Acoustic Research on the Damage Mechanism of Carbon Fiber Composite Materials

Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 158)


This thesis involves the study about different processes including the tensile fracture, inter-layer tear or avulsion, as well as the interlaminar shear or split regarding carbon fiber composite materials with the aid of acoustic emission technique. Also, various acoustic emission signals that are released by composite samples in the process of fracture are analyzed. As is indicated by the test results, different acoustic emissive signals that are released by carbon fiber layers in various stages of damage and fracture bear different characteristics. Acoustic detection can effectively monitor the whole stage of elastic deformation, the damage development, and even the accumulation process while figuring out in an efficient manner about the internal activities of the composites, plus the diverse types of damages. In addition, its fabulous application value lies in its relevant structural evaluation as well as the evaluation of integrity with regard to carbon fiber composite.


Carbon Fiber Acoustic Emission Acoustic Emission Signal Acoustic Emission Technique Acoustic Emission Source 
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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Hangzhou Special Equipment Inspection and Research InstituteHangzhouChina

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