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Methods of determination of shear properties of textile composites |
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| Affiliation: | 1. School of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai 200240, China;2. AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China;3. AVIC Aircraft Strength Research Institute, Xi’an 710065, China;1. INEGI–Instituto de Ciência e Inovação em Engenharia Mecânica e Engenharia Industrial, Rua Dr. Roberto Frias 400, 4200-465 Porto, Portugal;2. DEMec, FEUP, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal;1. IMDEA Materials Institute, C/Eric Kandel 2, 28906, Getafe, Madrid, Spain;2. Departamento de Ciencia de Materiales, Universidad Politécnica de Madrid, E.T.S. de Ingenieros de Caminos, Canales y Puertos, 28040, Madrid, Spain |
| Abstract: | Shear properties of four types of composites possessing no planes of weak shear strength and stiffness are experimentally investigated. Shear characteristics measured by Iosipescu test and/or its modification Asymmetrical Four-Point Bending (AFPB) are compared with experimental results obtained in the work by seven other shear tests developed for the determination of shear modulus and shear strength of fibrous and layered composites. One of the article’s purposes is to estimate an applicability of Iosipescu and AFPB tests for the determination of shear properties of textile composites fabricated by different processing methods. A long-standing experience of investigations of 3-D textile composites accumulated in the Institute of Polymer Mechanics is generalized in the paper. |
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