Skip to main content
SpringerLink
Log in

Deformation characteristics of dual-phase steels

  • Published:
Metallurgical Transactions A Aims and scope Submit manuscript

Abstract

An investigation was made to determine the effect of volume fraction of martensite on the strength, ductility, and fracture behavior of dual-phase steels. For both V-and Mo-bearing alloys, a linear relationship was found to exist between the amount of martensite and both tensile strength and uniform elongation. Contrary to previous reports that predict microcracking of martensite above 0.2 volume fraction to be responsible for a drop-off in ductility, no martensite cracking was found. Fracture was caused by void formation at small inclusions or at the ferrite/martensite interface. In severely banded structures, the strength/ductility relationship was detrimentally affected because of the tendency for crack propagation in the less ductile martensite without the cracks being blunted by the ferrite matrix.

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

Similar content being viewed by others

References

  1. K. Araki, Y. Takada, and K. Nakaoka:Trans IS1J, 1977, vol. 17, p. 710.

    CAS  Google Scholar 

  2. K. Araki, S. Fukunaka, and K. Uchida:Trans 1SIJ, 1977, vol. 17, p. 701.

    CAS  Google Scholar 

  3. C. K. Nakaoka, K. Araki, and K. Kurihara:Formable HSLA and Dual-Phase Steels, A. T. Davenport, ed., AIME, 1979, p. 126.

  4. R. Lagneborg:Dual-Phase and Cold Pressing Vanadium Steels in the Automobile Industry, Proc. of Seminar, Vanitec, Berlin, 1978, p. 43.

    Google Scholar 

  5. R.G. Davies:Metall. Trans. A, 1978, vol. 9A, p. 671.

    CAS  Google Scholar 

  6. G. R. Speich and R. L. Miller:Structure and Properties of Highly Formable Dual-Phase HSLA Steels, R. A. Kot and J. W. Morris, Jr., eds., AIME, 1979, p. 145.

  7. M. S. Rashid and E. R. Cprek: Formability Topics-Metallic Materials, ASTM STP, B. A. Niemeir, A. K. Schmieder, and J. R. Newby, eds., ASTM, 1978, vol. 647, p. 174.

  8. J. H. Bucher and E. G. Hamburg: SAE Paper 770164, 1977.

  9. A. R. Marder and B. L. Bramfitt:Structure and Properties of Highly Formable Dual-Phase HSLA Steels, R. A. Kot and J. W. Morris, Jr., eds., AIME, 1979, p. 242.

  10. R.G. Davies:Metall. Trans A, 1978, vol. 9A, p. 41.

    CAS  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Research Department, Bethlehem Steel Corporation, 18016, Bethlehem, PA

    A. R. Marder (Senior Scientist)

Authors
  1. A. R. Marder
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Marder, A.R. Deformation characteristics of dual-phase steels. Metall Trans A 13, 85–92 (1982). https://doi.org/10.1007/BF02642418

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF02642418

Keywords

Search

Navigation