The Effect of Test Temperature on Deformation Microstructure and Fracture Mechanisms in CrMn High-Nitrogen Steels Alloyed (0-3 wt.%) with Vanadium


Article Preview

A temperature dependence of the tensile mechanical properties, microstructure and fracture mechanism of high-nitrogen Fe-(19-23)Cr-(17-21)Mn-(0-3)V-(0.1-0.3)C-(0.5-0.9)N vanadium-free and vanadium-containing steels was investigated. For all steels, the 0.2% offset yield strength and strain-hardening drastically increase with a decrease in test temperature. This is associated with high interstitial solid solution strengthening of the steels and more pronounced twinning and stacking-fault formation during straining below room temperature. For the vanadium-free steel, a ductile-to-brittle transition was evaluated: at 77K specimens destroy by cleavage mechanism while at room temperature steels show ductile fracture. Vanadium-alloying provides a particle strengthening of the steels and, at the same time, reduce solid-solution strengthening. Increase of vanadium concentration fully or partially suppress brittle fracture of the steels at 77K. Particle strengthening changes interstitial solid-solution effect, dislocation arrangement and slip/twinning relation in vanadium-containing high-nitrogen steels compared to vanadium-free one.



Main Theme:

Edited by:

R. Shabadi, Mihail Ionescu, M. Jeandin, C. Richard and Tara Chandra




E. Astafurova et al., "The Effect of Test Temperature on Deformation Microstructure and Fracture Mechanisms in CrMn High-Nitrogen Steels Alloyed (0-3 wt.%) with Vanadium", Materials Science Forum, Vol. 941, pp. 27-32, 2018

Online since:

December 2018




* - Corresponding Author

[1] H. Berns, V. Gavriljuk, S. Riedner, High interstitial stainless austenitic steels, Springer, Berlin (2013).


[2] V.G. Gavrilyuk, H. Berns. High nitrogen steel. Springer, Berlin, (1999).

[3] S. Wang, K. Yang, Y. Shan, L.Li, Plastic deformation and fracture behaviors of nitrogen-alloyed austenitic stainless steels, Mater. Sci. Eng. A 490 (2008) 95–104.


[4] P. Müllner, C. Solenthaler, P. Uggowitzer, M.O. Speidel, On the effect of nitrogen on the dislocation structure of austenitic stainless steel, Mater. Sci. Eng. A 164 (1993) 164–169.


[5] J.W. Simmons, Overview: high-nitrogen alloying of stainless steels, Mater. Sci. Eng. A 207 (1996) 159–169.

[6] V. Gavrilyuk, Yu. Petrov, B. Shanina, Effect of nitrogen on the electron structure and stacking fault energy in austenitic steels, Scr. Mater. 55 (2006) 537-540.


[7] Dai Qi-Xun, Wang An-Dong, Cheng Xiao-Nong, Luo Xin-Min. Stacking fault energy of cryogenic austenitic steels, Chinese Phys. 11 (2002) 596-600.


[8] Yu. I. Chumlyakov, I.V. Kireeva, H. Sehitoglu, E.I. Litvinova, E.G. Zaharova, N.V. Luzginova. High-Strength Single Crystals of Austenitic Stainless Steel with Nitrogen Content: Mechanisms of Deformation and Fracture, Mater. Sci. Forum. 318-320 (1999) 395-400.


[9] E.G. Astafurova, Yu.I. Chumlyakov, H.J. Maier. The effect of aluminum alloying on ductile-to-brittle transition in Hadfield steel single crystal, Int. J. Fra. 160 (2009) 143-149.