Mechanical properties of a hollow-cylindrical-joint honeycomb

Chen, Q., Pugno, N., Zhao, K., & Li, Z. (2014) Mechanical properties of a hollow-cylindrical-joint honeycomb. Composite Structures, 109(1), pp. 68-74.

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In this paper, we constructed a new honeycomb by replacing the three-edge joint of the conventional regular hexagonal honeycomb with a hollow-cylindrical joint, and developed a corresponding theory to study its mechanical properties, i.e., Young's modulus, Poisson's ratio, fracture strength and stress intensity factor. Interestingly, with respect to the conventional regular hexagonal honeycomb, its Young's modulus and fracture strength are improved by 76% and 303%, respectively; whereas, for its stress intensity factor, two possibilities exist for the maximal improvements which are dependent of its relative density, and the two improvements are 366% for low-density case and 195% for high-density case, respectively. Moreover, a minimal Poisson's ratio exists. The present structure and theory could be used to design new honeycomb materials.

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7 citations in Web of Science®

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ID Code: 90287
Item Type: Journal Article
Refereed: No
Keywords: Hollow-cylindrical-joint honeycomb, Poisson's ratio, Strength, Stress intensity factor, Young's modulus
DOI: 10.1016/j.compstruct.2013.10.025
ISSN: 1879-1085
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 Elsevier Ltd
Deposited On: 20 Nov 2015 00:54
Last Modified: 25 Nov 2015 04:52

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