Thermomechanical fracture on pressurized cylindrical vessels

Robert D. Y. Tzou; Kwong Shing Chiu; Jorge E. Beraun; Jinn Kuen Chen

doi:10.1117/12.321528

14 September 1998 Thermomechanical fracture on pressurized cylindrical vessels

Robert D. Y. Tzou, Kwong Shing Chiu, Jorge E. Beraun, Jinn Kuen Chen

Proceedings Volume 3343, High-Power Laser Ablation; (1998) https://doi.org/10.1117/12.321528
Event: High-Power Laser Ablation, 1998, Santa Fe, NM, United States

Abstract

This work studies the rapid fracture developed on the surface of a pressurized cylindrical vessel when heated by an intensified energy source. The primary concerns are the interactions between the rapid thermal expansion and the internal pressure that exerts on the interior surface. From a mechanical point of view, the thermal loading tends to develop a crack along the circumferential direction of the cylindrical vessel. The excessive internal pressure established within the cylindrical vessel, on the other hand, tends to develop a crack in the axial direction. Combination of the two mechanisms results in a capricious pattern of rapid fracture that needs to be fully understood in thermal processing. Special features in this work include the dynamics plasticity induced by the combined thermomechanical loading at short times, as well as the temperature-dependent thermomechanical properties that evolve in the load-time history.

Citation Download Citation

Robert D. Y. Tzou, Kwong Shing Chiu, Jorge E. Beraun, and Jinn Kuen Chen "Thermomechanical fracture on pressurized cylindrical vessels", Proc. SPIE 3343, High-Power Laser Ablation, (14 September 1998); https://doi.org/10.1117/12.321528

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