholar 

  11. Y.W. Kim, S.G. Hong, Y.H. Huh, and C.S. Lee: Role of temperature in the precipitation hardening characteristics of Ti–Mo microalloyed hot-rolled high strength steel. Mater. Sci. Eng., A 615, 255–261 (2014).

    Article  Google Scholar 

  12. Y.W. Kim, J.H. Kim, S.G. Hong, and C.S. Lee: Effects of rolling temperature on the microstructure and mechanical properties of Ti–Mo microalloyed hot-rolled high strength steel. Mater. Sci. Eng., A 605, 244–252 (2014).

    Article  CAS  Google Scholar 

  13. X.G. Duan, Q.W. Cai, H.B. Wu, and D. Tang: Precipitation law of ultra fine carbides in ferrite matrix Ti–Mo microalloyed steel. J. Univ. Sci. Technol. Beijing 34, 644–650 (2012).

    CAS  Google Scholar 

  14. G. Jha, S. Das, A. Lodh, and A. Haldar: Development of hot rolled steel sheet with 600 MPa UTS for automotive wheel application. Mater. Sci. Eng., A 552, 457–463 (2012).

    Article  CAS  Google Scholar 

  15. G. Jha, S. Das, S. Sinha, A. Lodh, and A. Haldar: Design and development of precipitate strengthened advanced high strength steel for automotive application. Mater. Sci. Eng., A 561, 394–402 (2013).

    Article  CAS  Google Scholar 

  16. D.L. Li, J.F. Fang, Q.B. Liu, C.F. Lu, and J.Y. Zhang: Determination of particle size of precipitate phase in steel and alloy by small angle X-ray scattering method. Metall. Anal. 28, 1–8 (2008).

    Google Scholar 

  17. C.J. Wang, X.J. Sun, Q.L. Yong, Z.D. Li, X. Zhang, and L. Jiang: Effect of banitic transformation temperature on the microstructure and mechanical properties of the rolled trip steel containing Ti and Mo and its precipitation characteristics. Acta Metall. Sin. 49, 399–407 (2013).

    Article  CAS  Google Scholar 

  18. F.B. Picking: Physical metallurgy and the design of steels (Applied Science Publishers Ltd., London, 1978).

    Google Scholar 

  19. X.P. Mao, X.D. Huo, X.J. Sun, Y.Z. Cai: Strengthening mechanisms of a new 700 MPa hot rolled Ti-microalloyed steel produced by compact strip production. J. Mater. Process. Technol., 210, 1660–1666 (2010).

    Article  CAS  Google Scholar 

  20. Q.L. Yong, M.T. Ma, and B.R. Wu: Microalloyed Steel-Physical, and Mechanical Metallurgy (China Machine Press, Beijing, 1989).

    Google Scholar 

  21. N.J. Petch: The cleavage strength of polycrystals. J. Iron Steel Inst., London 174, 25–28 (1953).

    CAS  Google Scholar 

  22. N.J. Petch: The ductile-brittle transition in the fracture of a-iron. Philos. Mag. 34, 1089–1097 (1958).

    Article  Google Scholar 

  23. Q.L. Yong: Secondary Phases in Steel (Metallurgical Industry Press, Beijing, 2006).

    Google Scholar 

  24. Y.F. Shen, C.M. Wang, and X. Sun: A micro-alloyed ferritic steel strengthened by nanoscale precipitates. Mater. Sci. Eng., A 528, 8150–8156 (2011).

    Article  CAS  Google Scholar 

  25. J.E. Bailey and P.B. Hirsch: The dislocation distribution, flow stress, and stored energy in cold-worked polycrystalline silver. Philos. Mag. 5, 485–497 (1960).

    Article  CAS  Google Scholar 

  26. G.Y. Chin and W.L. Mammel: T Computer solutions of Taylor analysis for axisymmetric flow. Trans. Metall. Soc. AIME 239, 1400–1409 (1967).

    CAS  Google Scholar 

  27. A.S. Keh: Work hardening and deformation sub-structure in iron single crystals deformed in tension at 298 K. Philos. Mag. 12, 9–30 (1965).

    Article  CAS  Google Scholar 

  28. K. Zhang, Q.L. Yong, X.J. Sun, Z.D. Li, P.L. Zhao, and S.D. Chen: Effect of tempering temperature on microstructure and mechanical properties of high Ti microalloyed directly quenched high strength steel. Acta Metall. Sin. 50, 913–920 (2014).

    CAS  Google Scholar 

  29. B. Dutta, E. Valdes, and C.M. Sellars: Mechanism and kinetics of strain induced precipitation of Nb (C, N) in austenite. Acta Mater. 40, 653–662 (1992).

    Article  CAS  Google Scholar 

  30. B. Dutta, E.J. Palmiere, and C.M. Sellars: Modelling the kinetics of strain induced precipitation in Nb microalloyed steels. Acta Mater. 49, 785–794 (2001).

    Article  CAS  Google Scholar 

  31. Y.L. Kang: Theory and technology of processing and forming for advanced automobile steel sheets (Metallurgical Industry Press, Beijing, 2009).

    Google Scholar 

  32. R. Lagneborg and S. Zajac: A model for interphase precipitation in V-microalloyed structural steels. Metall. Mater. Trans. A 32, 39–50 (2001).

    Article  Google Scholar 

  33. E. Pereloma, B. Crawford, and P. Hodgson: Strain-induced precipitation behavior in hot rolled strip steel. Mater. Sci. Eng., A 299, 27–37 (2001).

    Article  Google Scholar 

  34. Z.Q. Wang: PhD Thesis, Tsinghua University, Beijing, 2013.

  35. R.W.K. Honeycombe and R.F. Mehl: Transformation from austenite in alloy steels. Metall. Trans. A 7, 915–936 (1976).

    Article  Google Scholar 

  36. R.M. Smith and D.P. Dunne: Structural aspects of alloy carbonitride precipitation in microalloyed steels. Materials Forum, 11, 166–181.

  37. D.A. Porter, K.E. Easterling, and M. Sherif: Phase Transformations in Metals and Alloys, (Revised Reprint) (CRC Press, Boca Raton, 2009).

    Book  Google Scholar 

  38. Z.Q. Wang, X.J. Sun, Z.G. Yang, Q.L. Yong, Z. Zhang, Z.D. Li, and Y.Q. Weng: Carbide precipitation in austenite of a Ti–Mo-containing low-carbon steel during stress relaxation. Mater. Sci. Eng., A 573, 84–91 (2013).

    Article  CAS  Google Scholar 

Download references

ACKNOWLEDGMENTS

This research was financially supported by the National Basic Research Program of China (No. 2015CB654803), National Natural Science Foundation of China (No. 51201036), National Science and Technology Pillar Program (No. 2013BAE07B05), and Foundation of China Iron and Steel Research Institute Group.

Author information

Authors and Affiliations

  1. School of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, 650093, China

    Ke Zhang

  2. Department of Structural Steels, Central Iron and Steel Research Institute, Beijing, 100081, China

    Ke Zhang, Zhaodong Li, Xinjun Sun & Qilong Yong

  3. Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, China, Harbin Engineering University, Harbin, 150001, China

    Zhenqiang Wang

Authors
  1. Ke Zhang
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Zhaodong Li
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Zhenqiang Wang
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. Xinjun Sun
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Qilong Yong
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding authors

Correspondence to Ke Zhang or Zhenqiang Wang.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Zhang, K., Li, Z., Wang, Z. et al. Precipitation behavior and mechanical properties of hot-rolled high strength Ti-Mo-bearing ferritic sheet steel: The great potential of nanometer-sized (Ti, Mo)C carbide. Journal of Materials Research 31, 1254–1263 (2016). https://doi.org/10.1557/jmr.2016.154

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1557/jmr.2016.154

Search

Navigation