Three-dimensional stress state around corrosive cavities on pressure vessels

Z. Abdulaliyev; S. Ataoglu; O. Bulut; E. S. Kayali

doi:10.1115/1.4000508

Three-dimensional stress state around corrosive cavities on pressure vessels

Z. Abdulaliyev^*, S. Ataoglu, O. Bulut, E. S. Kayali

^*Corresponding author for this work

Department of Civil Engineering

Istanbul Technical University

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Internal surfaces of pressure vessels used in many industrial sectors are subjected to corrosive effects leading to cavities. In this study, corrosive cavities on investigated pressure vessels are classified according to their shapes and dimensions. Distribution of stress was experimentally investigated around regions of different types of cavities using three-dimensional photoelastic models. An empirical expression is proposed to determine where maximum stress occurs in type of ellipsoidal cavity in the case of uniaxial loading. The obtained results show quite high stress levels around the cavity regions in pressure vessels, which increase the risk of crack formation.

Original language	English
Pages (from-to)	212041-212046
Number of pages	6
Journal	Journal of Pressure Vessel Technology, Transactions of the ASME
Volume	132
Issue number	2
DOIs	https://doi.org/10.1115/1.4000508
Publication status	Published - Apr 2010

Keywords

Corrosive defect
Photoelasticity
Pressure vessel
Three-dimensional stress distribution

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10.1115/1.4000508

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abstract = "Internal surfaces of pressure vessels used in many industrial sectors are subjected to corrosive effects leading to cavities. In this study, corrosive cavities on investigated pressure vessels are classified according to their shapes and dimensions. Distribution of stress was experimentally investigated around regions of different types of cavities using three-dimensional photoelastic models. An empirical expression is proposed to determine where maximum stress occurs in type of ellipsoidal cavity in the case of uniaxial loading. The obtained results show quite high stress levels around the cavity regions in pressure vessels, which increase the risk of crack formation.",

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AU - Ataoglu, S.

AU - Bulut, O.

AU - Kayali, E. S.

PY - 2010/4

Y1 - 2010/4

N2 - Internal surfaces of pressure vessels used in many industrial sectors are subjected to corrosive effects leading to cavities. In this study, corrosive cavities on investigated pressure vessels are classified according to their shapes and dimensions. Distribution of stress was experimentally investigated around regions of different types of cavities using three-dimensional photoelastic models. An empirical expression is proposed to determine where maximum stress occurs in type of ellipsoidal cavity in the case of uniaxial loading. The obtained results show quite high stress levels around the cavity regions in pressure vessels, which increase the risk of crack formation.

AB - Internal surfaces of pressure vessels used in many industrial sectors are subjected to corrosive effects leading to cavities. In this study, corrosive cavities on investigated pressure vessels are classified according to their shapes and dimensions. Distribution of stress was experimentally investigated around regions of different types of cavities using three-dimensional photoelastic models. An empirical expression is proposed to determine where maximum stress occurs in type of ellipsoidal cavity in the case of uniaxial loading. The obtained results show quite high stress levels around the cavity regions in pressure vessels, which increase the risk of crack formation.

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KW - Photoelasticity

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KW - Three-dimensional stress distribution

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Three-dimensional stress state around corrosive cavities on pressure vessels

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Keywords

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