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Fatigue Study Of E-Glass Fiber Reinforced Polyester Composite Under Fully Reversed Loading And Spectrum Loading | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 26, Issue 10, 2008, Pages 1210-1224 PDF (1.02 M) | ||
| DOI: 10.30684/etj.26.10.6 | ||
| Authors | ||
| Muhannad Z. Khelifa; Hayder Moasa Al-Shukri | ||
| Abstract | ||
| Study of the fatigue behaviors experimentally and theoretically of a composite material manufactured for this paper by stacking four layers of E-glass fiber in different angle orientations (0o, ± 45o, 0o/90o) immersed in polyester resin with total thickness 4 mm. They were tested under two types of dynamic loads in fully reversible tension-compression load at (R=-1) and spectrum load as fatigue testing, to estimate life curves and microscopic an examination was carried out for stress affected and fracture areas. Finite Element Analysis (FEA) using ANSYS Workbench™ was used to evaluate the composite behaviour under fatigue conditions. The results of the fatigue test show that the uniaxial [04] composite has the highest strength and the fatigue degradation is also the highest. The high magnification optical microscopy method shows that the failure of laminas at ± 45oand 0o/ 90o is due to matrix failure in the direction of the fiber, whereas for the unidirectional lamina at 0o, the failure is due to fiber breakages. | ||
| Keywords | ||
| Glass fiber; Composite material fatigue; Spectrum Loading; Fully reversed Loading; Compression | ||
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