MSA  Vol.9 No.1 , January 2018
The Influence of Abnormal Segregation Band on Mechanical Properties of Hot Rolled Ferrite/Pearlite Steel Plate
Abstract: In order to further reveal the influence of abnormal segregation band on mechanical properties of hot rolled ferrite/pearlite steel plate, especially on laminated tensile fracture, the experimental method of delamination tension was adopted. In this paper, the thin tensile samples with 3 mm thickness from the surface, 1/4 positions and center along the thickness orientation of test plate were measured, also the relationship between microstructure and mechanical properties was probed. The results show that the center region of hot rolled ferrite/pearlite steel plate exists granular bainite and ferrite mixed grains, which leads to lower plasticity and toughness of this region. During the tensile process, microcracks are generated and extended at the center of steel plate due to the inconsistency of deformation and fracture on the adjacent structures, finally leading to laminated fracture of steel plate.
Cite this paper: Feng, R. , Gong, B. , Cui, H. , Pan, Y. and Bao, J. (2018) The Influence of Abnormal Segregation Band on Mechanical Properties of Hot Rolled Ferrite/Pearlite Steel Plate. Materials Sciences and Applications, 9, 81-91. doi: 10.4236/msa.2018.91006.

[1]   Wang, L., Tang, D. and Song, Y. (2017) Prediction of Mechanical Behavior of Ferrite-Pearlite Steel. Journal of Iron and Steel Research, International, 3, 321-327.

[2]   Fernández, J., Illescas, S. and Guilemany, J.M. (2007) Effect of Microalloying Elements on the Austenitic Grain Growth in a Low Carbon HSLA Steel. Materials Letters, 61, 2389-2392.

[3]   Al-Abbasi, F.M. (2010) Micromechanical Modeling of Ferrite-Pearlite Steels. Materials Science and Engineering: A, 527, 6904-6916.

[4]   Allain, S. and Bouaziz, O. (2008) Microstructure Based Modeling for the Mechanical Behavior of Ferrite-Pearlite Steels Suitable to Capture Isotropic and Kinematic Hardening. Materials Science and Engineering: A, 496, 329-336.

[5]   Zhang, X.C., Wang, Y., Yang, J., Qiao, Z.X., Ren, C.H. and Chen, C. (2016) Deformation Analysis of Ferrite/Pearlite Banded Structrue under Uniaxial Tension Using Digital Image Correlation. Optics and Lasers in Engineering, 85, 24-28.

[6]   Feng, R., Li, S.L., Zhu, X.D. and Ao, Q. (2015) Microstructural Characterization and Formation Mechanism of Abnormal Segregation Band of Hot Rolled Ferrite/Pearlite Steel. Journal of Alloys and Compounds, 646, 787-793.

[7]   Sasaki, D., Koyama, M. and Noguchi, H. (2015) Factors Affecting Hydrogen-Assisted Cracking in a Commercial Tempered Martensitic Steel: Mn Segregation, MnS, and the Stress State around Abnormal Cracks. Materials Science and Engineering: A, 640, 72-81.

[8]   Tanaka, T. (1981) Controlled Rolling of Steel Plate and Strip. Int Metals Rev, 26, 185-212.

[9]   Shanmugam, P. and Pathak, S.D. (1996) Some Studies on the Impact Behavior of Banded Microalloyed Steel. Engineering Fracture Mechanics, 53, 991-1005.

[10]   Karimi, Y., Hossein Nedjad, S., Miyamoto, G., Shirazi, H. and Furuhara, T. (2017) Banding Effects on the Process of Grain Refinement by Cold Defomation and Recrystallization of Acicular C-Mn Steel. Materials Science and Engineering: A, 697, 1-7.

[11]   Choudhary, S.K., Ganguly, S., Sengupta, A. and Sharma, V. (2017) Solidification Morphology and Segregation in Continuously Cast Steel Slab. Journal of Materials Processing Technology, 243, 312-321.

[12]   Mendoza, R., Alansis, M., Perez, R., Alvarez, O., Gonzalez, C. and Juarez-Islas, J.A. (2002) On the Processing of Fe-C-Mn-Nb Steels to Produce Plates for Pipelines with Sour Gas Resistance. Materials Science and Engineering: A, 337, 115-120.

[13]   Ma, J., Zhang, B., Xu, D.K., Han, E.-N. and Ke, W. (2010) Effects of Inclusion and Loading Direction on the Fatigue Behavior of Hot Rolled Low Carbon Steel. International Journal of Fatigue, 32, 1116-1125.

[14]   Fang, H.-S., Feng, C., Zheng, Y.-K., Yang, Z.-G. and Bai, B.-Z. (2008) Creation of Air-Cooled Mn Series Bainitic Steels. Journal of Iron and Steel Research International, 15, 01-09.

[15]   Tekkaya, A.E. and Lange, K. (2000) An Improved Relationship between Vickers Hardness and Yield Stress for Cold Formed Materials and Its Experimental Verification. CIRP Annals, 49, 205-208.

[16]   Lehto, P., Remes, H., Saukkonen, T., Hanninen, H. and Romannoff, J. (2014) Influence of Grain Size Distribution on the Hall-Petch Relationship of Welded Structural Steel. Materials Science and Engineering: A, 592, 28-39.

[17]   Schino, A.D. and Guarnaschelli, C. (2009) Effect of Microstructure on Cleavage Resistance of High-Strength Quenched and Tempered Steels. Materials Letters, 63, 1968-1972.

[18]   Zare, A. and Ekrami, A. (2011) Influence of Martensite Volume Fraction on Tensile Properties of Triple Phase Ferrite-Bainite-Martensite Steels. Materials Science and Engineering: A, 530, 440-445.

[19]   Grange, R.A. (1971) Effect of Microstructural Banding in Steel. Metallurgical and Materials Transactions B, 2, 417-426.

[20]   Eghbali, B. (2007) EBSD Study on the Formation of Fine Ferrite Grains in Plain Carbon Steel during Warm Deformation. Materials Letters, 61, 4006-4010.

[21]   Habib, K., Koyama, M., Tsuchiyama, T. and Noguchi, H. (2017) Fatigue Crack Non-Propagation Assisted by Nitrogen-Enhanced Dislocation Planarity in Austenitic Stainless Steels. International Journal of Fatigue, 104, 158-170.

[22]   Terentyev, D., Bakaev, A., Serra, A., Pavia, F., Baker, K.L. and Anento, N. (2018) Grain Boundary Mediated Plasticity: The Role of Grain Boundary Atomic Structure and Thermal Activation. Scripta Materialia, 145, 1-4.

[23]   Chapetti, M.D., Miyata, H., Tagawa, T., Miyata, T. and Fujioka, M. (2005) Fatigue Crack Propagation Behaviour in Ultra-Fine Grained Low Carbon Steel. International Journal of Fatigue, 27, 235-243.