Abstract
Face/core interface crack propagation in sandwich specimens is analyzed. A thorough analysis of the typical failure modes in sandwich composites was performed in order to design the MMB specimen to promote face/core debond fracture. Displacement, compliance and energy release rate expressions for the MMB specimen were derived from a superposition analysis. An experimental verification of the methodology proposed was performed using MMB sandwich specimens with H100 PVC foam core and E-glass/polyester non-crimp quadro-axial [0/45/90/-45]s DBLT-850 faces. Different mixed mode loadings were applied using the MMB test rig and debond propagation as failure mode was successfully achieved.
| Original language | English |
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| Title of host publication | Proceedings of the 8th INTERNATIONAL CONFERENCE ON SANDWICH STRUCTURES |
| Place of Publication | Porto, Portugal |
| Publisher | Publindústria, Produção de Comunicação, Lda. |
| Publication date | 2008 |
| Pages | 186-198 |
| Publication status | Published - 2008 |
| Event | 8th International Conference on Sandwich Structures - Porto, Portugal Duration: 6 May 2008 → 8 May 2008 Conference number: 8 http://paginas.fe.up.pt/~icss8/welcome.html |
Conference
| Conference | 8th International Conference on Sandwich Structures |
|---|---|
| Number | 8 |
| Country | Portugal |
| City | Porto |
| Period | 06/05/2008 → 08/05/2008 |
| Internet address |