HOT-DEFORMATION BEHAVIOR AND PROCESSING MAP OF 22MnB5 HIGH-STRENGTH STEEL
Keywords:
22MnB5 high-strength steel, hot-deformation behaviour, J-C constitutive model, processing map
Abstract
In order to explore the hot formability of 22MnB5, a hot-tensile test of 22MnB5 high-strength steel plate was carried out using a Gleeble-1500 hot-tensile-testing machine. The stress-strain curves at 850 °C to 950 °C and 0.01 s–1 to 10 s–1 were obtained. The results show that 22MnB5 has an obvious positive-strain-rate sensitivity, and its peak stress decreases with the increase of temperature. The mechanical constitutive equation of 22MnB5 was established by using the improved Johnson-Cook model, and the fitting value was compared with the experimental value. Based on the dynamic material model, the hot-processing map of 22MnB5 was established and analyzed. The hot-processing process was determined as follows: deformation temperature 880 °C to 930 °C, strain rate 0.01 s–1 to 1 s–1.
References
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2. Zhutao Shao, Nan Li, Jianguo Lin, Trevor A Dean. Strain measurement and error analysis in thermo-mechanical tensile tests of sheet metals for hot stamping applications. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science,2018,232(11). doi:10.1177/0954406217714011.
3. He Daoguang, Yan Xin-Tao, Lin Y.C., Zhang Song, Chen Zi-Jian. Microstructure evolution and constitutive model for a Ni-Mo-Cr base alloy in double-stages hot compression with step-strain rates. Materials Characterization,2022,194. doi: 10.1016/J.MATCHAR.2022.112385.
4. Lin Y.C., Wen Dong Xu, Deng Jiao, Liu Guan, Chen Jian. Constitutive models for high-temperature flow behaviors of a Ni-based superalloy. Materials and Design, 2014, 59(9):115-123. doi: 10.1016/j.matdes.2014.02.041.
5. Y.C. Lin, Jiao Deng, Yu-Qiang Jiang, Dong-Xu Wen, Guan Liu. Effects of initial δ phase on hot tensile deformation behaviors and fracture characteristics of a typical Ni-based superalloy. Materials Science & Engineering A,2014,598. doi: 10.1016/j.msea.2014.01.029.
6. Lin Y C , Luo S C , Jiang X Y , et al. Hot deformation behavior of a Sr-modified Al-Si-Mg alloy: Constitutive model and processing maps. Transactions of Nonferrous Metals Society of China, 2018, 28(4):592–603. doi: 10.1016/S1003-6326(18)64692-8
7. Turetta A, Bruschi S, Ghiotti A. Investigation of 22MnB5 formability in hot stamping operations. Journal of Materials Processing Technology, 2006, 177(1-3):396-400. doi: 10.1016/j.jmatprotec.2006.04.041
8. Jing Z, Wang B, Huang M. Two constitutive descriptions of boron steel 22MnB5 at high temperature. Materials & Design, 2014, 63(nov.):738-748. doi: 10.1016/j.matdes.2014.07.008
9. Bembalge O B, Panigrahi S K. Hot deformation behavior and processing map development of cryorolled AA6063 alloy under compression and tension. International Journal of Mechanical Sciences, 2021, 191:106100. doi: 10.1016/j.ijmecsci.2020.106100
10. He, Dao-Guang, Lin, et al. Effect of pre-treatment on hot deformation behavior and processing map of an aged nickel-based superalloy. Journal of Alloys & Compounds, 2015. doi: 10.1016/j.jallcom.2015.07.213
11. Yu Jiaxin, Li Zijiong, Qian Cheng, Huang Sheng, Xiao Han. Investigation of deformation behavior, microstructure evolution, and hot processing map of a new near-α Ti alloy. Journal of Materials Research and Technology,2023,23. doi: 10.1016/J.JMRT.2023.01.177.
12. Liu Caiyi, Barella Silvia, Peng Yan, Guo Shuo, Liang Shicheng, Sun Jianliang, Gruttadauria Andrea, Belfi Marco, Mapelli Carlo. Modeling and characterization of dynamic recrystallization under variable deformation states. International Journal of Mechanical Sciences,2023,238. doi: 10.1016/J.IJMECSCI.2022.107838.
13. Mirahmadi D, Dehghani K, Shamsipur A, Kalaki A. Hot deformation behavior, microstructure evolution and processing map of Cu–2Be alloy. Journal of Materials Research and Technology,2023,24. doi: 10.1016/J.JMRT.2023.02.215.
Published
2023-07-29
How to Cite
1.
JiH, Wen Y, Cui G, Pei W, Xiao W. HOT-DEFORMATION BEHAVIOR AND PROCESSING MAP OF 22MnB5 HIGH-STRENGTH STEEL. MatTech [Internet]. 2023Jul.29 [cited 2025Nov.18];57(4):367–378. Available from: https://mater-tehnol.si/index.php/MatTech/article/view/874
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