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International Journal of Nonlinear Sciences and Numerical Simulation

Editor-in-Chief: Birnir, Björn

Editorial Board Member: Armbruster, Dieter / Bessaih, Hakima / Chou, Tom / Grauer, Rainer / Marzocchella, Antonio / Rangarajan, Govindan / Trivisa, Konstantina / Weikard, Rudi

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Online
ISSN
2191-0294
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Volume 13, Issue 2 (Apr 2012)

Issues

Strain Rate Effects on the Interaction between an Eccentric Matrix Crack and a Circular Inclusion in Composites under Dynamic Loadings

Lu-Guang Liu
  • State Key Laboratory of Explosion Science and Technology, School of Mechatronics, Beijing Institute of Technology, Beijing, P. R. China
/ Zhuo-Cheng Ou
  • State Key Laboratory of Explosion Science and Technology, School of Mechatronics, Beijing Institute of Technology, Beijing, P. R. China
/ Ai-Guo Pi
  • Corresponding author
  • State Key Laboratory of Explosion Science and Technology, School of Mechatronics, Beijing Institute of Technology, Beijing, P. R. China
  • Email:
/ Zhuo-Ping Duan
  • State Key Laboratory of Explosion Science and Technology, School of Mechatronics, Beijing Institute of Technology, Beijing, P. R. China
/ Feng-Lei Huang
  • State Key Laboratory of Explosion Science and Technology, School of Mechatronics, Beijing Institute of Technology, Beijing, P. R. China
Published Online: 2012-04-20 | DOI: https://doi.org/10.1515/ijnsns-2011-114

Abstract

The interaction between an eccentric matrix crack and a circular inclusion in composites was investigated numerically to explore the strain rate effects on the crack deflection/penetration behavior at the matrix-inclusion interface. It is found, with the increase of strain rate, that there will occur in turn the crack deflection, the double-crack fracture and the crack penetration processes for a certain material. Moreover, both higher relative interfacial strength and smaller eccentric angles can redound to the crack penetration. Additionally, it is demonstrated that the strain rate effect on the composite strength is a local structural response characteristic rather than an intrinsic material property, which sounds in agreement with that proposed by previous authors.

Keywords: Composite fracture; strain rate; eccentric angle; crack deflection; interfacial strength

PACS®(2010): 62.20.mm

About the article

Received: 2011-11-14

Accepted: 2011-12-07

Published Online: 2012-04-20

Published in Print: 2012-04-01


Citation Information: International Journal of Nonlinear Sciences and Numerical Simulation, ISSN (Online) 2191-0294, ISSN (Print) 1565-1339, DOI: https://doi.org/10.1515/ijnsns-2011-114. Export Citation

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