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Elastic-plastic behaviours of pressurised tubes under cyclic thermal stresses with temperature gradients
- Authors
- Oh, Chang-Sik; Kim, Yun-Jae; Yoon, Kee-Bong
- Issue Date
- May-2010
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Cyclic thermal stresses; Elastic-plastic behaviour; Pressurised pipe; Ratchetting; Reverse plasticity; Shakedown; Temperature and strength gradient
- Citation
- INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING, v.87, no.5, pp 245 - 253
- Pages
- 9
- Journal Title
- INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING
- Volume
- 87
- Number
- 5
- Start Page
- 245
- End Page
- 253
- ISSN
- 0308-0161
1879-3541
- Abstract
- Elastic-plastic behaviours of pressurised tubes under cyclic thermal stresses are investigated, Incorporating temperature (and resulting the yield strength) gradient through the tube thickness Based on analytical investigations, explicit equations for various stress regimes representing elastic-plastic behaviours are obtained In the limiting case of no temperature (and yield strength) gradient through the thickness, proposed equations recover those for the well-known Bree diagram. The proposed results are then validated against the results from full-cyclic elastic-plastic finite element analysis (C) 2010 Elsevier Ltd. All rights reserved
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