Paper Title:
Bending Properties and Failure Mechanisms of Tapered 3D Braided Composites
  Abstract

Tapered 3D braided composites are prepared by column yarn-reduction technique, unit yarn-reduction technique and cutting, respectively. Bending properties in the tapered regions of the composites are obtained by three-point bending tests, and SEM photographs of the fracture surfaces are observed to analyze the failure mechanisms. Results show that bending modulus and bending strength of the yarn-reduction composites are significantly higher than those of the cut composites, and the unit yarn-reduction composites are slightly stronger than the column yarn-reduction composites. The saw-tooth propagation of matrix crackings and interfacial debondings are the primary failure mechanisms of the yarn-reduction composites, while yarn breakages and yarn pulling-outs are the main failure modes of the cut composites.

  Info
Periodical
Advanced Materials Research (Volumes 332-334)
Chapter
Chapter 10: Finishing Technology
Edited by
Xiaoming Qian and Huawu Liu
Pages
1468-1471
DOI
10.4028/www.scientific.net/AMR.332-334.1468
Citation
C. C. Cheng, Z. L. Liu, L. F. Liu, J. Y. Yu, "Bending Properties and Failure Mechanisms of Tapered 3D Braided Composites", Advanced Materials Research, Vols. 332-334, pp. 1468-1471, 2011
Online since
September 2011
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Price
$32.00
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