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- Title
Advanced cement based nanocomposites reinforced with MWCNTs and CNFs.
- Authors
Gdoutos, Emmanuel; Konsta-Gdoutos, Maria; Danoglidis, Panagiotis; Shah, Surendra
- Abstract
Cementitious materials reinforced with well dispersed multiwall carbon nanotubes (MWCNTs) and carbon nanofibers (CNFs) at the nanoscale were fabricated and tested. The MWCNTs and CNFs were dispersed by the application of ultrasonic energy and the use of a superplasticizer. Mechanical and fracture properties including flexural strength, Young's modulus, flexural and fracture toughness were measured and compared with similarly processed reference cement based mixes without the nano-reinforcement. The MWCNTs and CNFs reinforced mortars exhibited superior properties demonstrated by a significant improvement in flexural strength (106%), Young's modulus (95%), flexural toughness (105%), effective crack length (30%) and fracture toughness (120%).
- Subjects
CEMENT composites; MULTIWALLED carbon nanotubes; CARBON nanofibers; FRACTURE mechanics; FLEXURAL strength; YOUNG'S modulus; FRACTURE toughness
- Publication
Frontiers of Structural & Civil Engineering, 2016, Vol 10, Issue 2, p142
- ISSN
2095-2430
- Publication type
Article
- DOI
10.1007/s11709-016-0342-1