Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 49, Issue -, Pages 835-840Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2013.09.011
Keywords
Carbon nanotubes; Carbon nanofibers; Cement-based composites; Cement; Mineral admixture; In situ growth
Categories
Funding
- National Science Foundation of China [51178148, 50808055]
- Program for New Century Excellent Talents in University of China [NCET-11-0798]
- Ministry of Science and Technology of China [2011BAK02B01]
- Fundamental Research Funds for the Central Universities of China
- US National Science Foundation [CMMI-0856477]
- Federal Highway Administration (FHWA) of US Department of Transportation [DTFH61-10-C-00011]
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Carbon nanotubes (CNTs) and carbon nanofibers (CNFs) are beneficial reinforcement materials for high-performance and multifunctional cement-based composites. However, it is difficult to uniformly disperse CNTs/CNFs in cement-based composite during the composite fabrication process due to CNTs/CNFs aggregation. The in situ growth of CNTs/CNFs on cement/mineral admixture provides a new method to solve this issue. This article summarizes the methods and theories of in situ growth of CNTs/CNFs on cement/mineral admixture, including chemical vapor deposition method and microwave irradiating conductive polymers method. Properties of the cement-based composites made from the CNTs/CNFs-grown cement/mineral admixture are presented. The issues about the in situ growth of CNTs/CNFs on cement/mineral admixture that needed to be further studied are discussed. (C) 2013 Elsevier Ltd. All rights reserved.
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