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Design, Manufacturing, and Testing of a Variable Stiffness Composite Cylinder

Title:

Design, Manufacturing, and Testing of a Variable Stiffness Composite Cylinder

Rouhi, Mohammad, Ghayoor, Hossein, Fortin-Simpson, Jeffrey, Zacchia, Tom T., Hoa, Suong V. and Hojjati, Mehdi (2017) Design, Manufacturing, and Testing of a Variable Stiffness Composite Cylinder. Composite Structures . ISSN 02638223 (In Press)

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Official URL: http://dx.doi.org/10.1016/j.compstruct.2017.09.090

Abstract

Fiber steering is one of the promising capabilities of Automated Fiber Placement (AFP) technology in manufacturing of advanced composite structures with spatially tailored properties. The so-called variable stiffness (VS) composites have considerable scope to outperform their traditionally made constant stiffness (CS) counterparts. However, there are several design and manufacturing challenges to be addressed before practically using them as structural components. In this work we demonstrate the design, manufacturing and testing procedure of a variable stiffness (VS) composite cylinder made by fiber steering. The improved bending-induced buckling performance is the objective of the VS cylinder to be compared with its CS counterpart. The experimental results show that the buckling capacity of the VS cylinder is about 18.5% higher than its CS counterpart.

Divisions:Concordia University > Gina Cody School of Engineering and Computer Science > Mechanical, Industrial and Aerospace Engineering
Item Type:Article
Refereed:Yes
Authors:Rouhi, Mohammad and Ghayoor, Hossein and Fortin-Simpson, Jeffrey and Zacchia, Tom T. and Hoa, Suong V. and Hojjati, Mehdi
Journal or Publication:Composite Structures
Date:30 September 2017
Funders:
  • Natural Sciences and Engineering Research Council of Canada (NSERC)
Digital Object Identifier (DOI):10.1016/j.compstruct.2017.09.090
Keywords:Variable stiffness; Design optimization; Buckling; Composite manufacturing; Automated fiber placement
ID Code:983105
Deposited By: DANIELLE DENNIE
Deposited On:05 Oct 2017 13:38
Last Modified:29 Sep 2018 00:01

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