Abstract
The solution for the stress state present in the vicinity of transverse matrix cracks within a composite laminate is typically obtained by assuming a regular crack spacing geometry for the problem and applying a shear-lag analysis. In order to explore the validity of this underlying assumption, the probability density function for the location of the next transverse matrix crack within a crack bounded region is examined. The regular crack spacing assumption is shown to be reasonable from an engineering point of view. Continuing with this assumption, a generalized shear-lag model for multi-layer, off-axis laminates subjected to full in-plane loads is developed. This model is used to quantitatively evaluate the effective elastic properties of the damaged material. The results are applicable to materials such as ceramic matrix or polymer matrix unidirectional fiber systems where damage in the form of transverse matrix cracks arises.
| Original language | English |
|---|---|
| Pages (from-to) | 8 |
| Number of pages | 8 |
| Journal | American Society of Mechanical Engineers (Paper) |
| State | Published - 1996 |
| Event | Proceedings of the 1996 International Gas Turbine and Aeroengine Congress & Exhibition - Burmingham, UK Duration: Jun 10 1996 → Jun 13 1996 |
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