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Journal of Dynamic Behavior of Materials

, Volume 4, Issue 4, pp 452–463 | Cite as

Effects of Microstructure on the Dynamic Strain Aging in Ferritic-Pearlitic Steels

  • M. Hokka
  • J. Rämö
  • A. Mardoukhi
  • T. Vuoristo
  • A. Roth
  • V.-T. Kuokkala
Article

Abstract

Effects of microstructure on the high strain rate high temperature mechanical response and dynamic strain aging of C45 and 27MnCr5 ferritic-pearlitic steels were studied using four different microstructural variants of the standard alloys. The high strain rate high temperature behavior of the steels was studied using a compression Split Hopkinson Pressure Bar device with high temperature testing capabilities. The steels were studied at strain rates up to 4500 s−1 and at temperatures from RT to 680 °C. Strong dynamic strain aging was observed for both steels in the studied temperature range. The results also show that the microstructure has a strong effect on the dynamic strain aging sensitivity of the steel. This is especially true at low plastic strains, where the effect of the microstructure is strongest. The effect of microstructure decreases as plastic strain increases. A coarse-grained microstructure showed the strongest dynamic strain aging sensitivity for both steels.

Keywords

High temperature High strain rate Dynamic strain aging Steels Effects of microstructure 

Notes

Acknowledgements

The funding by the European Research Fund for Coal and Steel in the frame of the research project RFSR-CT-2014-00020 (IMMAC) is gratefully acknowledged.

References

  1. 1.
    Portevin A, Le-Chatelier H (1924) Heat treatment of aluminum–copper alloys. Trans Am Soc Steel Treat 52:457–478Google Scholar
  2. 2.
    Nemat-Nasser S, Guo W, Cheng J (1999) Mechanical properties and deformation mechanisms of a commercially pure titanium. Acta Mat 47:3705–3720CrossRefGoogle Scholar
  3. 3.
    Chen J, Nemat-Nasser S (2000) A model for experimentally observed high strain rate dynamic strain aging in titanium. Acta Mater 48:3131–3144CrossRefGoogle Scholar
  4. 4.
    Nemat-Nasser S (2000) Flow stress of commercially pure niobium over a broad range of temperatures and strain rates. Mater Sci Eng A 284:202–210CrossRefGoogle Scholar
  5. 5.
    Nemat-Nasser S, Guo W (2000) High Strain rate response of commercially pure vanadium. Mech Mater 32:243–260CrossRefGoogle Scholar
  6. 6.
    Cheng J, Nemat Nasser S, Guo W (2001) A unified constitutive model for strain rate and temperature dependent behavior of molybdenum. Mech Mater 33:603–616CrossRefGoogle Scholar
  7. 7.
    Nemat-Nasser S, Guo W, Liu M (1999) Experimentally based micromechanical modeling of dynamic response of molybdenum. Scr Mater 40:859–872CrossRefGoogle Scholar
  8. 8.
    Nemat-Nasser S, Guo W, Kihl D (2001) Thermomechanical response of AL-6XN stainless steel over a wide range of strain rates and temperatures. J Mech Phys Solids 49:1823–1846CrossRefGoogle Scholar
  9. 9.
    Baird J, Jamieson A (1966) Effects of manganese and nitrogen on the tensile properties of iron in the range of 20–600 centigrades. J Iron Steel Inst 204:793–803Google Scholar
  10. 10.
    Gilat A, Wu X (1997) Plastic deformation of 1020 steel over a wide range of strain rates and temperatures. Int J Plast 13:611–632CrossRefGoogle Scholar
  11. 11.
    Nemat-Nasser S, Guo W (1997) Thermomechanical response of DH-36 structural steel overa a wide range of strain rates and temperatures. Mech Mater 35:1023–1047CrossRefGoogle Scholar
  12. 12.
    Nemat-Nasser S, Guo W (2005) Thermomechanical response of HSLA-65 steel plates: experiments and modeling. Mech Mater 37:379–405CrossRefGoogle Scholar
  13. 13.
    Shahriary M, Koohbor B, Ahadi K, Akrami A, Khakian-qumi M (2012) The effect of dynamic strain aging on room temperature mechanical properties of high martensite dual phase steel. Mater Sci Eng A 550:325–332CrossRefGoogle Scholar
  14. 14.
    Forni D, Chiaia B, Cadoni E (2016) High strain rate response of S355 at high temperatures. Mater Des 94:467–478CrossRefGoogle Scholar
  15. 15.
    Wang J, Guo W, Gau W, Su J (2015) The third type of strain aging and the constitutive modeling of a Q245B overa a wide range of temperatures and strain rates. Int J Plast 65:85–107CrossRefGoogle Scholar
  16. 16.
    Hong S, Lee S (2004) The tensile and low cycle fatigue behavior of cold worked 316L stainless steel: influence of dynamic strain aging. Int J Fatigue 26:899–910CrossRefGoogle Scholar
  17. 17.
    Samuel K, Ray S, Sasikala G (2006) Dynamic strain aging in prior cold worked 15Cr–Ni titanium modified stainless steel. J Nucl Mater 355:30–37CrossRefGoogle Scholar
  18. 18.
    Kim I, Kang S (1995) Dynamic strain aging in SA508-class 3 pressure vessel steel. Int J Press Vesseles 62:123–129CrossRefGoogle Scholar
  19. 19.
    Baird J (1971) Effects of strain aging due to interstitial solutes on the mechanical properties of metals. Metall Rew 149:1–18Google Scholar
  20. 20.
    Cuddy L, Leslie W (1972) Some aspects of serrated yielding in substitutional solid solution of iron. Acta Metall 20:1157–1167CrossRefGoogle Scholar
  21. 21.
    Gao C, Zhang L (2012) Constitutive modeling of plasticity of FCC metals under extremely high strain rates. Int J Plast 32–33:121–133CrossRefGoogle Scholar
  22. 22.
    Guo W, Gao X (2013) On the constitutive modeling of a structural steel over a wide range of temperatures and strain rates. Mater Sci Eng A 561:468–476CrossRefGoogle Scholar
  23. 23.
    Lee K, Lee S (2012) Modeling of material behavior at various temperatures of hot isostatically pressed superalloys. Mater Sci Eng A 541:81–87CrossRefGoogle Scholar
  24. 24.
    Follansbee P, Kocks U (1988) A constitutive description of the deformation of copper based on the use of mechanical threshold stress as an internal state variable. Acta Metall 36:81–93CrossRefGoogle Scholar
  25. 25.
    Zerilli F, Armstrong R (1987) Dislocation mechanics based constitutive relations for material dynamics calculations. J Appl Phys 61:1816–1825CrossRefGoogle Scholar
  26. 26.
    Chakravartty J, Wedekar S, Asundi M (1983) Dynamic strain-aging of A203D nuclear structural steel. J Nucl Mater 119:51–58CrossRefGoogle Scholar
  27. 27.
    Wagner D, Moreno J, Priol C (1998) Dynamic strain aging sensitivity of heat affected zones in C–Mn steels. J Nucl Mater 252:527–256CrossRefGoogle Scholar
  28. 28.
    Gorham D (1983) A numerical method for the correction of dispersion in pressure bar signals. J Phys E Sci Instrum 16:477–479CrossRefGoogle Scholar
  29. 29.
    Apostol M (2007) Strain rate and temperature dependence of the compression behavior of FCC and BCC metals. Development of experimental techniques and their application to material modeling. Ph.D. thesis. Tampere University of TechnologyGoogle Scholar
  30. 30.
    Leemet T, Hokka M, Shrot A, Baeker M, Kuokkala V-T (2012) Characterization and numerical modeling of the high strain rate mechanical behavior of Ti 15-3 alloy for machining simulations. Mater Sci Eng A 550:350–357CrossRefGoogle Scholar
  31. 31.
    Hokka M, Leemet T, Shrot A, Baeker M, Kuokkala V-T (2014) Dynamic behavior and high speed machining of ti-6246 and Alloy 625 superalloys: experimental and modeling approaches. Exp Mech 54:199:210CrossRefGoogle Scholar

Copyright information

© Society for Experimental Mechanics, Inc 2018

Authors and Affiliations

  1. 1.Laboratory of Material ScienceTampere University of TechnologyTampereFinland
  2. 2.Swerea KIMAB ABKistaSweden
  3. 3.Schmolz+Bichenbach Group CREASHagondange CedexFrance

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