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Effect of carbon nanofiber addition in the mechanical properties and durability of cementitious materials

机译:碳纳米纤维的添加对水泥基材料力学性能和耐久性的影响

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This paper reports on recent work that is directed at studying the changes in the mechanical properties of Portland cement based mortars due to the addition of carbon nanofiber (CNF). Both flexural and compression strength has been determined and related to the CNF addition to the mix, to the curing time and to the porosity and density of the matrix. Also, corrosion of embedded steel rebars in CNF cement pastes exposed to carbonation and chloride attacks has been investigated. The increase in CNF addition implies higher corrosion intensity and higher levels of mechanical properties.
机译:本文报道了针对研究由于添加碳纳米纤维(CNF)而导致的波特兰水泥基砂浆的力学性能变化的最新工作。弯曲强度和抗压强度均已确定,并且与混合物中CNF的添加量,固化时间以及基体的孔隙率和密度有关。同样,已经研究了暴露在碳化和氯化物侵蚀下的CNF水泥浆中嵌入钢筋的腐蚀。 CNF添加量的增加意味着更高的腐蚀强度和更高水平的机械性能。

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