Dynamic and Quasi-static Failure Evolution of 3D Woven Cellular Composite Systems-Reference-Cited by-同舟云学术

Dynamic and Quasi-static Failure Evolution of 3D Woven Cellular Composite Systems

Published:2004-03 Issue:5 Volume:23 Page:471-481
ISSN:0731-6844
Container-title:Journal of Reinforced Plastics and Composites
language:en
Short-container-title:Journal of Reinforced Plastics and Composites

Author:

Baucom J. N.¹,Zikry M. A.¹,Qiu Y.²

Affiliation:

1. Department of Mechanical and Aerospace Engineering North Carolina State University Raleigh, NC 27695-7910, USA

2. Textile Engineering Chemistry & Science North Carolina State University Raleigh, NC 27695-8301, USA

Abstract

The effects of porosity on the impact response and perforation resistance of 3D woven carbon-fiber reinforced epoxy panels under impact by projectiles and under quasi-static three-point bending were experimentally investigated. The 3D cellular composite systems were fabricated by a new method, where porosity can be controlled. The porous samples absorbed a greater amount of specific energy than the nonporous samples. This may be due to the deflection of matrix cracks by the pores and the greater flexibility of the fibers to absorb energy through tensile straining. The quasi-static experiments also indicate that porosity may exhibit strength comparable to nonporous systems.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

Link

http://journals.sagepub.com/doi/pdf/10.1177/0731684404032076

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