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Published in: Journal of Materials Engineering and Performance 10/2022

28-03-2022 | Technical Article

Microstructure Simulation and Experiment for the Weak Weld Joint of a Domed Storage Tank during an Explosion Based on the Cellular Automaton Method

Authors: Li Chang, Zhang Dacheng, Chen Xinxue, Liu Zhaotai, Han Xing

Published in: Journal of Materials Engineering and Performance | Issue 10/2022

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Abstract

With the continuous augment of global oil demand and reserve volume, domed storage tanks are becoming increasingly widespread. The weak weld joint, designed on the top of the storage tank, will fail first in the pool fire. Therefore, it is of considerable significance to accurately obtain the change rules of the weld microstructure for studying the explosion of a domed oil storage tank, which can provide sufficient guarantee for the goods evacuation and personnel rescue. Dynamic recrystallization occurs in the failure process of a weld joint. Based on the cellular automaton method (CA method), the dynamic failure model for the weld joint was established and solved in this paper. The transient changes for stress, strain, temperature, and damage were calculated, and the grain size distribution and dynamic change rule of the weld joint were obtained. The tensile test was carried out to weak weld. A high-speed camera collected the fracture morphology of the weld joint during fracture. The simulation results were compared with the experimental results to verify the validity of the proposed model and analysis method.

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Appendix
Available only for authorised users
Literature
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go back to reference W. Yu, E.J. Palmiere and S.P. Banks, Cellular Automata Modelling of Grain Coarsening During Reheating-II Abnormal Grain Growth, J. Univ. Sci. Technol. Beijing, 2005, 12(1), p 26–32. W. Yu, E.J. Palmiere and S.P. Banks, Cellular Automata Modelling of Grain Coarsening During Reheating-II Abnormal Grain Growth, J. Univ. Sci. Technol. Beijing, 2005, 12(1), p 26–32.
Metadata
Title
Microstructure Simulation and Experiment for the Weak Weld Joint of a Domed Storage Tank during an Explosion Based on the Cellular Automaton Method
Authors
Li Chang
Zhang Dacheng
Chen Xinxue
Liu Zhaotai
Han Xing
Publication date
28-03-2022
Publisher
Springer US
Published in
Journal of Materials Engineering and Performance / Issue 10/2022
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-022-06813-5

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