2021
DOI: 10.3390/polym13234103
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Experimental Study on the Interlaminar Fracture Properties of Carbon Fibre Reinforced Polymer Composites with a Single Embedded Toughened Film

Abstract: In this study, two types of single polymer films have been inserted in a composite laminate to examine their toughening effects on mechanical properties. The first is a thermoplastic polyurethane (PU) film, and the second is an adhesive epoxy film featuring a polyester net. The laminates were manufactured either using a co-curing (CC) process or a secondary bonding (SB) process used for the epoxy film. Mode I and mode II interlaminar fracture toughness were measured for laminates manufactured by both processes… Show more

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Cited by 12 publications
(5 citation statements)
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“…Some factors which likely contributed to this scatter include variations in specimen dimensions as well as variations in the large number of variables involved in calculating G1C values. The fracture toughness for both cases is significantly higher than most thermoset composites and competes well with PEEK composites [34][35][36]. Surface roughness measurements showed that there was much greater distortion in the cracked region of the 886 material compared to that of the 871.…”
Section: Overall Discussionmentioning
confidence: 94%
“…Some factors which likely contributed to this scatter include variations in specimen dimensions as well as variations in the large number of variables involved in calculating G1C values. The fracture toughness for both cases is significantly higher than most thermoset composites and competes well with PEEK composites [34][35][36]. Surface roughness measurements showed that there was much greater distortion in the cracked region of the 886 material compared to that of the 871.…”
Section: Overall Discussionmentioning
confidence: 94%
“…The geometry creation pre-processing scripts and the multiscale CDM subroutine are available on GitHub 1 . The quasi-static material properties of the prepreg fiber tows, shown in Table 1, were obtained experimentally according to the relevant standards, with the exception of the fracture toughnesses, which were taken from the literature [38,39]. Specimens were discretized using 8 node reduced integration linear solid C3D8R elements.…”
Section: Fea Implementationmentioning
confidence: 99%
“…percent ATH. Fiber pull-out is shown in the circular region, whereas fiber fracture is shown in the boxed region [20]. The interaction holes surrounding pull-out fibers augmented as the organic resin concentration rose, implying worse adhesion qualities between the fiber and the bio-based matrix.…”
Section: Impact Strength and Itsmentioning
confidence: 99%