Abstract
A hot-rolled steel, 22SiMn2TiB, was employed to study the effect of austenite deformation on the microstructure and strength of the subsequently formed lath martensite. It was revealed that the sizes of the martensite packet, block and lath were refined by the tensile deformation of austenite at temperatures above 850 °C. With the increase of the deformation temperature, the packet size increased, whereas the block size decreased. The width of the lath was independent of the prior austenite grain size and the deformation temperature. The refinement of martensite blocks was considered to strengthen the ausformed martensite.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
S. Morito, H. Tanaka, R. Konishi, T. Furuhara, and T. Maki, Acta Mater. 51, 1789 (2003).
S. Morito, X. Huang, T. Furuhara, T. Maki, and N. Hansen, Acta Mater. 54, 5323 (2006).
H. Kitahara, R. Ueji, N. Tsuji, and Y. Minamino, Acta Mater. 54, 1279 (2006).
S. Morito, Y. Adachi, and T. Ohba, Mater. Trans. 50, 1919 (2009).
H. Kitahara, R. Ueji, M. Ueda, N. Tsuji, and Y. Minaminoa, Mater. Charact. 54, 378 (2005).
T. Maki, Proc. Int. Symp. on Physical Metallurgy Direct-Quenched Steels (eds. K. A. Taylor, S. W. Thompson, and F. B. Fletcher), p.3, Chicago, Illinois, USA (1992).
G. Krauss. Steels: Heat Treatment and Processing Principles, 2 nd ed, Materials Park (OH), ASM International (1990).
C. F. Wang, M. Q. Wang, J. Shi, W. J. Hui, and H. Dong, Scr. Mater. 58, 492 (2008).
S. Morito, H. Yoshida, T. Maki, and X. Huang, Mater. Sci. Eng. A 438–440, 237 (2006).
Y. L. Zhao, J. Shi, W. Q. Cao, M. Q. Wang, and G. Xie, J. Zhejiang University-Science A 11, 776 (2010).
A. Shibata, T. Nagoshi, M. Sone, S. Morito, and Y. Higo, Mater. Sci. Eng. A 527, 7538 (2010).
M. Nakajima, S. Komazaki, and Y. Kohno, Int. J. Pres. Ves. Pip. 86, 563 (2009).
Z. M. Shi, K. Liu, M. Q. Wang, J. Shi, H. Dong, J. Pu, B. Chi, Y. S. Zhang, and J. Li, Mater. Sci. Eng. A. 528, 3681 (2011).
R. Ueji, N. Tsuji, Y. Minamino, and Y. Koizumi, Acta Mater. 50, 4177 (2002).
T. Y. Hsu (Xu Zuyao), Curr. Opin. Solid State Mater. Sci. 9, 256 (2005).
S. Matsuda, T. Inoue, H. Mimura, and Y. Okamura, Proc. Int. Symp. on Improved Ductility and Toughness, p.45, ISIJ, Sendai, Japan (1971).
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Shi, Z., liu, K., Wang, M. et al. Effect of tensile deformation of austenite on the morphology and strength of lath martensite. Met. Mater. Int. 18, 317–320 (2012). https://doi.org/10.1007/s12540-012-2015-5
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s12540-012-2015-5