Search Results for glass fibers

Fig. 24 “Chop marks” on the fracture surface of the glass fibers in a glass/polyimide composite tested as a notched four-point bend specimen that failed in compression. 1800× More

Fig. 8 Glass fibers in polypropylene. (a) Without coupling agent. (b) With coupling agent. In (a) the fibers are clean, with no resin adhesion. In (b) the resin coats and attaches to the fiber. More

Fig. 22 Radial marks on the surfaces of glass fibers indicative of tensile failure in a glass/polyimide composite following failure of a notched four-point bend specimen. 3000× More

Fig. 1 The strength of glass fibers embedded in polymer matrices, in terms of fiber strains More

Fig. 8 Long-term behavior of plastic cage made of PA66-GF25 and glass fibers under varying temperatures and different oils. Source: Ref 1 More

Fig. 2 Composite materials made from different types of fibers. (a) Woven glass fiber fabric composite revealing a multiphase-matrix morphology. Ultrathin section, transmitted-light phase contrast, 20× objective. (b) Kevlar (E.I. du Pont de Nemours and Company) fabric composite cross section More

Fig. 7 Normalized moduli versus fiber orientation for a glass-fiber/epoxy-resin composite (a) and a boron-fiber/epoxy-resin composite (b). The normalized Young's modulus, shear modulus, Poissons' ratio, and major shear coupling factor are illustrated for loads applied at different angles More

Fig. 6 S-N curves for (a) various AS4-epoxy laminates and (b) glass-fiber polymer laminates at various ply orientations. Source: (a) Engineered Materials Handbook, Vol 1, Composites, ASM International, 1987, p 438 and (b) C. Osgood, Fatigue Design, 2nd ed., 1982, Pergamon Press, p 530 More

Fig. 7 Voids found in a glass fiber composite cross section due to solvents from manufacturing. Bright-field illumination, 10× objective More

Fig. 8 Residual curing agent particles in a thermoset-matrix glass fiber composite. Reflected-light phase contrast, 40× objective More

Fig. 2 Glass fiber honeycomb composite part submitted for failure analysis. The coordinates were established with a tape measure and a felt-tip permanent-ink marker. The starting point is the lower left corner, numbering “1” to “15” vertically (next to holes) and “A” through “E” horizontally More

Fig. 12 Voids in a glass-fiber-filled engineering thermoplastic matrix. Transmitted light, differential interference contrast, 40× objective More

Fig. 7 Microcracks in a thermoplastic-matrix glass fiber composite. Red penetration dye (DYKEM Steel Red layout fluid, Illinois Tool Works, Inc.), dark-field illumination, 25× objective More

Fig. 9 Microcracked glass fiber composite showing a lack of detail due to absorbed solvent/dye by the matrix. Red penetration dye (DYKEM Steel Red layout fluid), dark-field illumination, 10× objective More

Fig. 3 Matrix morphology differences of an engineering thermoplastic glass fiber composite that was exposed to different cooling rates. (a) Slow cooling rate. (b) Quenched to room temperature. Micrographs were taken from ultrathin sections. Transmitted polarized light, 40× objective More

Fig. 22 Back surface normal velocity histories at the center of glass fiber-reinforced epoxy composite target. V , velocity. Source: Ref 107 More

Fig. 2 High-sensitivity T g detection using MDSC. Sample: glass fiber reinforced epoxy-Kevlar/polyimide; sample size: 32.9 mg; method: MDSC 2.5/60 at 1 °C/min; crimped pan; nitrogen gas purge More

Fig. 8 Parts made with glass fiber/epoxy prepreg using laminated object manufacturing (LOM). The part on the right has been fully cured. More

Fig. 8 Typical reinforcement in-plane shear behavior. 800 g/m 2 glass fiber fabrics. Source: Ref 9 More