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The Scientific World Journal - Volume 2014 2014, Article ID 282436, 9 pages -

Research Article

State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China

Department of Mechanics, Tianjin University, Tianjin 300072, China

Received 31 October 2013; Accepted 23 January 2014; Published 7 April 2014

Academic Editors: Y. Fu and G. Pedrini

Copyright © 2014 Zhenkun Lei et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Recent advances of interfacial micromechanics in fiber reinforced composites using micro-Raman spectroscopy are given. The faced mechanical problems for interface design in fibrous composites are elaborated from three optimization ways: material, interface, and computation. Some reasons are depicted that the interfacial evaluation methods are difficult to guarantee the integrity, repeatability, and consistency. Micro-Raman study on the fiber interface failure behavior and the main interface mechanical problems in fibrous composites are summarized, including interfacial stress transfer, strength criterion of interface debonding and failure, fiber bridging, frictional slip, slip transition, and friction reloading. The theoretical models of above interface mechanical problems are given.

Autor: Zhenkun Lei, Xuan Li, Fuyong Qin, and Wei Qiu



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