Paper Title:
Characterization of Tensile Damage for 3D-C/SiC Composites by Acoustic Emission
  Abstract

The various damage mechanisms in 3D-C/SiC composites are identified using acoustic emission (AE) signal parameters, and the Felicity effect is studied on different unloading stress. As a result, the damage mechanisms in 3D-C/SiC composites can be identified successfully by the amplitude, average frequency and relative energy, and there are several damage modes together during uniaxial tensile process. The Kaiser effect is almost absent and the Felicity ratio fluctuates at 0.95 on lower stress stage and drops when the relative stress is above 65%.

  Info
Periodical
Advanced Materials Research (Volumes 97-101)
Edited by
Zhengyi Jiang and Chunliang Zhang
Pages
834-837
DOI
10.4028/www.scientific.net/AMR.97-101.834
Citation
Y. J. Chang, K. S. Zhang, H. J. Hu, G. Q. Jiao, "Characterization of Tensile Damage for 3D-C/SiC Composites by Acoustic Emission", Advanced Materials Research, Vols. 97-101, pp. 834-837, 2010
Online since
March 2010
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