Life extension reliability analysis of decommissioned transportable seamless steel gas cylinders: A case study

Tang, Ping; Jiang, Juncheng; Pan, Yong; Wang, Rui

doi:10.1016/j.jlp.2010.11.003

Cited by 4 publications

(3 citation statements)

References 7 publications

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“…The failure behavior means the failure modes and their evolutionary processes of mechanical components or systems in the specified working conditions and in the specified service life. Obviously, the failure behavior of mechanical components or systems depends on the factors including work section, service time, strength and its degradation, and so on, [9][10][11][12][13][14] and it affects the reliability and life of components and systems. For a component or system, its failure behaviors are different corresponding to different work sections or different service times.…”

Section: Failure Behavior Expression Based On the Stress-strength Interference Theorymentioning

confidence: 99%

“…The failure rate curve of components is bathtub shaped. Meanwhile, the reliable life B10 of component can be calculated with equation (11), and it is 237 times of load application, as shown in Figure 3. With equation (10), the mean life of component can also be calculated as 5272.9 times of load application.…”

Section: Study On the Life Probabilistic Distribution Characteristic Of Componentmentioning

confidence: 99%

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Life probability distribution model of mechanical components with the number of load application as life parameter

Wang

2014

Proceedings of the Institution of Mechanical Engineers, Part O:

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With the number of load application as the life parameter, the method for modeling the life probability distribution of mechanical components is studied. First, the failure behavior of mechanical components is analyzed, and the method for describing the failure behavior of mechanical components is developed with the stress-strength interference theory. Then, based on the failure behavior, the life probability density function, life cumulative distribution function, reliability, failure rate, and mean life of component with the number of load application as the life parameter, which can embody the effect of parameters including stress, strength and its degradation, and so on, are derived, respectively. Finally, for the cases of different parameters of stress and strength, the life probabilistic distribution characteristic, reliability, failure rate, mean life, and reliable life of components are studied. The result shows that the life probabilistic distribution characteristic of components is dependent on the specific value of parameters describing the failure behavior. With the method and model proposed in this article, as long as the parameters of strength, stress, strength degradation, and so on are known, the life probabilistic distribution functions of components can be calculated, the rules that the reliability and failure rate of component change as the number of load application can be obtained, and the mean life and reliable life of components can be determined.

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Section: Failure Behavior Expression Based On the Stress-strength Interference Theorymentioning

confidence: 99%

Section: Study On the Life Probabilistic Distribution Characteristic Of Componentmentioning

confidence: 99%

Life probability distribution model of mechanical components with the number of load application as life parameter

Wang

2014

Proceedings of the Institution of Mechanical Engineers, Part O:

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“…A test method was established to ensure the leak failure performance of steel cylinders before rupture when wall-through cracking occurred. Tang et al [3] studied a reliability analysis method for the life extension of decommissioned seamless steel gas cylinders based on reliability indexes. The results show that the decommissioned gas cylinders can be used for reliability analysis of life extension.…”

Section: Introductionmentioning

confidence: 99%

The Causes of Explosion Failure of Liquid Ammonia Cylinder

Ren

2023

J. Phys.: Conf. Ser.

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Gas cylinders are widely used in industrial production and daily life. Due to the complexity of the medium contained in the cylinder and the unsafe factors in the use and management, cylinder accidents occur more frequently. This paper analyzes the cause of a burst accident in the liquid ammonia cylinder. The results show that the chemical composition and mechanical properties of cylinder materials basically meet the requirements of relevant standards. No obvious defects were found on the weld and fracture surface during NDT. The outer surface of the gas cylinder is severely corroded, especially in the weld area, where there is a lot of pitting corrosion.

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