Elastic-plastic thermomechanical response of composite co-axial cylinders

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Authors: You, L.H. and Zheng, Z.Y.

Journal: Journal of Materials Science

Volume: 41

Issue: 15

Pages: 4901-4913

eISSN: 1573-4803

ISSN: 0022-2461

DOI: 10.1007/s10853-006-0319-x

A new method is developed in this paper to deal with the thermomechanical response of continuous fiber-reinforced composites. Treating the matrix as an elastic-perfectly plastic solid, the analytical formulae of the deformations and stresses of the matrix are obtained from the plasticity theory, axisymmetric equilibrium equation, and stress-strain and strain-displacement relations. The fiber is taken to be an anisotropic, elastic material, and the formulae calculating its deformations and stresses are also presented. The boundary conditions and the consistence of deformations and stresses between the fiber and matrix, and between elastic and plastic regions of the matrix are employed to determine the unknown constants in the analytical formulae. With the developed method, the thermomechanical stress distributions in composites reinforced with circumferentially orthotropic, radially orthotropic and transversely isotropic fibers are investigated, and how the elastic-perfectly plastic property and different materials of the matrix affect the thermomechanical response of the composites is discussed. For the thermomechanical loads and composite systems given in this paper, the elastic-perfectly plastic property of the matrix can reduce the compressive stresses in the fiber, and the tensile circumferential and axial stresses in the matrix. A strong matrix can raise the compressive stresses in the fiber, and the tensile circumferential and axial stresses in the matrix. © Springer Science+Business Media, Inc. 2006.

This data was imported from Web of Science (Lite):

Authors: You, L.H. and Zheng, Z.Y.

Journal: JOURNAL OF MATERIALS SCIENCE

Volume: 41

Issue: 15

Pages: 4901-4913

ISSN: 0022-2461

DOI: 10.1007/s10853-006-0319-x

The data on this page was last updated at 05:09 on February 24, 2020.