.... composite laminates delamination glass-epoxy interlaminar fracture three-dimensional finite element analysis torsional loading combined loading Joyanto K. Sen 1 and John C. Fish 2 Fracture of Glass-Epoxy Laminates Under Torsion and Combined Tension-Torsion Loads REFERENCE: Sen, J. K. and Fish, J. C...

.... composite laminates compressive strength interphase fatigue performance notched strength fiber surface treatment fiber sizing transverse flexural strength fiber microbuckling longitudinal splitting Robert E. Swain, 1Jennifer S. Elmore,2 John J. Lesko,2 and Kenneth L. Reifsnider2 The Role...

... An experimental investigation was conducted to study the failure strength and damage mechanism of notched composite laminates under a biaxial compression loading condition. Square specimens (125 mm) were made from G-10 orthotropic woven composite laminates by drilling a 20-mm-diameter center...

... An experimental study of static strength and failure mechanisms of G-10 woven composites laminates was conducted on tubular specimens. Loading conditions included tension, compression, internal pressure, and external pressure to produce any desired combination of axial and hoop stresses...

.... damage accumulation composite laminates characteristic length minimum strength model notched strength X-ray techniques tensile loading compressive loading Seng C. Ta# and Ran Y. Kim 2 Damage Accumulationand Fracture of Notched Composite Laminates Under Tensile and Compressive Loading REFERENCE...

...-dependent behavior. Recent results of predictions and observations are cited in support of the premise that a critical element approach can be used as a framework for the formulation of such a representation. KEY WORDS: advanced materials, fatigue (materials), composite laminates, creep, creeprupture...

... delamination fracture toughness was determined for graphite epoxy and graphite thermoplastic polymer matrix composite laminates. Also, plane strain chevron notch fracture toughness, K Iv , was determined for 6061-T651 Al using a metal/metal HSB specimen. The metal/metal HSB specimen consisted of Al 6061...

... The growth of transverse ply cracks in composite laminates has been investigated both theoretically and experimentally. Some of the closed-form strain energy release rate based analyses of this problem in the literature have been compared and extensions to these approaches are presented...

... in literature are correlated with analytical predictions for failure of critical ligaments. Other relevant failure mechanisms are also discussed. composite laminates surface cracks surface cuts fracture mechanics elliptic cracks semielliptic cracks homogenization surface damage Sailendra N...

... crack in the bottom lamina which could branch out into delamination cracks when adhesive layers were absent tended to penetrate the middle lamina and break fibers. composite laminates impact delamination matrix cracks adhesive layer contact force contact law C. T. Sun^ and Said Rechak...

... This paper addresses the basic question of how to develop a mechanistic cumulative damage model that has the capability of describing and predicting the strength and life of high-modulus continuous-fiber composite laminates subjected to general cyclic loading. The paper is a first step...

... are compared with numerical results available in the literature and with values obtained by an experimental program conducted on angle-ply glass/epoxy laminates. composite materials interlaminar stresses angle-ply delaminations stress analysis composite laminates Paolo Conti^ and Antonio De...

... results reported in the literature. Also, near surface delaminations in thin laminates tend to have larger strain-energy release rates than corresponding near surface delaminations in thick laminates. composite laminates interlaminar stresses thickness effects stress analysis delamination...

..., the damage recorded from uniaxially loaded plates containing central circular holes and semicircular edge notches are compared with the predictions of the difference theory. composite laminates notched laminates free-edge effects replication techniques test methods E. C. Klang^ and M. W. Hyer...

.... Finite-element analyses are performed to compare with the experimental results. The findings indicate that delaminations of the size considered can be tolerated for some service conditions without dire consequences. composite materials fatigue (materials) fracture mechanics composite laminates...

... strength and that predicted by the model. composites load sequence effects mathematical model composite laminates residual strength boundary effect memory effect Jann N. Yang^ and Douglas L. Jones^ Load Sequence Effects on Graphite/Epoxy [±35]2s Laminates REFERENCE; Yang, J. N. and Jones, D...

... Static indentation tests have been conducted on glass/epoxy and graphite/epoxy composite laminates with steel balls as the indentor. Beam specimens clamped at various spans were used for the tests. Loading, unloading, and reloading data were obtained and fitted into power laws. It was found...

... either incrementally increasing or constant strain cyclic loading. Comparisons of experiments to the fracture sequence predictions by stress and energy analysis are made to assess our ability to account for the ply thickness dependence of fracture in these laminates. composite laminates graphite...

... Stress and strength analysis of composite laminates with a through-the-thickness circular hole under uniaxial tensile load has been conducted. The hole is filled with a rigid core simulating a bolt. As a representation of the force at the bolted joint, displacement boundary conditions...

... scanning system ultrasonic inspection techniques ultrasonic transducers pulse-echo C-scans composite laminates graphite/epoxy flat coupons cylindrical specimens critical flaws flaw growth spectrum fatigue testing composite materials T. Liber,' /. M. Daniel,' and S. W. Schramm^ Ultrasonic...