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090 _aB-19777
245 1 0 _aDetermination of interfacial properties of cellulose nanocrystal-modified sisal fibre in epoxy by cyclic single-fibre pull-out
490 0 _vComposites Science and Technology, 193, p.108142, 2020
520 3 _aTo examine the effects of surface modification on the interfacial properties, the surface of sisal fibres was modified by rod-like cellulose nanocrystals (CNCs)with length-to-diameter ratios ranging from 20 to 33, which were prepared using an electrophoretic deposition method. An effective method was proposed for measuring the interfacial properties of sisal fibre/matrix, including interfacial fatigue strength and toughness, via cyclic single-fibre pull-out with the aid of dynamic mechanical analyser (DMA). It was found that the interfacial fatigue shear strength of the CNC-modified sisal fibre/epoxy specimens was 6.6 MPa, 1.2 times greater than that of specimens without treatment. Moreover, the interfacial toughness 9.34 J/m2 of the CNC-treated sisal fibre/epoxy specimens increased by 51 percent compared to that of the untreated specimens. It was indicated that pull-out of the CNCs with a large aspect ratio was the main toughening mechanism for CNC-modified sisal fibre/epoxy interface.
650 1 4 _aINTERFACIAL FATIGUE STRENGTH
650 1 4 _aTOUGHENING MECHANISM
650 1 4 _aSISAL FIBRE
650 1 4 _aCELLULOSE NANOCRYSTAL
650 1 4 _aCYCLIC FIBRE PULL-OUT
700 1 2 _aZhang, Z.
700 1 2 _aLi, Y.
700 1 2 _aFu, K.
700 1 2 _aLi, Q.
856 4 0 _uhttps://drive.google.com/file/d/1ajPUdsz_eqJD1kwHDJXtznz-AnZrN8Q2/view?usp=drivesdk
_zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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