Paper Title:
Interlaminar Shear Property of Z-Pins Reinforced Woven Ceramic Matrix Composites
  Abstract

Z-pins reinforced 2D ceramic matrix composites (CMCs), integratedly designed new materials, are developed to enhance 2D CMCs through-thickness in the form of Z-pins and to ensure significant increase in interlaminar fracture toughness, delamination resistance and impact resistance, and Z-pins reinforced 2D CMCs have much application. Finite element method was adopted to analyze stress distributions of Z-pins reinforced woven CMCs; the interlaminar shear tests were employed to measure interlaminar shear strength; fractographies were observed to examine failure mechanisms. The results are shown as the following: the insertion of Z-pins reduces concentrated stress fields and enhances the uniform stress distribution on the expected fracture plane. Interlaminar shear strength of Z-pins reinforced woven CMCs is increased as Z-pins insertion reaches a certain number. Interlaminar shear strength goes up with the rise of the number of inserted Z-pins. Z-pins shearing and fabric/matrix debonding are interlaminar failure mechanisms of Z-pins reinforced CMCs.

  Info
Periodical
Advanced Materials Research (Volumes 197-198)
Edited by
Huaiying Zhou, Tianlong Gu, Daoguo Yang, Zhengyi Jiang, Jianmin Zeng
Pages
1608-1612
DOI
10.4028/www.scientific.net/AMR.197-198.1608
Citation
W. Liu, G. Q. Jiao, W. X. Zhang, W. M. Zhang, "Interlaminar Shear Property of Z-Pins Reinforced Woven Ceramic Matrix Composites", Advanced Materials Research, Vols. 197-198, pp. 1608-1612, 2011
Online since
February 2011
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Price
$35.00
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