Three techniques of interfacial bond strength estimation from direct observation of crack initiation and propagation in polymer–fibre systems

Pisanova, E. V.; Zhandarov, Serge; Mäder, Edith; Ahmad, Ishak; Young, Robert J.

doi:10.1016/s1359-835x(00)00054-3

Cited by 86 publications

(60 citation statements)

References 25 publications

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“…The mean IFSS between untreated jute fiber and PP is 3.49 MPa, which is much lower than the IFSS between synthetic fiber and thermosets [24]. The IFSS depends mainly on two factors: mechanical interlocking and chemical bonding.…”

Section: Mechanical and Micromechanical Properties Of The Compositesmentioning

confidence: 81%

Surface modification and micromechanical properties of jute fiber mat reinforced polypropylene composites

Liu¹,

Dai²

2007

Express Polym. Lett.

170

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Abstract.A new treating method using sodium hydroxide (NaOH) and Maleic anhydride-grafted polypropylene (MPP) emulsion was introduced to treat jute fiber mat in order to enhance the performance of jute/polypropylene (PP) composite prepared by film stacking method. The surface modifications of jute fiber mat have been found to be very effective in improving the fiber-matrix adhesion. It was shown that treatments changed not only the surface topography but also the distribution of diameter and strength for the jute fibers, which was analyzed by using a two-parameter Weibull distribution model. Consequently, the interfacial shear strength, flexural and tensile strength of the composites all increased, but the impact strength decreased slightly. These results have demonstrated a new approach to use natural materials to enhance the mechanical performances of composites.

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Section: Mechanical and Micromechanical Properties Of The Compositesmentioning

confidence: 81%

Surface modification and micromechanical properties of jute fiber mat reinforced polypropylene composites

Liu¹,

Dai²

2007

Express Polym. Lett.

170

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“…The temperature was automatically controlled and monitored through a digital temperature programmer. Five tests were performed at room temperature (RT), 60, 90, and 120 ∘ C. The required force to pull out the fiber of cured epoxy resin is measured for each specimen and the interfacial shear strength IFSS was estimated by [19,20] …”

Section: Microbond Testingmentioning

confidence: 99%

Experimental and Numerical Study of the Interfacial Shear Strength in Carbon Fiber/Epoxy Resin Composite under Thermal Loads

Wang

Zhang

Duan

et al. 2018

International Journal of Polymer Science

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This study examined the influence mechanism of temperature on the interfacial shear strength (IFSS) between carbon fiber (CF) and epoxy resin (EP) matrices under various thermal loads using experimental and numerical simulation methods. To evaluate the change in IFSS as a function of the increase in temperature, a microbond test was performed under controlled temperature environment from 23 ∘ C to 150 ∘ C. The experimental results showed that IFSS values of CF/EP reduce significantly when the temperature reaches near glass transition temperature. To interpret the effect of thermal loads on IFSS, a thermal-mechanical coupling finite element model was used to simulate the process of fiber pull-out from EP. The results revealed that temperature dependence of IFSS is linked to modulus of the matrix as well as to the coefficients of thermal expansion of the fiber and matrix.

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“…The results for sets (1) and (4) were compared to observe the effect of the maximum shear stress S. Fig.9 shows a comparison of the tangential-direction stress-strain curve of the CZEs at specified distances from the fiber break point.…”

Section: Effect Of the Maximum Stress Tangential To The Fibersmentioning

confidence: 99%

“…The effect of the interfacial properties on both the microscale and macroscale composite behavior and their relationships has been studied by various researchers. Pisanova et al [1] determined the relationships between the micromechanical interfacial shear strength and macroscopic performance of composites by performing transverse tensile and compression shear tests on glass fiber reinforced plastics. The degree of fiber matrix adhesion has been measured using micromechanical experimental methods including single-fiber pull out, fiber push out, fiber fragmentation and microdroplet tests [2].…”

Section: Introductionmentioning

confidence: 99%

Mechanical behavior of fiber/matrix interfaces in CFRP sheets subjected to plastic deformation

Kamiya

Oya

2016

MATEC Web Conf.

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Abstract. The use of Carbon Fiber Reinforced Plastic (CFRP) is increasing markedly, partially in the aviation industry, but it has been considered that CFRP sheets cannot be formed by press-forming techniques owing to the low ductility of CFRP. Since the mechanical characteristics of CFRP are dominated by the microscale structure, it is possible to improve its formability by optimizing the material structure. Therefore, to improve the formability, the interaction between the carbon fibers and the matrix must be clarified. In this study, microscale analyses were conducted by a finite-element model with cohesive zone elements.

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Three techniques of interfacial bond strength estimation from direct observation of crack initiation and propagation in polymer–fibre systems

Cited by 86 publications

References 25 publications

Surface modification and micromechanical properties of jute fiber mat reinforced polypropylene composites

Surface modification and micromechanical properties of jute fiber mat reinforced polypropylene composites

Experimental and Numerical Study of the Interfacial Shear Strength in Carbon Fiber/Epoxy Resin Composite under Thermal Loads

Mechanical behavior of fiber/matrix interfaces in CFRP sheets subjected to plastic deformation

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