Crack arrest in finger jointed thermoplastic interleaved CFRC

Autor: Anthony, DB, Bacarreza Nogales, OR, Shaffer, MSP, Bismarck, A, Robinson, P, Pimenta, S
Přispěvatelé: Engineering & Physical Science Research Council (E
Rok vydání: 2017
Předmět:
Zdroj: 21st International Conference on Composite Materials
Popis: Pre-cut unidirectional carbon fibre prepreg (M21/194/34%/T800S) composites were tested in tension with a 20 mm overlapped finger joint architectures. In between the overlapping finger jointed region the effect of introducing polyethersulfone (PES) interleaves is investigated. Samples with the addition of a thick PES interleave arrested the initial crack which formed at the pre-cut site. The strain-to-failure of the thick PES interleaved samples was over 3.2%, an increase of 85% compared to the baseline samples, and catastrophic failure was delayed in the majority of instances.
Databáze: OpenAIRE