York, C.B. (2010) Design concepts for laminated composite materials with thermal and/or mechanical coupling response. In: 1st EASN Association Workshop on Aerostructures, Serenes, Paris, France, 7 - 8th September 2010,
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Abstract
New design concepts are demonstrated for twenty-four classes of laminate, which have been derived as part of an ongoing study on the development of a unified approach to the characterization of coupled laminates. This article presents a description of each class of coupled laminate; the vast majority possessing coupling behaviour not previously identified in the literature. Coupled laminates have potential applications in the: design of aero-elastic compliant rotor blades or aircraft wing structures, by introducing tailored Extension-Twisting and/or Shearing-Extension coupling at the laminate level or; design of thermally activated morphing structures, by exploiting more complex coupling behaviour. Results are presented which demonstrate various mechanical coupling responses, including thermally induced curvature predictions resulting from a high temperature cure process. However, the main focus of this article concerns the identification of laminates possessing complex mechanical couplings that remain hygro-thermally curvature stable; also referred to as warp-free laminates. The number of solutions for each class of coupled laminate is given together with example stacking sequences. These laminates contain standard cross-ply and/or angle-ply combinations, although double angle-ply laminates are also considered, and correspond to any standard fibre/matrix system with a constant ply thickness throughout.
Item Type: | Conference Proceedings |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | York, Dr Christopher |
Authors: | York, C.B. |
College/School: | University Centres > Glasgow Materials Research Initiative |
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