Ply fragmentation in unidirectional hybrid composites linked to stochastic fibre behaviour: A dual-scale model

Hybrid Effect in In-Plane Loading of Carbon/Glass Fibre Based Inter- and Intraply Hybrid Composites

“…In terms of computational models, there are several newly developed notable models for hybrids that consider either micro-level events of fibre failure, as reported by Tavares et al [14] and Guerrero et al [15], or meso-level ply level failures, as reported by Jalalvand et al [16]. Few models consider failure at both the levels, such as the one reported by Mesquita et al [17]. Mesquita et al [17] and Bunsell et al [18] reported that the hybrid synergies found in hybrid composites are typically a result from complex interactions of micro-level and meso-level failures.…”

“…Few models consider failure at both the levels, such as the one reported by Mesquita et al [17]. Mesquita et al [17] and Bunsell et al [18] reported that the hybrid synergies found in hybrid composites are typically a result from complex interactions of micro-level and meso-level failures.…”

Blind benchmarking of seven longitudinal tensile failure models for two virtual unidirectional composites

“…The plateau observed in the cluster height and standard deviation (see Figure 8) is likely to be an artefact of the fixed-distance criteria used. A criterion that is not based on a fixed distance would have been better, such as the one based on a certain percentage of stress concentration proposed by Mesquita et al [42] or based on recovery lengths as the one intrinsically built in HSL. However, such criteria are more difficult to apply in a consistent manner in different models.…”

Fatigue of hybrid fibre-reinforced plastics

“…It should, however, be noted that a negative hybrid effect can also arise. In terms of the second definition, the main focus has been on pseudo-ductility, where the brittle composites are combined to yield a pseudo-ductile response [3][4][5]. Pseudo-ductility is often studied in tension [3][4][5], but has also been reported in other loading modes such as compression and flexure [6,7].…”

“…In terms of the second definition, the main focus has been on pseudo-ductility, where the brittle composites are combined to yield a pseudo-ductile response [3][4][5]. Pseudo-ductility is often studied in tension [3][4][5], but has also been reported in other loading modes such as compression and flexure [6,7]. It is often coupled to ply fragmentation, enabling the brittle ply to fracture multiple times and therefore gradually transfer its load onto the remaining ductile plies.…”