Effect of Crack Inclination and Residual Stress on the Stress Intensity Factor of Semi-elliptical Crack in a Pressure Vessel

Arunkumar, S.; Reddy, G. Manoj

doi:10.1007/s12666-020-01903-1

Cited by 6 publications

(1 citation statement)

References 20 publications

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“…Semi-elliptical cracks were introduced on the internal and external surface of the pressure vessel and changed the direction of the crack. The stress intensity factor was determined through analysis and numerical methods (Arunkumar and Reddy, 2020).…”

Section: Introductionmentioning

confidence: 99%

The prediction of residual life of liquid-storage tank considering the tank wall surface state

Lai

Wang

Wei

et al. 2022

IJSI

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PurposeThe purpose of the paper is to predict the residual life of liquid-storage tank to ensure safety and long-term service life of the structure.Design/methodology/approachThe paper carried out the stress analysis of the wall plate and bottom plate of the liquid-storage tank, and the influence of circumferential stress on the tank is considered. On the other hand, considering the influence of the tank wall surface on the tank life, based on the Paris law, the surface processing coefficient and surface roughness coefficient are introduced to improve the Paris law.FindingsThe effectiveness of the improved model is verified by comparing with theoretical and experimental data, which provide a new method for the prediction of the remaining service life of the tank. Combined with the fatigue crack data in the test report and the calculated circumferential stress, the residual life of the storage tank is predicted.Originality/valueThe improved model provides a new method for the prediction of the remaining service life of the tank.

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Section: Introductionmentioning

confidence: 99%