Short‐beam and three‐point‐bending tests for the study of shear and flexural properties in unidirectional‐fiber‐reinforced epoxy composites
作者： E. Sideridis , G. A. Papadopoulos
DOI: 10.1002/APP.20382
关键词: Beam (structure) 、 Shear strength 、 Shear (sheet metal) 、 Materials science 、 Flexural strength 、 Epoxy 、 Composite material 、 Glass fiber 、 Three point flexural test 、 Bending
摘要: The bending properties of composite materials are often characterized with simply supported beams under concentrated loads. results from such tests commonly based on homogeneous beam equations. For laminated materials, however, these formulas must be modified to account for the stacking sequence individual plies. horizontal shear test a short-beam specimen in three-point appears suitable as general method evaluation fiber-reinforced composites because its simplicity. In experimental part this work, strength unidirectional-glass-fiber-reinforced epoxy resin was determined different fiber directions three-point-bending test. Also, elastic constants and flexural same were experiments carried out specimens 0, 15, 30, 45, 60, 75, 90° high span–thickness ratios. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 93: 63–74,
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