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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.75 No.1
- 발행연도
- 2020.1
- 수록면
- 101 - 108 (8page)
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The present study intends to analyze damage in thin-walled steel cylinders undergoing constant internal pressure and thermal cycles through use of anisotropic continuum damage mechanics (CDM) model coupled with nonlinear kinematic hardening rule of Chaboche. Materials damage in each direction was defined based on plastic strain and its direction. Stress and strain distribution over wall-thickness was described based on the CDM model and the return mapping algorithm was employed based on the consistency condition. Plastic zone expansion across the wall thickness of cylinders was noticeably affected with change in internal pressure and temperature gradients. Expansion of plastic zone over wall-thickness at inner and outer surfaces and their boundaries demarking elastic and plastic regions was attributed to the magnitude of damage induced over thermo-mechanical cycles on the thin-walled samples tested at various pressure stresses.
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참고문헌 (20)
참고문헌 신청
Benzerga, A. A. / 2004 / Anisotropic ductile fracture : Part I : experiments / Acta Materialia 52(15):4623~4638
Beesley, R. / 2017 / A novel simulation for the design of a low cycle fatigue experimental testing programme / Comput. Struct 178:105~118
Bree, J. / 1967 / Elastic-plastic behaviour of thin tubes subjected to internal pressure and intermittent high-heat fluxes with application to fast-nuclear-reactor fuel elements / J. Strain Anal 2(3):226~238
Chow, C. L. / 1987 / An anisotropic theory of continuum damage mechanics for ductile fracture / Eng. Fracture Mech 27(5):547~558
Cordebois, J. / 1982 / Anisotropic damage in elasticity and plasticity / Journal de mecanique theorique et appliquee :45~60
Beesley, R. / 2017 / A novel simulation for the design of a low cycle fatigue experimental testing programme / Comput. Struct 178:105~118
Bree, J. / 1967 / Elastic-plastic behaviour of thin tubes subjected to internal pressure and intermittent high-heat fluxes with application to fast-nuclear-reactor fuel elements / J. Strain Anal 2(3):226~238
Chow, C. L. / 1987 / An anisotropic theory of continuum damage mechanics for ductile fracture / Eng. Fracture Mech 27(5):547~558
Cordebois, J. / 1982 / Anisotropic damage in elasticity and plasticity / Journal de mecanique theorique et appliquee :45~60
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