Effects of CNT concentration level and water/cement ratio on the piezoresistivity of CNT/cement composites

Journal of Composite Materials

Volumn 46, Issue 1, 2012, Pages 19-25

  Han, Baoguo ^a,b   Yu, Xun ^a   Kwon, Eil ^a   Ou, Jinping ^b,c  

^a UNIVERSITY OF MINNESOTA DULUTH   (United States)

^b HARBIN INSTITUTE OF TECHNOLOGY   (China)

^c DALIAN UNIVERSITY OF TECHNOLOGY   (China)

Author keywords

CNT concentration level; CNT cement composites; piezoresistivity; sensitivity; water cement ratio

Indexed keywords

CONCENTRATION LEVELS; CONDUCTIVE NETWORKS; ELECTRICAL RESISTANCES; MULTI-WALLED CNT; PIEZO-RESISTIVE; PIEZORESISTIVITY; SENSITIVITY; WATER/CEMENT RATIO;

COMPRESSIVE STRESS; ELECTRIC PROPERTIES; ELECTRIC RESISTANCE; MULTIWALLED CARBON NANOTUBES (MWCN);

CONCENTRATION (PROCESS);

EID: 84555178592     PISSN: 00219983     EISSN: 1530793X     Source Type: Journal    
DOI: 10.1177/0021998311401114     Document Type: Article

References (25)

1. Aitcin PC. Cements of yesterday and today: concrete of tomorrow. Cem Concr Res. 2000 ; 30: 1349-1359
2. Mather B. Concrete durability. Cem Concr Compos. 2004 ; 26: 3-4
3. Han BG, Ou JP. Embedded piezoresistive cement-based stress/strain sensor. Sens Actuators, A. 2007 ; 138: 294-298
4. Hou TC, Lynch JP. Conductivity-based strain monitoring and damage characterization of fiber reinforced cementitious structural components. Proc SPIE. 2005 ; 5765: 7-10
5. Chung DDL. Piezoresistive cement-based materials for strain sensing. J Intell Mater Syst Struct. 2002 ; 13: 599-609
6. Ou JP, Han BG. Piezoresistive cement-based strain sensors and self-sensing concrete components. J Intell Mater Syst Struct. 2009 ; 20: 329-336
7. Azhari F. Cement-based sensors for structural health monitoring. Dissertation for the Master Degree of Applied Science, University of British Columbia, Vancouver, Canada, 2008.
8. Meyyappan M Carbon nanotubes science and applications. Boca Raton: CRC Press ; 2005 :
9. Grunlan JC, Mehrabi AR, Bannon MV, Bahr JL. Water-based single-walled-nanotube-filled polymer composite with an exceptionally low percolation threshold. Adv Mater. 2004 ; 16: 150-153
10. Blanchet GB, Subramoney S, Bailey RK, Jaycox GD, Nuckolls C. Self-assembled three-dimensional conducting network of single-wall carbon nanotubes. Appl Phys Lett. 2004 ; 85: 828-830
11. Kim YJ, Shin TS, Choi HD, Kwon JH, Chung YC, Yoon HG. Electrical conductivity of chemically modified multiwalled carbon nanotube/epoxy composites. Carbon. 2005 ; 43: 23-30
12. Tombler TW, Zhou C, Alexseyev L, Kong J, Dai H, Liu L, et al. Reversible electromechanical characteristics of carbon nanotubes under local-probe manipulation. Nature. 2000 ; 405: 769-772 (Pubitemid 30407843)
13. Cao J, Wang Q, Dai H. Electromechanical properties of metallic, quasimetallic, and semiconducting carbon nanotubes under stretching. Phys Rev Lett. 2003 ; 90: 157601-157604
14. Li GY, Wang PM, Zhao XH. Pressure-sensitive properties and microstructure of carbon nanotube reinforced cement composites. Cem Concr Compos. 2007 ; 29: 377-382 (Pubitemid 46483024)
15. Yu X, Kwon E. A Carbon nanotube/cement composite with piezoresistive properties. Smart Mater Struct. 2009 ; 18 :
16. Han BG, Yu X, Kwon E. A self-sensing carbon nanotube/cement composite for traffic monitoring. Nanotechnology. 2009 ; 20 :
17. Saafi M. Wireless and embedded carbon nanotube networks for damage detection in concrete structures. Nanotechnology. 2009 ; 20 :
18. Han BG, Yu X, Ou JP. Effect of water content on the piezoresistivity of MWNT/cement composites. J Mater Sci. 2010 ; 45 (14). 3714-3719
19. Islam MF, Rojas E, Bergey DM, Johnson AT, Yodh AG. High weight fraction surfactant solubilization of single-wall carbon nanotubes in water. Nano Lett. 2003 ; 3 (2). 269-273 (Pubitemid 37130551)
20. Vaisman L, Wagner HD, Marom G. The role of surfactants in dispersion of carbon nanotubes. Adv Colloid Interf Sci. 2006 ; 128-130: 37-46 (Pubitemid 46215538)
21. Han BG, Guan XC, Ou JP. Electrode design, measuring method and data acquisition system of carbon fiber cement paste piezoresistive sensors. Sens Actuators, A. 2007 ; 135: 360-369
22. Li CY, Chou TW. Modeling of damage sensing in fiber composites using carbon nanotube networks. Compos Sci Technol. 2008 ; 68: 3373-3379
23. Chen B, Wu KR, Yao W. Piezoresistivity in carbon fiber reinforced cement based composites. J Mater Sci Technol. 2004 ; 20: 746-750 (Pubitemid 40232556)
24. Jiang MJ, Dang ZM, Xu HP, Yao SH. Effect of aspect ratio of multiwall carbon nanotubes on resistance-pressure sensitivity of rubber nanocomposites. Appl Phys Lett. 2007 ; 91 :
25. Zallen R The physics of amorphous solids. New York: Wiley ; 1983 :