Damping and low-velocity impact behavior of filled composite pyramidal lattice structures-Reference-Cited by-同舟云学术

Damping and low-velocity impact behavior of filled composite pyramidal lattice structures

Published:2013-06-18 Issue:15 Volume:48 Page:1789-1800
ISSN:0021-9983
Container-title:Journal of Composite Materials
language:en
Short-container-title:Journal of Composite Materials

Author:

Yin Sha¹²,Wu Linzhi¹,Yang Jinshui¹,Ma Li¹,Nutt Steven²

Affiliation:

1. Center for Composite Materials, Harbin Institute of Technology, Harbin, China

2. Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, CA, USA

Abstract

Composite pyramidal lattice structures with hollow trusses afford a convenient means to enable functionality by inserting elements into free volumes within or between trusses. In this study, vibration and low-velocity impact tests were carried out to investigate the dynamic behavior of hollow composite pyramidal lattice structures filled with silicone rubber. Frequencies and the corresponding damping ratios were obtained, which revealed that the damping ratios of space-filled composite pyramidal lattices increased by two times but those of hybrid composite pyramidal lattices decreased by 2% for the first three orders compared with hollow composite pyramidal lattices. Energy absorption capability for rubber-filled structures increased and the rubber filled between trusses can prevent tup penetration. Desired functional potentials can be realized for composite pyramidal lattice structures by serious selection of filling materials and the corresponding geometry.

Publisher

SAGE Publications

Subject

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

Link

http://journals.sagepub.com/doi/pdf/10.1177/0021998313490582

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