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The study of fatigue behavior of epoxy composites reinforced by glass and Kevlar fibers | ||
| Diyala Journal For Pure Science | ||
| Article 1, Volume 8, Issue 3, 2012, Pages 120-132 | ||
| Authors | ||
| Khaled Rashad al-Rawi; Harith Ibrahim Jaafar; Hind Waleed Abdullah | ||
| Abstract | ||
| Fatigue behavior for three layer glass and Kevlar woven roving (0° - 90°) fibers have been studied by rotary bending method by S-N curves these curves have determined fatigue life and fatigue limit and fatigue strength of composite . The test specimens were prepared by hand lay-up method the epoxy resin used as a matrix type (Quick mast 105) in prepared material composite where reinforced this matrix by two types of fibers( Kevlar -49) and woven roving glass that we can see it in (1-1) table Sinusoidal wave which is formed of variable stress amplitudes at 15 Hz cycles was employed in the fatigue test and (10 mm) deflection arrival to numbers of cycle failure limit. The results show us the reinforcement has important act to increased resistance to the fatigue compared with specimens have not reinforcement this side the specimens reinforcement of glass fiber have resistance to fatigue and fatigue life better than the specimens reinforcement of Kevlar fiber | ||
| Keywords | ||
| fatigue; subsidized epoxy resin; Fibers Ulkiplr; Fiber glass; manual configuration method; Fatigue resistance | ||
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