Analysis Of Failure Phenomena In Multi- Fiber Polymer Composite Material At Varying Volume Fraction Using Finite Element Modeling

摘要

In present work 2D FE (finite element) analysis of deformation and damage evolution site in fiber reinforced composites are carried out. The fiber cracking point and stresses is simulated in the fibers/matrix interface, using the ANSYS FE software at varying volume fractions. The effect of matrix cracks and the interface strength on the fiber failure is investigated. Multi-fibre model were used to study the fracture process of polymer composites in uniaxial loading. The investigations were focused on numerical results determining the influence of multi fiber as compare to the single fiber model. Results shows that in multi-fiber models failure decreases due to decreased stress concentrations at the fracture site and the strength of the composite material increases by reinforced with multi fiber than single fiber at same volume fraction.