Influence of Fiber-Matrix Adhesion on Mechanical Properties of Graphite/Epoxy Composites: I. Tensile, Flexure, and Fatigue Properties

1999 ◽  
Vol 18 (11) ◽  
pp. 1021-1040 ◽  
Author(s):  
Shiqiang Deng ◽  
Lin Ye
Keyword(s):  
Mechanical Properties ◽  
Epoxy Composites ◽  
Fatigue Properties ◽  
Matrix Adhesion ◽  
Fiber Matrix

Factorial design approach to assess the effect of fiber–matrix adhesion on the IFSS and work of adhesion of carbon fiber/polysulfone-modified epoxy composites

2019 ◽  
Vol 29 (4) ◽  
pp. 345-358 ◽  
Author(s):  
Javier I. Cauich-Cupul ◽  
Pedro J. Herrera-Franco ◽  
Edgar García-Hernández ◽  
Veronica Moreno-Chulim ◽  
Alex Valadez-González
Keyword(s):  
Carbon Fiber ◽  
Factorial Design ◽  
Design Approach ◽  
Epoxy Composites ◽  
Work Of Adhesion ◽  
Matrix Adhesion ◽  
Fiber Matrix ◽  
Modified Epoxy

scholarly journals Using Factorial Design Methodology to Assess PLA-g-Ma and Henequen Microfibrillated Cellulose Content on the Mechanical Properties of Poly(lactic acid) Composites

2017 ◽  
Vol 2017 ◽  
pp. 1-14 ◽  
Author(s):  
M. Dzul-Cervantes ◽  
P. J. Herrera-Franco ◽  
T. Tábi ◽  
A. Valadez-Gonzalez
Keyword(s):  
Mechanical Properties ◽  
Impact Strength ◽  
Factorial Design ◽  
Coupling Agent ◽  
Cellulose Fibers ◽  
Microfibrillated Cellulose ◽  
Cellulose Content ◽  
Matrix Adhesion ◽  
Pull Out ◽  
Fiber Matrix

In this work, a 22 factorial design was used to study the effect of microfibrillated henequen cellulose fibers (HENCEL) and PLA-g-MA coupling agent contents on the tensile, flexural, and impact mechanical properties and the heat deflection temperature (HDT) of biodegradable PLA composites. The results show that the principal effects of HENCEL and MA are statistically significant for the tensile, flexural, HDT, and impact strength properties of PLA composites. Regarding the interactions between the principle effects, MA-HENCEL, there are differences with respect to the mechanical property; for example, for tensile and flexural mechanical properties, there is a synergistic effect between MA and HENCEL, whereas for HDT and impact strength there is not any. The micromechanical analysis shows an excellent agreement between the measured and the estimated values for both the composite tensile strength and the elastic modulus and only slight deviations were noticed for high microfibrillated cellulose fibers content. The morphological analysis via SEM indicated that the addition of PLA-g-MA improved the fiber-matrix adhesion because of the HENCEL unbounding and pull-out decreases from the PLA matrix. The use of appropriate values of matrix strength and stiffness and considering the improved fiber-matrix adhesion of the coupling agent yield a good agreement between experimental and estimated values.

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