Cellular automaton simulation of austenite microstructure evolution in offshore steel during the heating process

GAO Xinliang; ZHANG Zhuangzhuang; LI Wenlong; WANG Chenyang; ZHAO Cong; YANG Zhinan

doi:10.7513/j.issn.1004-7638.2026.02.020

Volume 47 Issue 2

Apr. 2026

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GAO Xinliang, ZHANG Zhuangzhuang, LI Wenlong, WANG Chenyang, ZHAO Cong, YANG Zhinan. Cellular automaton simulation of austenite microstructure evolution in offshore steel during the heating process[J]. IRON STEEL VANADIUM TITANIUM, 2026, 47(2): 180-188. doi: 10.7513/j.issn.1004-7638.2026.02.020

Citation:

GAO Xinliang, ZHANG Zhuangzhuang, LI Wenlong, WANG Chenyang, ZHAO Cong, YANG Zhinan. Cellular automaton simulation of austenite microstructure evolution in offshore steel during the heating process[J]. IRON STEEL VANADIUM TITANIUM, 2026, 47(2): 180-188. doi: 10.7513/j.issn.1004-7638.2026.02.020

Citation:

GAO Xinliang, ZHANG Zhuangzhuang, LI Wenlong, WANG Chenyang, ZHAO Cong, YANG Zhinan. Cellular automaton simulation of austenite microstructure evolution in offshore steel during the heating process[J]. IRON STEEL VANADIUM TITANIUM, 2026, 47(2): 180-188. doi: 10.7513/j.issn.1004-7638.2026.02.020

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Cellular automaton simulation of austenite microstructure evolution in offshore steel during the heating process

doi: 10.7513/j.issn.1004-7638.2026.02.020

GAO Xinliang^{1, 2
,
,},
ZHANG Zhuangzhuang^{1, 2},
LI Wenlong^{1, 2},
WANG Chenyang^{1, 2},
ZHAO Cong^{1, 2},
YANG Zhinan³

1.
National Engineering Research Center for Equipment and Technology of Cold Strip Rolling, Yanshan University, Qinhuangdao066004, Hebei, China
2.
School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, Hebei, China
3.
Hebei Iron and Steel Laboratory, North China University of Science and Technology, Tangshan 063210, Hebei, China

More Information

Received Date: 2025-10-30
Accepted Date: 2025-12-04
Rev Recd Date: 2025-11-24

Available Online: 2026-04-29

Publish Date: 2026-04-29

Abstract

Abstract

To investigate the evolution law of austenite microstructure in offshore steel during the heating process, this study established a cellular automaton (CA) model for austenitic grain growth in offshore steel during heating based on the mechanisms of thermal activation energy, curvature-driven growth, and grain boundary energy dissipation. The effects of heating temperature and holding time on austenitic grain growth were analyzed. The results indicate that increasing the heating temperature provides a greater driving force for grain boundary migration, promoting grain boundary migration and grain coalescence, leading to an increase in austenite grain size. As heating time increases, the grains continue to grow, and the grain boundaries tend to become smoother. A prediction model for austenite grain growth of offshore steel was established, yielding a grain growth index of 0.45, and the correspondence between real time and simulation time was determined. The findings will provide theoretical support for the precise control of microstructure in offshore steel.
- cellular automaton,
- offshore steel,
- austenitic grain,
- heating temperature,
- holding time

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References(24)

References

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