Microcracking, Microcrack-induced Delamination, and Longitudinal Splitting of Advanced Composite StructuresNASA, 1992 - 153 pages |
Contents
SUMMARY | 5 |
LONGITUDINAL SPLITTING | 6 |
MICROCRACKING UNDER STATIC LOADS | 13 |
4 other sections not shown
Common terms and phrases
applied load AS4/Hercules Avimid C₁ calculated Chapter Comp composite failure Composite Laminates composite materials crack growth crack length critical microcrack density Cross-Ply Laminates curved microcracks delamination effect energy release rate epoxy equation existing microcracks experimental observations experimental results failure mode Figure finite element analysis flaws four-point bending fracture mechanics fracture toughness Garrett and Bailey Hashin's ignores fiber bridging increase interface isotropic J/m² layups linear longitudinal splitting master plot mechanical fatigue microcrack density microcrack forms microcrack initiation microcrack interval microcrack spacing microcrack tips microcrack-induced delaminations microcracking analysis microcracking theory micromechanics of damage mixed-mode Nairn one-dimensional analysis one-dimensional stress Paris-law plies ply groups post cured predict failure principle stress reduced crack density sample shear stress shear-lag analysis strength theory stress analysis stress intensity factor sublaminate temperature tensile stress thermal cycling thermal stresses thickness two-dimensional unidirectional composites variational analysis variational mechanics analysis