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Mechanical properties and microstructure of low carbon ultra-high strength steels (UHSS) microalloyed with boron

Published online by Cambridge University Press:  14 February 2012

I. Mejía ,
A. García de la Rosa ,
A. Bedolla-Jacuinde  and
J.M. Cabrera
I. Mejía
Affiliation:
Instituto de Investigaciones Metalúrgicas, Universidad Michoacana de San Nicolás de Hidalgo, Edificio “U-5”, Ciudad Universitaria. 58060-Morelia, Michoacán. MÉXICO. [email protected]
A. García de la Rosa
Affiliation:
Instituto de Investigaciones Metalúrgicas, Universidad Michoacana de San Nicolás de Hidalgo, Edificio “U-5”, Ciudad Universitaria. 58060-Morelia, Michoacán. MÉXICO. [email protected]
A. Bedolla-Jacuinde
Affiliation:
Instituto de Investigaciones Metalúrgicas, Universidad Michoacana de San Nicolás de Hidalgo, Edificio “U-5”, Ciudad Universitaria. 58060-Morelia, Michoacán. MÉXICO. [email protected]
J.M. Cabrera
Affiliation:
Departament de Ciència del Materials i Enginyeria Metal·lúrgica, ETSEIB, Universitat Politècnica de Catalunya, Av. Diagonal 647. 08028-Barcelona, SPAIN. Fundació CTM Centre Tecnològic, Av. de les Bases de Manresa 1. 08242-Manresa (Barcelona), SPAIN. [email protected]
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Abstract

The aim of this research work is to study the effect of boron addition on mechanical properties and microstructure of a new family of low carbon NiCrVCu advanced high strength steels (AHSS). Experimental steels are thermo-mechanically processed (TMP) (hot-rolled+quenched). Results show that the microstructure of these steels contains bainite and martensite, predominantly, which nucleate along prior austenite grain boundaries (GB). On the other hand, tensile tests reveal that the TMP steels have YS (0.2% offset) of 978 MPa, UTS of 1140 MPa and EL of 18%. On the basis of exhibited microstructure and mechanical properties, these experimental steels are classified as bainitic-martensitic complex phase (CP) advanced ultra-high strength steels (UHSS).

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1373: Symposium S4 – Advanced Structural Materials—2011 , 2012 , imrc-1373-s4-14
Copyright
Copyright © Materials Research Society 2012

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References

REFERENCES

[1] Committee on Automotive Applications, International Iron & Steel Institute, Advanced High Strength Steel Application Guidelines 1–9 (2006).Google Scholar
[2] Jiang, H. -T., Tang, D. and Mi, Z. -L., J. Iron Steel Res. 19(8), 1–6 (2007).Google Scholar
[3] Taylor, K. A. and Hansen, S. S., Metall. Mater. Trans. A21, 1697–1708 (1991).Google Scholar
[4] Tameiro, H., Murata, M., Habu, R. and Nagumo, M., Trans. Iron Steel Inst. Jpn. 27, 120–129 (1987).Google Scholar
[5] Morral, J. E. and Cameron, T. B., in Boron in Steel edited by Banerji, S. K. and Morral, J. E., (The Metallurgical Society of AIME, Milwaukee, USA, 1980) pp. 19–32.Google Scholar
[6] Habu, R., Miyata, M., Sekino, S. and Goda, S., Trans. Iron Steel Inst. Jpn. 18, 492–500 (1978).Google Scholar
[7] Werner, D. H., “Boron and Boron Containing Steels”, 2nd ed. (Verlag Stahl Eisen, Dusseldorf, 1995) pp. 15–20.Google Scholar
[8] Kapadia, B. M., J. Heat Treat. 5, 41–53 (1987).Google Scholar
[9] Heckmann, C. J., Ormston, D., Grimpe, F., Hillenbrand, H. -G. and Jansen, J. -P., Ironmaking & Steelmaking 32, 337–341 (2005).Google Scholar
[10] Jun, H. J., Kang, J. S., Seo, D. H., Kang, K. B. and Park, C. G., Mater. Sci. Eng. A422, 157–162 (2006).Google Scholar
[11] Kagechika, H., ISIJ Int. 47, 773–794 (2007).Google Scholar
[12] Wang, X. M. and He, X. L., ISIJ Int. 42, 38–46 (2002).Google Scholar
[13] Ohmori, Y. and Yamanaka, K., in Boron in Steels edited by Banerji, S. K. and Morral, J. E., (Metall. Soc. AIME, New York (1980) pp. 44–60.Google Scholar
[14] Tanaka, T., Int. Metals Rev. 4, 185–212 (1981).Google Scholar
[15] Tsukada, K., Matsumoto, K., Yamazaki, Y., Hirabe, K., Arikata, K. and Takeshige, K., Tetsu-to-Hagané 70(1), 89–95 (1984).Google Scholar
[16] DeArdo, A. J., Can. Metall. Q. 27(2), 141–154 (1988).Google Scholar
[17] Ghosh, A., Mishra, B., Das, S. and Chatterjee, S., Metall. Mater. Trans. A36, 703–713 (2005).Google Scholar