Reinforcing Effect of Carbon NanotubesSurfactant Dispersions in Portland Cement Pastes
Joint Authors
Mendoza Reales, Oscar A.
Ocampo, Caterin
Arias Jaramillo, Yhan Paul
Ochoa Botero, Juan Carlos
Quintero, Jorge Hernán
Silva, Emílio C. C. M.
Toledo Filho, Romildo Dias
Source
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-06-11
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
Decoupling the individual effects of multiwalled carbon nanotubes (MWCNTs) and surfactants when used as reinforcement materials in cement-based composites is aimed in this study.
Powder MWCNTs were dispersed in deionized water using different types of surfactants as chemical dispersing agents and an ultrasonic tip processor.
Cement pastes with carbon nanotubes additions of 0.15% by mass of cement were produced in two steps: first, the MWCNT/surfactant dispersions were combined with the mixing water, and then, cement was added and mixed until a homogeneous paste was obtained.
Mechanical properties of the pastes cured at 7 days were measured, and their fracture behavior was characterized using the linear elastic finite element analysis.
It was found that the reinforcing effect of MWCNT was masked by the negative effect of surfactants in the cement matrix; nevertheless, nanotubes were capable of increasing both stress and strain capacity of the composite by controlling the crack propagation process at the tip of the crack.
American Psychological Association (APA)
Mendoza Reales, Oscar A.& Ocampo, Caterin& Arias Jaramillo, Yhan Paul& Ochoa Botero, Juan Carlos& Quintero, Jorge Hernán& Silva, Emílio C. C. M.…[et al.]. 2018. Reinforcing Effect of Carbon NanotubesSurfactant Dispersions in Portland Cement Pastes. Advances in Civil Engineering،Vol. 2018, no. 2018, pp.1-9.
https://search.emarefa.net/detail/BIM-1115550
Modern Language Association (MLA)
Mendoza Reales, Oscar A.…[et al.]. Reinforcing Effect of Carbon NanotubesSurfactant Dispersions in Portland Cement Pastes. Advances in Civil Engineering No. 2018 (2018), pp.1-9.
https://search.emarefa.net/detail/BIM-1115550
American Medical Association (AMA)
Mendoza Reales, Oscar A.& Ocampo, Caterin& Arias Jaramillo, Yhan Paul& Ochoa Botero, Juan Carlos& Quintero, Jorge Hernán& Silva, Emílio C. C. M.…[et al.]. Reinforcing Effect of Carbon NanotubesSurfactant Dispersions in Portland Cement Pastes. Advances in Civil Engineering. 2018. Vol. 2018, no. 2018, pp.1-9.
https://search.emarefa.net/detail/BIM-1115550
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1115550