Crack Paths 2009

delays the crack nucleation with respect to the square edge configuration. as already

mentioned above. This is confirmed by the overall analysis of‘ the erack/delamination

evolution measured on several joints.

t‘racl: milintlon

Figure 5. Definition ol'the "technical" crack For the conventional assessment of the

crack initiation. at the Four corners ol'thejoint overlap

- 0.5 m m

Figure 6. Edge views ol’crack onset in the case of fillet corner geometry

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Figure 7. Influence of corner geometry on crack onset and growth.

973