CNTRC Cylinder Under Non-axisymmetric Thermo-Mechanical Loads and Uniform Electromagnetic Fields

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• 作者：A. Ghorbanpour Arani (1) (2)
  E. Haghparast (1)
  Z. Khoddami Maraghi (1)
  S. Amir (1)
  
• 关键词：Static stress analysis ; Non ; axisymmetric loads ; Composite cylinder ; Magnetic field ; Mori–Tanaka method
• 刊名：Arabian Journal for Science and Engineering
• 出版年：2014
• 出版时间：December 2014
• 年：2014
• 卷：39
• 期：12
• 页码：9057-9069
• 全文大小：1,840 KB
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  14. Moradi-Dastjerdi, R.; Foroutan, M.; Pourasghar, A.; Sotoudeh-Bahreini, R.: Static analysis of functionally graded carbon nanotube-reinforced composite cylinders by a mesh-free. J. Reinf. Plast. Compos. 33(10), 593-01 (2013)
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• 作者单位：A. Ghorbanpour Arani (1) (2)
  E. Haghparast (1)
  Z. Khoddami Maraghi (1)
  S. Amir (1)
  
  1. Faculty of Mechanical Engineering, University of Kashan, Kashan, Iran
  2. Institute of Nanoscience and Nanotechnology, University of Kashan, Kashan, Iran
  

文摘

In the present research, static stress analysis of carbon nanotube-reinforced composite (CNTRC) cylinder made of polyvinylidene fluoride is carried out. Non-axisymmetric thermo-mechanical loads are applied on composite cylinder in the presence of uniform longitudinal magnetic field and radial electric field. The surrounded elastic medium is modelled by Pasternak foundation because of its superior to the Winkler model. By means of Mori–Tanaka method, mechanical properties of CNTRC cylinder are obtained. To enhance the accuracy of results, equilibrium equations are solved analytically by Fourier series approach and distribution of electric displacements, radial, circumferential and effective stresses in CNTRC cylinder are determined. Remarkable effects such as magnetic field intensity, elastic medium, orientation angle and volume fraction of carbon nanotubes (CNTs) on the distribution of effective stress are investigated. Results demonstrate that fatigue life of CNTRC cylinder is significantly dependent on magnetic intensity, orientation angle and volume fraction of CNTs. Results of this investigation can be utilized for optimum design of thick-walled composite cylinders under multi-physical fields.