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Sandwich structures possess a high bending stiffness compared to monolithic structures with a similar weight. This makes them very suitable for lightweight applications where high stiffness to weight ratios are needed. Most common manufacturing methods of sandwich structures involve adhesive bonding of the core material with the sheets. However, adhesive bonding is prone to delamination, a failure mode which is often difficult to detect. In this paper, the results of delamination testing ofdoi:10.21203/rs.3.rs-359061/v1 fatcat:zo4s34h7ifgmlhojuzdsw5uvte