What is the failure of a pressure vessel? What are its various forms of manifestation?
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When a pressure vessel loses its ability to function properly due to excessive loads or temperatures, it is said to have failed. There are generally four types of such failures: first, strength failure, which occurs when the material yields or breaks, leading to the failure of the pressure vessel; second, stiffness failure, which happens when the deformation of the pressure vessel becomes sufficient to affect its normal operation; third, instability failure, which occurs when, under compressive stress, the pressure vessel suddenly loses its original regular geometric shape; fourth, leakage failure, which results from leaks.
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