... for Characterizing Nonlinear Behavior of Fiber Composites ,” Journal of Composite Materials   0021-9983 , Vol. 23 , 10 1989 , pp. 1009 - 1020 . Sun , C. T. and Chen , J. L. , “ A Micromechanical Model for Plastic Behavior of Fibrous Composites ,” Composites Science and Technology   0266-3538...

... Laminates Due to Thermal and Mechanical Effects ,” Proceedings of the International Symposium on Composite Materials and Structures , Beijing, China , 06 1986 . 3-D finite elements superelements progressive substructuring fiber composites interply layers 3-D stress fields axial tension...

... Report TM-79306, National Aeronautics and Space Administration , Washington, DC, 1979 . Chamis , C. C. and Sinclair , J. H. , “ Durability/Life of Fiber Composites in Hygrothermomechanical Environments ,” Composite Materials: Testing and Design (6th Conference)   STP 787 , American...

... form solution, this will be presented here. KEYWORDS: fiber composites, water diffusion, absorption, fiber-matrix interface Water absorption constitutes a major problem for users of reinforced plastics in the aircraft industry, since the water increases the weight of the structure and decreases...

... to act as barriers to diffusion. However, there was strong evidence that these composites had regions with enhanced diffusivity. KEYWORDS: fiber composites, water diffusion, absorption, fiber-matrix interface Water absorption is an important problem encountered when fiber composites are used for aircraft...

... water, since its polarizability is much reduced. The amount of reduction in effective dielectric constant of the water was only about 55 to 77070indicating that there was some clustering of the water molecules in the polymer, rather than complete separation of the molecules. KEYWORDSt fiber composites...

... compositedeformation and fracture under multiaxial loadingare determined. A multiaxial stress failure criterion for the compositematerial is also obtained from the test and analysis of the sandwich specimen. KEYWORDS: fiber composites, multiaxial fracture, failure criterion, bending torsion experiment, theoretical...

... be characterized from prepreg samples with the type of rheometer now in wide use in the continuous fiber composite industry. D. J. Boll, 1Ben Motiee, 1 and Willard D. Bascom 1 Characterizing Matrix Resin Flow in Carbon Fiber Prepreg REFERENCE: Boll, D. J., Motiee, B., and Bascom, W. D., "Characterizing Matrix...

...: photoelasticity,stress analysis,strains, fiber composites, compressing There has been steady progress since the early 1970s toward the application of transmission photoelasticity to stress analysis of fiber reinforced composites. The theory of photo-orthotropic elasticity has been developed through various stress...

... betweentheoretical predictions and published tensile strength data on cast Fiber FP/aluminumand Fiber FP/ magnesium. KEYWORDS: composites, stresses, tensile streneth, fiber composites, aluminum oxide For many years, alumina (AI203) has been recognized as a potentially promising metal matrix composite reinforcement...