Constitutive Relations of a Cracked Composite Lamina

An approximate elasticity theory solution is given for the stress-strain relations of a cracked composite lamina. These relations are written in the familiar form of two- dimensional compliances appropriate for use with laminated plate theory, and include the effects of non-mechanical strains. It is shown explicitly that the cracked lamina com pliances depend upon the overall laminate construction in which the lamina is contained.

[1]  N. Laws,et al.  Stiffness changes in unidirectional composites caused by crack systems , 1983 .

[2]  D.L. Flaggs,et al.  Prediction of Tensile Matrix Failure in Composite Laminates , 1985 .

[3]  R. Nuismer,et al.  THE ROLE OF MATRIX CRACKING IN THE CONTINUUM CONSTITUTIVE BEHAVIOR OF A DAMAGED COMPOSITE PLY , 1983 .

[4]  P.W.M. Peters,et al.  The Strength Distribution of 90° Plies in 0/90/0 Graphite-Epoxy Laminates , 1984 .

[5]  A. Nayfeh,et al.  A continuum mixture theory of wave propagation in laminated and fiber reinforced composites , 1973 .

[6]  George J. Dvorak,et al.  Analysis of Progressive Matrix Cracking in Composite Laminates I. Thermoelastic Properties of a Ply with Cracks , 1985 .

[7]  M. G. Bader,et al.  THE MECHANISMS OF INITIATION AND DEVELOPMENT OF DAMAGE IN MULTI-AXIAL FIBRE-REINFORCED PLASTICS LAMINATES , 1980 .

[8]  J. E. Bailey,et al.  Multiple transverse fracture in 90° cross-ply laminates of a glass fibre-reinforced polyester , 1977 .

[9]  S. Tsai,et al.  On the Behavior of Composite Laminates After Initial Failures , 1974 .

[10]  A. Nayfeh.  Thermomechanically induced interfacial stresses in fibrous composites , 1977 .

[11]  M. Kural,et al.  Experimental Determination of the In Situ Transverse Lamina Strength in Graphite/Epoxy Laminates , 1982 .

[12]  A.S.D. Wang,et al.  Initiation and Growth of Transverse Cracks and Edge Delamination in Composite Laminates Part 1. An Energy Method , 1980 .

[13]  J. E. Bailey,et al.  Constrained cracking in glass fibre-reinforced epoxy cross-ply laminates , 1978 .