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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.53 No.6
- 발행연도
- 2015.1
- 수록면
- 1,167 - 1,182 (16page)
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초록· 키워드
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In this study, the stresses and electric potential redistributions of a cylinder made from functionally graded piezoelectric material (FGPM) are investigated. All the mechanical, thermal and piezoelectric properties are modeled as power-law distribution of volume fraction. Using the coupled electro-thermo-mechanical relations, strain-displacement relations, Maxwell and equilibrium equations are obtained including the time dependent creep strains. Creep strains are time, temperature and stress dependent, the closed form solution cannot be found for this constitutive differential equation. A semianalytical method in conjunction with the Mendelson method of successive approximation is therefore proposed for this analysis. Similar to the radial stress histories, electric potentials increase with time, because the latter is induced by the former during creep deformation of the cylinder, justifying industrial application of such a material as efficient actuators and sensors.
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참고문헌 (24)
참고문헌 신청
Altenbach, H. / 2008 / Steady-state creep of a pressurized thick cylinder in both the linear and the power law ranges / Acta Mech 195:263~274
Bahtui, A. / 2007 / Coupled thermoelasticity of functionally graded cylindrical shells / Mech. Res. Comm 34:1~18
Bayat, M. / 2009 / Mechanical and thermal stresses in a functionally graded rotating disk with variable thickness due to radially symmetry loads / Int. J. Press. Vess. Pip 86:357~372
Bhatnagar, N.S. / 1974 / Large strain creep analysis of thick-walled cylinders / Int. J. Non-Linear Mech 9:127~140
Dai, H. L. / 2006 / Exact solutions for functionally graded pressure vessels in a uniform magnetic field / Int. J. Solid. Struct 43:5570~5580
Bahtui, A. / 2007 / Coupled thermoelasticity of functionally graded cylindrical shells / Mech. Res. Comm 34:1~18
Bayat, M. / 2009 / Mechanical and thermal stresses in a functionally graded rotating disk with variable thickness due to radially symmetry loads / Int. J. Press. Vess. Pip 86:357~372
Bhatnagar, N.S. / 1974 / Large strain creep analysis of thick-walled cylinders / Int. J. Non-Linear Mech 9:127~140
Dai, H. L. / 2006 / Exact solutions for functionally graded pressure vessels in a uniform magnetic field / Int. J. Solid. Struct 43:5570~5580
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