期刊
MATERIALS
卷 7, 期 3, 页码 1640-1651出版社
MDPI
DOI: 10.3390/ma7031640
关键词
CNT; multifunctional composites; cement; durability; mechanical properties
类别
资金
- Spanish Ministry of Science and Innovation [Mat 2009-10866]
- Generalitat Valenciana [PROMETEO/2013/035]
In the present paper, changes in mechanical properties of Portland cement-based mortars due to the addition of carbon nanotubes (CNT) and corrosion of embedded steel rebars in CNT cement pastes are reported. Bending strength, compression strength, porosity and density of mortars were determined and related to the CNT dosages. CNT cement paste specimens were exposed to carbonation and chloride attacks, and results on steel corrosion rate tests were related to CNT dosages. The increase in CNT content implies no significant variations of mechanical properties but higher steel corrosion intensities were observed.
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