Flexural fatigue behavior and residual strength evolution of SiCnws-C/C composites

Wang, Le; Fu, Qiangang; Zhou, Huashan; Li, Ni

doi:10.1016/j.ceramint.2018.09.004

Cited by 7 publications

(5 citation statements)

References 28 publications

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“…Sol-Gel Method: For carbon fiber felts, sol-gel method is a facial way to prepare the silicon source for the growth of SiCNWs (Figure 4h). [53,[83][84][85] The SiO 2 gel was first prepared and the carbon fiber felts were immersed into solution. After the impregnation and solidification, the carbon fiber felts containing silica xerogel were obtained.…”

Section: Chemical Growth Methodsmentioning

confidence: 99%

“…Thus, the property and structure evolution under dynamic load of SiCNWs-C/C composites were also investigated. Wang et al [84] examined the flexural behavior of SiCNWs reinforced C/C (SiCNWs-C/C) composites after undergoing a stress level of 65% to evaluate the influence of fatigue cycles. Compared with the static flexural strength of 103 MPa, the residual flexural strength of SiCNWs-C/C composites after fatigue loading for 10 5 , 5 × 10 5 , and 10 × 10 5 cycles increases by 4.87%, 13.73%, and 62.45%, respectively, which are much higher than those of C/C composites (Figure 16a).…”

Section: Mechanical Properties Of Sicnws Reinforced C/c Compositesmentioning

confidence: 99%

Section: Functional Performance Of Sicnws-c/c Compositesmentioning

confidence: 99%

“…Figure 16. a) Residual flexural strength of SiCNWs-C/C and C/C composites before and after 10 5 , 5 × 10 5 , and 10 × 10 5 cycles under stress level of 65%.Reproduced with permission [84]. Copyright 2018, Elsevier.…”

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confidence: 99%

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Recent Progress in 1D Nanostructures Reinforced Carbon/Carbon Composites

Yin

Han

Liu

et al. 2022

Adv Funct Materials

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Carbon fiber reinforced carbon matrix (carbon/carbon, C/C) composites have become the promising candidates for high‐temperature thermal structure materials in aerospace fields, owning to a series of excellent structural merits. However, for aculeate or thin‐walled C/C composites, due to the fact that continuous carbon fibers are cut off during the machining process and the amount of residual carbon fibers is limited, carbon matrix cannot be effectively strengthened just by using carbon fibers, resulting in a sharp decline in mechanical performance. Furthermore, the rapid development of aerospace vehicles requires that C/C composites not only have excellent mechanical properties but also possess multifunctional properties. To effectively solve these problems and meet the increasing demands, various 1D nanostructures as nanoreinforcements have been introduced into C/C composites, achieving the great improvement in mechanical and functional properties. In this review, the state‐of‐the‐art research activities regarding different 1D nanoreinforcements applied in C/C composites are systematically summarized. Finally, this review is concluded and the future research prospects are proposed. This review provides the “1D nanoreinforcements” strategy to further improve the properties of C/C composites, which could be widely used for reference by researchers in the fields of different fiber/matrix composites.

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Section: Chemical Growth Methodsmentioning

confidence: 99%

Section: Mechanical Properties Of Sicnws Reinforced C/c Compositesmentioning

confidence: 99%

Section: Functional Performance Of Sicnws-c/c Compositesmentioning

confidence: 99%

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confidence: 99%

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Recent Progress in 1D Nanostructures Reinforced Carbon/Carbon Composites

Yin

Han

Liu

et al. 2022

Adv Funct Materials

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“…Currently, a SiC nanofiber coating is proposed to conduct the thermal protection part of the C/C composite. The representative bridging and deflection feature of 1D SiC consumes a large amount of energy, so that the structure integrality can be effectively maintained, whereas a typical SiC nanofiber is not able to be used for mass production because of the carbothermal reduction with energy consumption, an inefficient process, and a catalyst that pollutes the environment . Moreover, as a reinforcing phase, graphite fibers with excellent mechanical property and high electrical conductivity are of great importance for functional applications.…”

Section: Introductionmentioning

confidence: 99%

SiC Nanofiber-Coated Carbon/Carbon Composite for Electromagnetic Interference Shielding

Zhang

Cheng

Sheng

et al. 2022

ACS Appl. Nano Mater.

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Carbon/carbon–silicon carbide (C/C-SiC) composites have been widely reported in aerospace and military projects for their mechanical properties and electromagnetic shielding characteristics. However, high production costs, a complex process, and poor electrical conductivity have prohibited the large-scale application of these excellent EMI shielding materials. Herein, in situ growth of the SiC nanofibers (SiCnf) on carbonized phenolic resin with the reinforcement of graphite fibers is proposed for a strategy to overcome this challenge. The laser-irradiated carbon fibers (LCFs) were filled into the phenolic resin and hot-pressing was conducted; thereafter, the C/C-SiC composites were obtained by high-temperature carbothermal reduction of the LCF/phenolic resin and the industrial silicon power. Because of the conductive network of the LCF, the dense carbon matrix and the decoration of nanoporous SiCnf, the as-prepared SiCnf grown on the LCF/carbonized phenolic resin (LCF/PC-SiC) composite exhibited an EMI shielding effectiveness of 27.86 dB in the X-band at room temperature. This work proposed a new strategy to efficiently fabricate C/C-SiC composites for electromagnetic shielding.

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Effects of flexural fatigue cycles on the internal friction behavior of SiCnws-C/C composites

Wang

et al. 2019

Ceramics International

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Flexural fatigue behavior and residual strength evolution of SiCnws-C/C composites

Cited by 7 publications

References 28 publications

Recent Progress in 1D Nanostructures Reinforced Carbon/Carbon Composites

Recent Progress in 1D Nanostructures Reinforced Carbon/Carbon Composites

SiC Nanofiber-Coated Carbon/Carbon Composite for Electromagnetic Interference Shielding

Effects of flexural fatigue cycles on the internal friction behavior of SiCnws-C/C composites

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