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Effect of Graphene on Modified Asphalt Microstructures

Jul 01, 2021  The results show that graphene facilitates the nucleation of “bee structures”, resulting in an increasing number and decreasing volume of “bee structures” in modified asphalt. Additionally, the anti-aging performance of the modified asphalt improved significantly because of graphene incorporation. Keywords:

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Effect of Graphene on Modified Asphalt Microstructures

Jul 01, 2021  Effect of Graphene on Modified Asphalt Microstructures Based on Atomic Force Microscopy Authors Xian Li 1 , Yanmin Wang 1 , Yanling Wu 1 , Huiru Wang 1 , Qingliang Wang 1 , Xingxing Zhu 1 , Xiaocun Liu 1 , Huadong Sun 1 , Liang Fan 2 Affiliations 1 School of Traffic and Civil Engineering, Shandong Jiaotong University, Jinan 250300, China.

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Effect of Graphene on Modified Asphalt Microstructures

Jul 01, 2021  PDF Atomic force microscopy (AFM) was used to explore the effects of graphene modifier on the microstructure of asphalt. The morphologies of the...

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Effect of Graphene on Modified Asphalt

The number of bee structures in the base and graphene-modified asphalt increased after pressure-aging ves- sel (PAV) tests. This occurred because the

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Effect of Graphene on Modified Asphalt Microstructures Based on

Results show that graphene facilitates the nucleation of “bee structures”, resulting in an increasing number and decreasing volume of „bee structures" in modified asphalt and the anti-aging performance of the modified asphalt improved significantly because of graphene incorporation. Atomic force microscopy (AFM) was used to explore the effects of graphene

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Effect of Graphene on Modified Asphalt Microstructures Based on

Atomic force microscopy (AFM) was used to explore the effects of graphene modifier on the microstructure of asphalt. The morphologies of the before- and... DOAJ is a community-curated online directory that indexes and provides access to

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Effect of Graphene Oxide on the Low-Temperature Crack

Jan 23, 2022  The results of the small beam flexural tests showed that graphene oxide as a modifier improved the flexural strength and flexural strain of the mix, resulting in a mix with a lower stiffness modulus and a better relaxation stress capacity with the addition of graphene oxide, which is also expressed through the OpenCV images.

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Properties and modification mechanism of asphalt with

Feb 22, 2021  It can be seen that the incorporation of graphene enhances the softening point, decreases the penetration, decreases the ductility, and increases the viscosity of asphalt. All of these indicate that the asphaltic properties of high-temperature stability and temperature sensitivity are improved due to the incorporation of graphene.

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Effects of graphene oxide on asphalt binders - ScienceDirect

Jan 01, 2019  Many studies have shown that graphene oxide (GO) could produce a good improvement effect on the mechanical and rheological properties of polymers. But, when used as a modifier for an asphalt binder, the GO–asphalt interaction, aging properties, and the effect of GO on asphalt pavement performance are still not clear.

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Effect of Graphene on Modified Asphalt Microstructures Based

Atomic force microscopy (AFM) was used to explore the effects of graphene modifier on the microstructure of asphalt. The morphologies of the before- and... DOAJ is a community-curated online directory that indexes and provides access to

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Effect of Graphene on Modified Asphalt Microstructures Based

Atomic force microscopy (AFM) was used to explore the effects of graphene modifier on the microstructure of asphalt. The morphologies of the before- and after-aged base asphalt and modified asphalt were performed and compared with analysis. The formation mechanism of asphaltic “bee structures” and the influence mechanism of graphene on asphalt were

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Effect of Graphene on Modified Asphalt Microstructures Based

Effect of Graphene on Modified Asphalt Microstructures Based on Atomic Force Microscopy . Atomic force microscopy (AFM) was used to explore the effects of graphene modifitructure of asphalt. The morpholalt. The morphologies of the before- and after-aged base asphalt and modified asphalt were performed and compared with analysis.

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Effect of Graphene Oxide on the Low-Temperature Crack

Jan 23, 2022  TPU–SBS-modified asphalt was prepared by the melt blending method, mainly using asphalt mixers and high-speed shears to disperse the polyurethane particles and SBS modifiers in the asphalt. First of all, the 90-base asphalt was placed in a metal vessel and heated in a constant-temperature oven at 150 °C for 2 h until it became fluid.

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Effect of Graphene Nanoplatelets (GNPs) on Fatigue Properties of ...

Aug 27, 2021  To investigate the effect of graphene on the fatigue properties of base asphalt mastics, graphene nanoplatelets (GNPs)-modified asphalt mastics and base asphalt mastics were prepared. A dynamic shear rheometer (DSR) was used to conduct the tests in the stress-controlled mode of a time-sweep test. Th

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CN103819915A - Graphene oxide modified asphalt and preparation method ...

The invention provides graphene oxide modified asphalt, comprising, by mass, 0.5 to 15% of graphene oxide and 85 to 99.5% of matrix asphalt, wherein the above mentioned mass percent sums to 100%. A preparation method for the graphene oxide modified asphalt comprises the following steps: heating and fusing matrix asphalt, maintaining a temperature to be 120 to 200

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Properties and modification mechanism of asphalt with graphene

DOI: 10.1016/j.conbuildmat.2020.121919 Corpus ID: 230575680; Properties and modification mechanism of asphalt with graphene as modifier @article{Li2021PropertiesAM, title={Properties and modification mechanism of asphalt with graphene as modifier}, author={Xian Li and Yanmin Wang and Yan-ling Wu and Huiru Wang and Min Chen and Hua Dong Sun and Liang Fan},

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Modification of Asphalt Modified by Packaging Waste EVA and Graphene

Apr 12, 2022  A composite modifier made from waste ethylene-vinyl acetate copolymer (WEVA) and graphene oxide (GO) is used to modify asphalt used to pave the roadway. At the same time, the effect of GO on the related properties of modified composite asphalt is investigated in terms of softening point, penetration, ductility, as well as distribution. The preparation of the

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The Utilization of Graphene Oxide in Traditional ... - Europe PMC

Jan 07, 2017  From Figure 13 and Figure 14 and Table 3, the introduction of 1% GO had a minor effect on the base asphalt. The complex modulus of 1% GO-modified 70A and 90A were almost overlapped compared to both base asphalts. ... Effect of Graphene on Modified Asphalt Microstructures Based on Atomic Force Microscopy. Li X, Wang Y, Wu Y, Wang H, Wang Q,

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Preparation of Highly Dispersed Graphene and Its Effect on the ...

Nov 11, 2020  The dispersibility of graphene is one of the determining factors which affect its efficacy in practice. In the present work, highly dispersed graphene [namely, titanium dioxide (TiO 2)-reduced graphene oxide (RGO) nanocomposites] was fabricated by a novel TiO 2 intercalation method to the RGO.Such a highly dispersed graphene with a marginal doping amount of the

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Potential Application of Various Nanomaterials on the

The optimum concentration of GO in conventional binders is less than that required for SBS modified asphalt . Graphene nanoplatelets are thinner forms of graphite . GNPs include all types of graphitic materials ranging from 100 nm thick platelets to single-layer graphene. ... In a study on the effect of CNTs on the asphalt binders, FTIR results ...

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Multi-scale studies on interfacial system compatibility between asphalt

Hu et al. investigated the storage and rheological properties of graphene/recycled polyethylene modified asphalt using MD simulation, ... As a dispersed phase, the colloid component is distributed in SBS modified asphalt, blocking the effect of aromatics and saturates on SBS modifier. However, the blocking effect is inconspicuous, and the ...

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Effect of Higher Carrier Mobility of the Reduced Graphene

The synthesis of solar-light-responsive zinc telluride (ZnTe) nanoparticles and their composite with reduced graphene oxide (rGO–ZnTe) via a simple hydrothermal reaction is reported. The synthesized nanostructures were comprehensively characterized by a combination of X-ray diffraction and photoelectron spectroscopy, electron microscopy, UV–vis spectroscopy,

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Effects of different modifiers on thermal stability ... - SpringerLink

Jan 24, 2020  To develop a new sealant for the expansion joint on concrete pavement, styrene–butadiene–styrene (SBS), polyurethane (PU) and organ silicon (OS) were selected to modify asphalt, respectively, and effects of the three modifiers on thermal stability, main constituents, microstructures and chemical elements of asphalt, and their modification

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Effect of Graphene on Modified Asphalt Microstructures Based

Atomic force microscopy (AFM) was used to explore the effects of graphene modifier on the microstructure of asphalt. The morphologies of the before- and after-aged base asphalt and modified asphalt were performed and compared with analysis. The formation mechanism of asphaltic “bee structures” and the influence mechanism of graphene on asphalt were

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Effect of Graphene on Modified Asphalt Microstructures Based on

adshelp[at]cfa.harvard The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86ANNX16AC86A

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Performance analysis of graphene modified asphalt and

May 23, 2022  The graphene modified asphalt used in this study was prepared based on a highway project in Gansu Province. In this paper, the high temperature rutting resistance, low temperature cracking resistance, and water stability of SMA-13 asphalt mixture with asphalt (AH-70), SBS modified asphalt and graphene rubber composite modified asphalt were tested

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A review on Graphene/GNPs/GO modified asphalt

May 02, 2022  The major conclusions are as follows: 1) The graphene-like materials can improve the high temperature performance, moisture stability, aging resistance, and skid resistance of asphalt binder, but the effect on low temperature performance depends on the dispersion of graphene-like materials in asphalt binder; 2) The effect of graphene-like ...

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Effect of graphene on synthesized pavement ... - Taylor Francis

Therefore, the effect of graphene on rubber asphalt mixture was evaluated by laboratory tests to find the advantage of graphene modified rubber asphalt. The results show graphene can improve the resistance to water damage and high-temperature performance significantly. Besides, the Accelerated Pavement Testing verifies the durability of mixture ...

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Graphene reinforces asphalt – Doubles durability of road: AIP ...

Oct 12, 2020  Graphene and its composites are now reinforced with asphalt a pavement material to increase durability of roads. The present review paper focuses on improved performance of asphalt material when mixed with graphene, reduced graphene oxide and graphene nanoplatelets. Graphene is the world's versatile wonder two-dimensional material

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Investigation of Compaction Process of Graphene Nano-Platelet Modified

Investigation of Compaction Process of Graphene Nano-Platelet Modified Asphalt Mixtures ... (DEM) code where the macroscopic particles are simulated directly and the effect of the GNP on binder rheology and friction coefficients are parameterized. The form of the parameterization is twofold: 1) a lubrication-like modification of the ...

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Modification of Asphalt Modified by Packaging Waste EVA and Graphene

Apr 12, 2022  A composite modifier made from waste ethylene-vinyl acetate copolymer (WEVA) and graphene oxide (GO) is used to modify asphalt used to pave the roadway. At the same time, the effect of GO on the related properties of modified composite asphalt is investigated in terms of softening point, penetration, ductility, as well as distribution. The preparation of the

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Effect of the graphene content on the microstructures and

A graphite mold was filled with a mixed powder of aluminum and graphene It was evacuated to 2×10−1 Pa, pre-pressed under 10 MPa, heated to 450 °C where it was kept for 5 min, pressed again under 40 MPa, heated to 600 °C where it was kept for another 5 min to prepare graphene/aluminum (G/Al) composites The effect of the graphene content on the

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Property Improvement of Cement Emulsified Asphalt Paste Modified

Mar 07, 2020  Cement emulsified asphalt paste (CEAP) is widely used as a construction and building material by combining the advantages of cement rigidity and asphalt flexibility. However, the properties of CEAP can be evidently reduced due to the addition of emulsified asphalt. In this work, graphene oxide (GO) was prepared by the Hummers method and was innovatively used

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Preparation of Highly Dispersed Graphene and Its Effect on the ...

Nov 11, 2020  The dispersibility of graphene is one of the determining factors which affect its efficacy in practice. In the present work, highly dispersed graphene [namely, titanium dioxide (TiO 2)-reduced graphene oxide (RGO) nanocomposites] was fabricated by a novel TiO 2 intercalation method to the RGO.Such a highly dispersed graphene with a marginal doping amount of the

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Effect of Interface Modified by Graphene on the Mechanical and ...

The weight contents of carbon fibers, graphene and pyrolytic carbon are 31.6, 0.3 and 68.1 wt %, respectively. The matrix of the C/G/C composite was mainly composed of rough laminar (RL) pyrocarbon. The average hardness by nanoindentation of the C/G/C and C/C composite matrices were 0.473 and 0.751 GPa, respectively.

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Potential Application of Various Nanomaterials on the

The optimum concentration of GO in conventional binders is less than that required for SBS modified asphalt . Graphene nanoplatelets are thinner forms of graphite . GNPs include all types of graphitic materials ranging from 100 nm thick platelets to single-layer graphene. ... In a study on the effect of CNTs on the asphalt binders, FTIR results ...

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Electrochemical and Mechanical Properties of Asphalt

the environment. The harmful effects of deicers on asphalt concrete and their corrosion damage to the transportation infrastructure are recognized [7, 8]. Several studies have confirmed that damage of the asphalt concrete mixture with deicers is more than water. Some researchers reported that the destructive effects were observed, especially ...

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