Evaluation of fiber surface treatment and toughening of thermoset matrix on the interfacial behaviour of carbon fiber-reinforced cyanate matrix composites

2005 ◽  
Vol 65 (14) ◽  
pp. 2189-2197 ◽  
Author(s):  
C. Marieta ◽  
E. Schulz ◽  
L. Irusta ◽  
N. Gabilondo ◽  
A. Tercjak ◽  
...  
Keyword(s):  
Carbon Fiber ◽  
Surface Treatment ◽  
Fiber Surface ◽  
Matrix Composites ◽  
Fiber Reinforced ◽  
Interfacial Behaviour ◽  
Carbon Fiber Reinforced ◽  
Fiber Surface Treatment

Research on Optimizing the Electrical and Mechanical Properties of Carbon Fiber Reinforced Cement

2013 ◽  
Vol 539 ◽  
pp. 94-98 ◽  
Author(s):  
Jing Xu ◽  
Wu Yao
Keyword(s):  
Mechanical Properties ◽  
Carbon Fiber ◽  
Surface Treatment ◽  
Fiber Surface ◽  
Fiber Reinforced ◽  
Cement Ratio ◽  
Water To Cement Ratio ◽  
Reinforced Cement ◽  
Carbon Fiber Reinforced ◽  
Fiber Surface Treatment

Using orthogonal experimental design, the influence of water-to-cement ratio, silica fume content, and fiber surface treatment on the electrical and mechanical properties of carbon fiber reinforced cement was studied. Moreover, the surface appearance of fibers with and without surface treatment was investigated by means of scanning electron microscopy. The results show that the effect of water-to-cement ratio on conductivity is the largest among all the three factors. Fiber surface treatment plays an important role in the mechanical properties of CFRC and the optimum way is HNO3 treatment. By adopting the method of efficiency coefficient, the best combination can be determined effectively.

Effect of Fiber Surface Treatment on Interfacial Mechano-Electric Properties of Carbon Fiber Reinforced Concrete

2011 ◽  
Vol 211-212 ◽  
pp. 1087-1090 ◽  
Author(s):  
Cui Xiang Jiang ◽  
Rui Li ◽  
Ji Yun Mo ◽  
Dong Wang Zhong
Keyword(s):  
Reinforced Concrete ◽  
Carbon Fiber ◽  
Surface Treatment ◽  
Bonding Strength ◽  
Fiber Surface ◽  
Electric Properties ◽  
Interfacial Bonding ◽  
Fiber Reinforced Concrete ◽  
Fiber Reinforced ◽  
Fiber Surface Treatment

The effect of carbon fiber surface treatment on interfacial mechano-electric properties of carbon fiber reinforced concrete is studied by single fiber pull-out testing. As-received carbon fiber is with poor surface polarity, and the fiber-matrix interface bonding strength is low. Surface treatment of the carbon fiber improves both the interfacial bonding strength and the interfacial ductility. The interfacial bonding force and interfacial resistance increased linearly with increasing displacement until the fiber-matrix debonding was completed. The superior interfacial mechanical properties can help improve the strain-sensing ability relates to the better repeatability and reliability. But the sensitivity decreases to some extent.

Graphene oxide modified carbon fiber reinforced epoxy composites

2020 ◽  
Vol 40 (5) ◽  
pp. 415-420 ◽  
Author(s):  
Yasin Altin ◽  
Hazal Yilmaz ◽  
Omer Faruk Unsal ◽  
Ayse Celik Bedeloglu
Keyword(s):  
Graphene Oxide ◽  
Carbon Fiber ◽  
Carbon Fibers ◽  
Spray Coating ◽  
Sem Analysis ◽  
Epoxy Composites ◽  
Matrix Composites ◽  
Fiber Reinforced ◽  
Quick Method ◽  
Carbon Fiber Reinforced

AbstractThe interfacial interaction between the fiber and matrix is the most important factor which influences the performance of the carbon fiber-epoxy composites. In this study, the graphitic surface of the carbon fibers was modified with graphene oxide nanomaterials by using a spray coating technique which is an easy, cheap, and quick method. The carbon fiber-reinforced epoxy matrix composites were prepared by hand layup technique using neat carbon fibers and 0.5, 1 and 2% by weight graphene oxide (GO) modified carbon fibers. As a result of SEM analysis, it was observed that GO particles were homogeneously coated on the surface of the carbon fibers. Furthermore, Young's modulus increased from 35.14 to 43.40 GPa, tensile strength increased from 436 to 672 MPa, and the elongation at break was maintained around 2% even in only 2% GO addition.

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