Modified graphene cement-based composite material, and preparation and application of material
A composite material and graphene technology, applied in the direction of instruments, measuring devices, measuring force, etc., can solve problems such as easy agglomeration, poor hydrophilicity of graphene, and inability to improve the performance of cement-based materials, etc., to achieve good dispersion and sensory sensitivity The effect of high and broad application prospects
Inactive Publication Date: 2018-02-02
SOUTHEAST UNIV
5 Cites 11 Cited by
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The invention relates to a modified graphene cement-based composite material, and a preparation and application of the material. The modified graphene cement-based composite material comprises the following components in parts by mass: 30-50 parts of water, 100 parts of cement, 0.35-2 parts of a naphthalene water reducer, 0.5-4 parts of graphene and 100-300 parts of standard sand. The preparationprocess comprises the following steps: 1) preparing a naphthalene water reducer solution; 2) preparing a modified graphene suspension; and 3) preparing the modified graphene cement-based composite material. Compared with the prior art, the graphene cement-based composite material disclosed by the invention has the advantages of simple preparation process, high mechanical strength, good durability,compact structure and the like; a pressure-sensitive sensor prepared by using the material has the advantages of sensitive stress and strain monitoring signals, low signal-to-noise ratio, stable service, good compatibility with concrete and the like. The pressure-sensitive sensor has a wide application prospect in the fields of concrete structure monitoring, traffic flow statistics, road surfacedeicing and the like.
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Property | Measurement | Unit |
Compressive strength | 55.0 | mPa |
Flexural strength | 8.2 | mPa |
Particle size | 7.0 ~ 8.0 | µm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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