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- W4362504587 abstract "Titanium alloy is excellent Marine metal material, but the plasticity and ductility of the same strength grade of titanium alloy compared with high strength steel are lower, leading to the difference of the failure mode under hydrostatic pressure. To simulate the failure mode of titanium alloy ring-stiffened cylindrical shell under deep-sea environment precisely, the experimental study of titanium alloy material is carried out in this paper. J-C plastic hardening model is chosen to analyze the ultimate strength of the ring-stiffened cylindrical shell based on fracture criterion, and ABAQUS software is used to calculate the evolution of damage for TC4ELI titanium alloy. Whereafter, the analysis of the stress state for the ring-stiffened cylindrical shell is committed under a different mode of buckling. The results indicate that the ultimate strength with ideal elastoplasticity is conservative, and the model with J-C plastic hardening and the evolution of damage can be used to simulate the crack initiation and propagation of hot spot regions accurately. When the ultimate strength of the structure is simulated, the distribution of stress triaxiality is different under different buckling modes for imperfection. In this case, A good research foundation can be provided to develop the precise analysis of the pressure hull." @default.
- W4362504587 created "2023-04-05" @default.
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- W4362504587 date "2022-01-01" @default.
- W4362504587 modified "2023-10-14" @default.
- W4362504587 title "Research on the failure characteristics analysis of the titanium alloy ring-stiffened cylindrical shell based on damage evolution" @default.
- W4362504587 doi "https://doi.org/10.1049/icp.2022.3183" @default.
- W4362504587 hasPublicationYear "2022" @default.
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