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Title: Misfit dislocation dipoles in coated fibrous composites
Authors: Wang, Xu
Zhou, Kun
Keywords: Misfit dislocation dipole
Fibrous composite
Issue Date: 2013
Source: Wang, X., & Zhou, K. (2013). Misfit dislocation dipoles in coated fibrous composites. Mechanics Research Communications, 52, 88-91.
Series/Report no.: Mechanics Research Communications
Abstract: We investigate the stability of a misfit screw dislocation dipole in a coated fibrous composite. The fiber is stiffer whereas the coating is more compliant than the matrix. A critical coating thickness is identified for given material parameters of the composite. For a compliant coating below the critical thickness, there exist an inner unstable and an outer stable equilibrium position in the matrix for the dislocation dipole. However, for a compliant coating above the critical thickness, the dislocation dipole will be attracted to the coating–matrix interface. If the coating thickness is greater than the inclusion radius, the dislocation dipole cannot lodge in the matrix no matter what values of the material parameters are chosen.
ISSN: 0093-6413
DOI: 10.1016/j.mechrescom.2013.07.004
Schools: School of Mechanical and Aerospace Engineering 
Rights: © 2013 Elsevier.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MAE Journal Articles

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