Electrical and Mechanical Performance of Carbon  Fiber-Reinforced Polymer Used as the Impressed  Current Anode Material

Zhu, Ji-Hua; Zhu, Miaochang; Han, Ningxu; Liu, Wei; Xing, Feng

doi:10.3390/ma7085438

Cited by 40 publications

(21 citation statements)

References 20 publications

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“…It was determined that an increasing applied current density leads to a decreasing tensile strength and elastic modulus in saturated Ca(OH)2 solution and in mix solution. [8] Similar experiments were conducted by Sun et. al.. [9] Uniaxial tensile tests on CFRP after polarization in simulated impressed current cathodic protection system with 3 % NaCl solution were carried out.…”

Section: State Of the Artsupporting

confidence: 66%

“…Mechanical performance of carbon fiber-reinforced polymer plates in simulated ICCP systems was investigated by Zhu et. al.. [8] The influence of different storage solutions and current densities on the mechanical properties of carbon fiber reinforced plates (CFRP) was tested. The examined CFRP plates were composed of multi-layer carbon fibers bounded by laminating epoxy.…”

Section: State Of the Artmentioning

confidence: 99%

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Tensile strength of carbon rovings impregnated with different materials under anodic polarization

Asgharzadeh

Raupach

2018

MATEC Web Conf.

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Carbon textiles are used more and more as reinforcement in concrete structures. Due to their high durability the concrete covers can be extremely thin compared to traditional steel reinforced concrete, resulting in the possibility to build very thin elements with excellent performance. To improve the properties of the carbon textiles, the rovings are normally impregnated with different types of polymers. Additionally to the use as reinforcement, carbon textiles can also be used as anodes for cathodic protection. However, while first tests have shown, that impregnated carbon rovings are suitable to be used as CP-anodes, it is still not clear under which conditions the new types of anodes are stable or when they start to dissolve. This paper describes investigations on the influence of an anodic polarisation on the tensile strength of different types of impregnated carbon rovings.

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Section: State Of the Artsupporting

confidence: 66%

Section: State Of the Artmentioning

confidence: 99%

Tensile strength of carbon rovings impregnated with different materials under anodic polarization

Asgharzadeh

Raupach

2018

MATEC Web Conf.

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“…Concrete and cementitious materials are vulnerable to tension developing in individual components and structures. Reinforcing materials such as steel fibers [ 1 , 2 , 3 , 4 , 5 , 6 ] are commonly used in concrete structures to control cracks [ 7 , 8 , 9 , 10 , 11 , 12 ]. The application of steel fiber reinforced shotcrete (SFRS) in tunneling construction has been part of tunneling practice since the 1970s, especially in Europe and the United States [ 13 , 14 , 15 , 16 ].…”

Section: Introductionmentioning

confidence: 99%

Polyamide Fiber Reinforced Shotcrete for Tunnel Application

Jeon

Kim

et al. 2016

Materials

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This study intends to establish the mechanical properties of polyamide fiber reinforced shotcrete (PAFRS) in terms of compressive and flexural strengths, in accordance with ASTM C1609/C1609M-12. The mechanical properties identified the influence of polyamide fiber content on the PAFRS strength. This study evaluated the toughness of PAFRS and proposed additional toughness level criteria to better represent organic fiber performance. In addition, the fiber rebounding rate and PAFRS performance in tunneling application were evaluated based on a tunnel application in Korea. PAFRS with 0.6%~0.8% volume content in tunneling shotcrete could significantly improve flexural ductility, toughness, and ultimate load capacity. Fiber rebounding tests exhibited a low rebounding rate (8.5%) and low fiber drop (63.5%). Therefore, PAFRS applied to a tunnel exhibited stability and constructability.

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“…In the previous study [ 19 , 20 ], Zhu et al investigated CFRP’s mechanical and electrochemical performance during accelerated polarization in NaCl and NaOH solution environment. It was shown that CFRP can be successfully used as the anode in an ICCP system without significant degradation of mechanical properties in NaCl and NaOH solution environment [ 21 ]. Following these studies, this work presents a systematic investigation, including the electrochemical behavior, mechanical strength, and failure modes of CFRP during anodic polarization in a simulated pore solution environment.…”

Section: Introductionmentioning

confidence: 99%

Dual Function Behavior of Carbon Fiber-Reinforced Polymer in Simulated Pore Solution

et al. 2016

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The mechanical and electrochemical performance of carbon fiber-reinforced polymer (CFRP) were investigated regarding a novel improvement in the load-carrying capacity and durability of reinforced concrete structures by adopting CFRP as both a structural strengthener and an anode of the impressed current cathodic protection (ICCP) system. The mechanical and anode performance of CFRP were investigated in an aqueous pore solution in which the electrolytes were available to the anode in a cured concrete structure. Accelerated polarization tests were designed with different test durations and various levels of applied currents in accordance with the international standard. The CFRP specimens were mechanically characterized after polarization. The measured feeding voltage and potential during the test period indicates CFRP have stable anode performance in a simulated pore solution. Two failure modes were observed through tensile testing. The tensile properties of the post-polarization CFRP specimens declined with an increased charge density. The CFRP demonstrated success as a structural strengthener and ICCP anode. We propose a mathematic model predicting the tensile strengths of CFRP with varied impressed charge densities.

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Electrical and Mechanical Performance of Carbon Fiber-Reinforced Polymer Used as the Impressed Current Anode Material

Cited by 40 publications

References 20 publications

Tensile strength of carbon rovings impregnated with different materials under anodic polarization

Tensile strength of carbon rovings impregnated with different materials under anodic polarization

Polyamide Fiber Reinforced Shotcrete for Tunnel Application

Dual Function Behavior of Carbon Fiber-Reinforced Polymer in Simulated Pore Solution

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