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Modeling of the Thermo-Elastic Properties of Woven Fabric Composites in Complex Shapes / D. Laroche, T. Vu-Khanh

Conference Author:
Eleventh Volume: Composite Materials¿̐ưTesting and Design (11th : 1992 : Pittsburgh, PA)
Physical Description:
1 online resource (13 pages) : illustrations, figures, tables
Additional Creators:
Laroche, D., Vu-Khanh, T., American Society for Testing and Materials, and ASTM International
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Summary:
The fabrication of complex parts such as double curvature shells made from woven fabric composites leads to in-plane shear deformations that modify the orthogonal structure of the fabric. This may cause significant changes in the thermo-mechanical properties of each ply. This paper presents a study on the thermo-mechanical properties of woven fabric composites after in-plane shear deformations resulting from the forming process of fabrication. The properties of the deformed composite are predicted using a sub-plies model. Using equivalent properties that have been deter- mined experimentally for fictive unidirectional sub-plies, the modeling of the thermo-elastic proper ties of non-orthotropic, deformed woven fabric composites in parts of complex shape is proposed. The advantage of the model is that it allows direct use of layered shell elements in finite elements codes. The validity of the model is verified by performing experimental measurements on woven fabric composites of two different fabric structures, previously deformed by in-plane shearing. The results show that the sub-plies model predicts relatively well the elastic properties of deformed woven fabric composites. It also shows the important influence of the weaving pattern on the properties of these composites.
Dates of Publication and/or Sequential Designation:
Volume 1993, Issue 1206 (January 1993)
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ISBN:
9780803152526 (e-ISBN)
9780803118799
0803118791
Digital File Characteristics:
text file PDF
Bibliography Note:
Includes bibliographical references 23.
Other Forms:
Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
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Also available in PDF edition.
Reproduction Note:
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1993. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details:
Mode of access: World Wide Web.
Source of Acquisition:
ASTM International PDF Purchase price USD25.
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