Evaluation of carbon fiber-embedded 3D printed structures for strengthening and structural-health monitoring

Yao, Xinhua; Luan, Congcong; Zhang, Deming; Lan, Liujian; Fu, Jianzhong

doi:10.1016/j.matdes.2016.10.078

Cited by 173 publications

(85 citation statements)

References 24 publications

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“…More recently, studies on embedding continuous fiber in the plastic materials are realized mainly using fused deposition modeling (FDM) for different applications [20][21][22][23][24][25][26][27]. Yao et al…”

Section: Aircraft Technologymentioning

confidence: 99%

“…Sample products produced from CarbonMide® material [18,19]. as a demonstration part [20]. Dickson et al have utilized a Mark One 3D printer in order to reinforce glass, carbon, and Kevlar fibers into nylon material (see Figure 9).…”

Section: Aircraft Technologymentioning

confidence: 99%

“…Schematic description of the process (left) and produced specimens with different types of reinforcement fibers (right) [21]. [20].…”

Section: Aircraft Technologymentioning

confidence: 99%

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Additive Manufacturing of Polymer Matrix Composites

Yasa¹,

Ersoy²

2018

Aircraft Technology

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Due to the developments and the interest of leading aerospace companies, additive manufacturing (AM) has become a highly discussed topic in the last decades. This is mainly due to its capability of producing parts with high geometrical complexity, short manufacturing lead times, and suitability for customization as well as for low-volume production. As is the case with aircraft fuselage body where weight reduction while keeping the demanding mechanical properties is of uttermost importance, modern technology applications sometimes need materials with unusual combinations of properties that cannot be solely provided by metals, polymers, or ceramics. In this case, composite materials combining two or more materials allow having the preferred properties in one material. Thus, AM of composites is becoming more and more important for critical applications. Fiber reinforcement can significantly enhance the properties of resins/polymeric matrix materials. Although continuous fiber composites even present higher mechanical performance, the manufacturing methods for chopped fibers are more commercially available. This chapter reviews the studies in the field involving many aspects spanning from design, process technology, and applications to available equipment.

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Section: Aircraft Technologymentioning

confidence: 99%

Section: Aircraft Technologymentioning

confidence: 99%

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Additive Manufacturing of Polymer Matrix Composites

Yasa¹,

Ersoy²

2018

Aircraft Technology

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“…For the electrodes, CFs (7 μm diameter, TORAYCA ® , Toray Industries, Inc., Japan) were selected as base materials. These CFs have good electrical and mechanical properties with long shape, which is appropriate for the cable-shaped supercapacitor [20]. For the increment of specific surface area and electric properties of the electrodes, GFs were deposited on the surface of fiber bundle by dip-coating into graphene dispersion (7 nm average thickness, Graphene Supermarket, U.S.A.) diluted with n-butyl acetate (Supelco Inc., U.S.A.).…”

Section: Design and Fabricationmentioning

confidence: 99%

A flexible cable-shaped supercapacitor based on carbon fibers coated with graphene flakes for wearable electronic applications

Kim

Yin

Xuan

et al. 2019

Micro and Nano Syst Lett

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This work presents a flexible cable-shaped supercapacitor based on carbon fibers (CFs) coated with graphene flakes (GFs) for wearable electronic applications. The CF bundles were adopted as base materials and the GFs were coated on the surface of CFs using a simple dipping method for the enhancement of the specific surface area and the higher conductivity of flexible electrodes. H 2 SO 4 was mixed with poly(vinyl alcohol) (PVA) to form a gel electrolyte, which can prevent leakage. Polydimethylsiloxane (PDMS) was selected as a packaging material to fabricate the proposed flexible supercapacitor due to its flexibility and good thermal and chemical stability. From the electrochemical analysis, the fabricated device exhibited 15.099-6.492 mF/cm 2 of specific capacitance and 2.097-0.902 µWh/cm 2 of energy density in the range of 50-300 mV/s of scan rate. These values were about 1.9 times larger than the supercapacitor without being coated with the GFs. In addition, the specific capacitance showed small difference of 3.4% between straight and twisted positions, which assures the mechanical stability of the flexible cable-shaped supercapacitor. which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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“…Since that time idea of self-sensing carbon fibers is developed and still improved. Today, the development of two independent technologies using conductivity of carbon-based materials for strain measurement can be observed: printed gauges based on graphite carbon nanotubes [3,4] and based on continuous carbon fiber [5][6][7][8][9][10][11][12][13][14]. It should be emphasized that only this second technology allows the use of an essential feature of carbon fibers, which is their high strength.…”

Section: Introductionmentioning

confidence: 99%

Development of Self-Sensing Textile Strengthening System Based on High Strength Carbon Fiber

Górski

Krzywoń

Borodeńko

2018

Preprint

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Monitoring of structures is one of the engineering challenges of the 21st century. At the same time, as a result of changes in the conditions of use, design errors, many building structures require strengthening. The article presents research on the development of the external strengthening carbon fiber textile with an option of self-sensing. The idea is based on the pattern of resistive strain gauge, where thread is provided in a zig-zag of parallel lines. Already the first laboratory tests showed the high efficiency of the system in the measurement of strains, but also revealed the sensitivity of measurement to environmental conditions. The article presents studies on the influence of temperature and humidity on the measurement. To separate those effects, resistance changes were tested on unloaded concrete and wooden samples. The models were placed in a climatic chamber and the daily cycle of temperature and humidity changes was simulated. The results of the research confirm preliminary observations. Resistivity growths with the temperature. This effect is more visible on concrete samples, presumably due to its greater natural humidity. The strain measurement with carbon fibers is very sensitive to temperature changes and application of this method in practice requires compensation.

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Evaluation of carbon fiber-embedded 3D printed structures for strengthening and structural-health monitoring

Cited by 173 publications

References 24 publications

Additive Manufacturing of Polymer Matrix Composites

Additive Manufacturing of Polymer Matrix Composites

A flexible cable-shaped supercapacitor based on carbon fibers coated with graphene flakes for wearable electronic applications

Development of Self-Sensing Textile Strengthening System Based on High Strength Carbon Fiber

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