A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Causes of delaminations during manufacturing and service are presented. The relation between inspection methods and the delamination size to be used in design is discussed. Examples showing how buckling of a delaminated layer can be used to determine the critical delamination size are given including an energy minimization method to obtain buckling of an elliptical delaminating layer under combined in‐plane loads. The energy release rate approach to determine onset of edge delamination is discussed and its predictions are compared to a strength of materials approach where the full three‐dimensional state of stress at the laminate edge is computed. The virtual crack closure technique to calculate the energy release rate is applied to simple configurations such as the double cantilever beam and end notch flexure tests.
Causes of delaminations during manufacturing and service are presented. The relation between inspection methods and the delamination size to be used in design is discussed. Examples showing how buckling of a delaminated layer can be used to determine the critical delamination size are given including an energy minimization method to obtain buckling of an elliptical delaminating layer under combined in‐plane loads. The energy release rate approach to determine onset of edge delamination is discussed and its predictions are compared to a strength of materials approach where the full three‐dimensional state of stress at the laminate edge is computed. The virtual crack closure technique to calculate the energy release rate is applied to simple configurations such as the double cantilever beam and end notch flexure tests.
Delaminations
Kassapoglou, Christos (author)
2015-03-16
48 pages
Article/Chapter (Book)
Electronic Resource
English
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