Fiber reinforced polymer (FRP) laminates are being used as external reinforcement for strengthening concrete members. The performance of unidirectional FRP laminates is highly dependent on fiber orientation with respect to applied load direction. In the case of fabrication by manual lay-up, it is possible to have fiber plies installed with improper orientation. In this project, the degradation ...

The mode I interlaminar fracture toughness of stitched and unstitched composite laminates of continuous UD flax fiber and epoxy matrix was experimentally and numerically investigated. A twistless flax fiber yarn was used for stitching purpose. The mode I interlaminar energy release rate of the unstitched and stitched laminates was experimentally determined through Double Cantilever Beam (DCB) t...

Hybrid laminates, such as fiber metal are increasingly used in engineering applications due to their outstanding damage tolerance and weight-specific performance. Prone vibrations, laminates have recently been complemented by viscoelastic elastomer layers order achieve a desired level of damping following the principles constrained layer damping. This paper presents an analytical modeling appro...

The purpose of this study is to review many of the available guidelines for Polymer composite materials. Guide lines for failure mode, laminates orientation, winding angle, water absorption, as they strongly influence the mechanical properties of composite materials. The present review is focused on composite laminates made of glass, carbon, graphite, hybrid and natural fiber composites, since ...

The growth of the aerospace industry has motivated the development of alternative materials. The fiber-metal laminate composites (FML) may replace the monolithic aluminum alloys in aircrafts structure as they present some advantages, such as higher stiffness, lower density and longer lifetime. However, a great variety of deformation modes can lead to failures in these composites and the degrada...

The investigation aims at: (i) constructing a modified higher-order shear deformation theory in which Kirchhoff's hypotheses are relaxed, to allow for shear deformations; (ii) validating the present 5-parameter-smeared-laminate theory by comparing the results with exact solutions; and (iii) applying the theory to a specific problem of the postbuckling behavior of a flat stiffened fiber-reinforc...

Glass Fiber Reinforced Polymeric (GFRP) Composites are most commonly used as bumpers for vehicles, electrical equipment panels, and medical devices enclosures. These materials also widely structural applications in aerospace, automotive, providing alternatives to traditional metallic materials. The paper fabricated epoxy polyester resin composites by using silicon carbide various proportions al...

Fiber Reinforced Polymer (FRP) laminates have been widely used in engineering applications recent decades. This is mainly due to their superior mechanical properties compared single-phase materials. High strength-to-weight ratio, high stiffness, and excellent corrosion fatigue resistance are some of the attractive these In large structures, drilling composite panels a typical operation assemble...