Multiscale carbon nanosphere–carbon fiber reinforcement for cement-based composites with enhanced high-temperature resistance

Han, Tao; Wang, Huiqi; Jin, Xiuzhi; Yang, Jianxiao; Lei, Yongsheng; Yang, Fang; Yang, Xueteng; Tao, Zechao; Guo, Quangui

doi:10.1007/s10853-014-8655-8

Cited by 36 publications

(12 citation statements)

References 42 publications

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“…Nevertheless, interest related to the influence of carbon-based nanomaterials on the performance of cement-based composites, under various thermal conditions, is relatively limited [ 59 , 60 , 61 , 62 ]. However, the available data shows very promising results regarding the incorporation of carbon-based nanomaterials, to produce heat-resistant cementitious composites.…”

Section: The Effect Of Carbon-based Nanomaterials On the Thermal Rmentioning

confidence: 99%

“…Another approach for incorporating carbon-based materials to improve the thermal resistance of cement-based composites, has been proposed by Han et al [ 61 ]. In this study, the authors proposed a novel multiscale reinforcement structure, built from the fast growth of carbon nanospheres (CNSs) on the surface of carbon fibers (CFs).…”

Section: The Effect Of Carbon-based Nanomaterials On the Thermal Rmentioning

confidence: 99%

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The Influence of Nanomaterials on the Thermal Resistance of Cement-Based Composites—A Review

2018

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Exposure to elevated temperatures has detrimental effects on the properties of cementitious composites, leading to irreversible changes, up to total failure. Various methods have been used to suppress the deterioration of concrete under elevated temperature conditions. Recently, nanomaterials have been introduced as admixtures, which decrease the thermal degradation of cement-based composites after exposure to high temperatures. This paper presents a comprehensive review of recent developments related to the effects of nanoparticles on the thermal resistance of cementitious composites. The review provides an updated report on the effects of temperature on the properties of cement-based composites, as well as a detailed analysis of the available literature regarding the inclusion of nanomaterials and their effects on the thermal degradation of cementitious composites. The data from the studies reviewed indicate that the inclusion of nanoparticles in composites protects from strength loss, as well as contributing to a decrease in disruptive cracking, after thermal exposure. From all the nanomaterials presented, nanosilica has been studied the most extensively. However, there are other nanomaterials, such as carbon nanotubes, graphene oxide, nanoclays, nanoalumina or nano-iron oxides, that can be used to produce heat-resistant cementitious composites. Based on the data available, it can be concluded that the effects of nanomaterials have not been fully explored and that further investigations are required, so as to successfully utilize them in the production of heat-resistant cementitious composites.

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Section: The Effect Of Carbon-based Nanomaterials On the Thermal Rmentioning

confidence: 99%

Section: The Effect Of Carbon-based Nanomaterials On the Thermal Rmentioning

confidence: 99%

The Influence of Nanomaterials on the Thermal Resistance of Cement-Based Composites—A Review

2018

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“…Nanoparticles are commonly defined as materials with a particle size of less than 100 nm [ 66 , 67 ], and can make revolutionary changes in bulk material properties [ 68 ]. Incorporation of nanoparticles in cementitious composites can significantly improve their mechanical properties and durability [ 67 , 69 , 70 , 71 , 72 ]. Among these nanoparticles, nano-calcium carbonate is one of the most widely used nanoparticles in the construction sector.…”

Section: Nano-calcium Carbonatementioning

confidence: 99%

Effect of Macro-, Micro- and Nano-Calcium Carbonate on Properties of Cementitious Composites—A Review

et al. 2019

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Calcium carbonate is wildly used in cementitious composites at different scales and can affect the properties of cementitious composites through physical effects (such as the filler effect, dilution effect and nucleation effect) and chemical effects. The effects of macro (>1 mm)-, micro (1 μm–1 mm)- and nano (<1 μm)-sizes of calcium carbonate on the hydration process, workability, mechanical properties and durability are reviewed. Macro-calcium carbonate mainly acts as an inert filler and can be involved in building the skeletons of hardened cementitious composites to provide part of the strength. Micro-calcium carbonate not only fills the voids between cement grains, but also accelerates the hydration process and affects the workability, mechanical properties and durability through the dilution, nucleation and even chemical effects. Nano-calcium carbonate also has both physical and chemical effects on the properties of cementitious composites, and these effects behave even more effectively than those of micro-calcium carbonate. However, agglomeration of nano-calcium carbonate reduces its enhancement effects remarkably.

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“…Accordingly, at these temperatures, the absorbing materials on its structure cannot meet the radar requirements. Compared with graphite and spherical particles, carbon fiber (CF) has unique anisotropic characteristics, increased strength, and excellent thermal stability [2,3]. It is not only extensively used in the reinforcing phase of composite materials, but it is one of the preferred materials for electromagnetic (EM) wave absorption.…”

Section: Introductionmentioning

confidence: 99%

Effects of Boron Nitride Coatings at High Temperatures and Electromagnetic Wave Absorption Properties of Carbon Fiber-Based Magnetic Materials

Sun

Cheng

et al. 2020

Journal of Nanomaterials

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An electromagnetic (EM) wave-absorbing material with a three-layer structure is prepared by depositing magnetic particles and a high-temperature resistant coating on the surface of the carbon fiber (CF) with in situ hybridization. Accordingly, the structure, chemical composition, morphology, high-temperature resistance, EM characteristics, and EM wave absorption of the composite materials were analyzed. The composite materials contained CFs, and the magnetic particles, such as Fe3O4, NiFe2O4, CoFe2O4, and Ni3Fe, distributed along the axial direction of the fiber, while boron nitride (BN) existed in the outermost coating layer. This preparation method improves the oxidation resistance and EM wave absorption performance of the CF. When the concentrations of the metal salt solution and the original BN solution are 0.625×1.5 mol L-1 [nFeCl3: nCoSO4: nNiSO4=2:2:1] and 4 mol L-1 [nH3BO3:nCONH22=1:3], respectively, the thermal decomposition temperature of the prepared CF/1.5FeCoNi/2BN is increased from 450°C to 754°C. In the frequency range of 10.6–26 GHz, the EM wave loss is less than −10 dB (the bandwidth spans 15.4 GHz). The CF-based composite material prepared in this study has the characteristics of light weight, wide absorption band, and strong oxidation resistance and constitutes the reference basis for the study of other high-temperature, EM wave-absorbing materials.

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Multiscale carbon nanosphere–carbon fiber reinforcement for cement-based composites with enhanced high-temperature resistance

Cited by 36 publications

References 42 publications

The Influence of Nanomaterials on the Thermal Resistance of Cement-Based Composites—A Review

The Influence of Nanomaterials on the Thermal Resistance of Cement-Based Composites—A Review

Effect of Macro-, Micro- and Nano-Calcium Carbonate on Properties of Cementitious Composites—A Review

Effects of Boron Nitride Coatings at High Temperatures and Electromagnetic Wave Absorption Properties of Carbon Fiber-Based Magnetic Materials

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