Elastic Analysis for Thick-Walled Tubes of Functionally Graded Material Subjected to Internal Pressure

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概要

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• The elastic problem of thick-walled tubes of a functionally graded material(FGM) under internal pressure in the case of plane strain (ε_z=0) has been studied. The model components of the FGM are based on the combination of a matrix with three kinds of elastic moduli of 35, 70, and 210 GPa, and a particle with an elastic modulus of 360 GPa. The distribution profile is assumed by the expressions reported previously for a corundum/ plaster FGM. The elastic stress and strain distributions for the FGM became complicated because of radial elastic modulus gradations. The effects of distribution profiles on the deformation can be summarized by considering the variation of the normalized elastic modulus rate [(dE/dr)/E] in the radial direction. If a greater positive normalized elastic modulus rate is obtained, the circumferential stress at an inner plane of a tube is decreased, and then the tube begins to function as a compound tube.

• 一般社団法人日本機械学会の論文
• 1992-10-15

著者

• Yamanaka N

  Miyakonojo Technical Coll. Miyakonojo Jpn

• Yamanaka Noboru

  Miyakonojo Technical College

• Fukui Yasuyoshi

  Faculty of Engineering, Kagoshima University

• Fukui Y

  Faculty Of Engineering Kagoshima University

• Fukui Yasuyoshi

  Faculty Of Engineering Kagoshima University

関連論文

• Forming Limit of Sheet Metal Considering Surface Roughness
• The Stresses and Strains in a Thick-Walled Tube for Functionally Graded Material under Uniform Thermal Loading
• Elastic Analysis for Thick-Walled Tubes of Functionally Graded Material Subjected to Internal Pressure
• A Simulative Experiment for Characterizing the Strength of Functionally Gradient Material : The Analysis for the Case of Radial Crushing Test
• A Study on the Formability of Sheet Steel
• Effects of Sheet Thickness on the In-Plane Stretch Forming Limit in an Aluminum Sheet

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