2020
DOI: 10.1002/adem.202000822
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Achieving Pseudo‐Ductile Behavior of Carbon Fiber Reinforced Polymer Composites via Interfacial Engineering

Abstract: This article presents an investigation of the properties of interfacial engineered carbon fiber (CF) reinforced polymer (CFRP) composites. Poly(ϵ-caprolactone) (PCL) is used as an interface engineering/interlayer material to modify the interfacial shear strength (IFSS) between the phases, with which it is aimed to increase the pseudo-ductility of CFRPs. A stable crack propagation behavior can be achieved through interfacial engineering due to the locally weakened connection between the resin and the fiber rein… Show more

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Cited by 9 publications
(3 citation statements)
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“…At equal BN loadings of 10 and 20 vol%, layered composites show lower Young's modulus and ultimate tensile strength than uniformly structured fiber (U‐type fibers, Figure 4b), consistent with the rule of mixture calculations. [ 72,73 ] The relationship between layer numbers and mechanical properties was further investigated; the 32L10% fiber peaks the performances in both modulus and strength by 68% and 5% increases compared to the 4L10% fiber, respectively (Figure 4c). Also, a finite element modeling (FEM) simulation was conducted on a composite consisting of alternating layers with different stiffnesses, fixed bottom layers, and uniformly distributed force on the top surface (insets in Figure 4d).…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…At equal BN loadings of 10 and 20 vol%, layered composites show lower Young's modulus and ultimate tensile strength than uniformly structured fiber (U‐type fibers, Figure 4b), consistent with the rule of mixture calculations. [ 72,73 ] The relationship between layer numbers and mechanical properties was further investigated; the 32L10% fiber peaks the performances in both modulus and strength by 68% and 5% increases compared to the 4L10% fiber, respectively (Figure 4c). Also, a finite element modeling (FEM) simulation was conducted on a composite consisting of alternating layers with different stiffnesses, fixed bottom layers, and uniformly distributed force on the top surface (insets in Figure 4d).…”
Section: Resultsmentioning
confidence: 99%
“…This enhanced fracture resistance is likely due to the different mechanical properties between the layers, resembling the previously reported interlayer technique in laminates for toughness improvement. [ 73 ] Tables S2–S5 (Supporting Information) show the mechanical properties and energy absorptions for the 4L10%, 32L10%, 64L10%, and 128L10% fibers. Interestingly, as layer number increases, the percentage of fibers under tensile test showing stepwise fracture characteristic decreases, 100% for 4L10%, 60% for 32L10%, 20% for 64L10%, and 0% for 128L10% (Figure S14d, Supporting Information).…”
Section: Resultsmentioning
confidence: 99%
“…The stability of the interface connection plays a decisive role in the performance of the composite material [23]. The interface microstructure should be studied and the debonding phenomenon should be avoided.…”
Section: Observing Interface Microstructure Of Microvasculars In Asphalt Samplementioning
confidence: 99%