New Polymer Concrete with Superior Ductility and Fracture Toughness Using Alumina Nanoparticles

AbstractThis study investigates the effect of alumina nanoparticles (ANPs) on tension and fracture characteristics of polymer concrete (PC). ANPs with a maximum particle size of 50 nm were used at 0.5, 1.0, 2.0, and 3.0 wt.% of epoxy resin. Tensile strength, tensile failure strain, and fracture toug...

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Bibliographic Details
Published in:Journal of materials in civil engineering 2017-08, Vol.29 (8)
Main Authors: Emiroglu, Mehmet, Douba, Ala Eddin, Tarefder, Rafiqul A, Kandil, Usama F, Taha, Mahmoud Reda
Format: Article
Language:English
Subjects:
Concretes
Ductility
Failure
Fourier transforms
Fracture mechanics
Fracture toughness
Scanning electron microscopy
Technical Papers
Tensile strength
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Summary:AbstractThis study investigates the effect of alumina nanoparticles (ANPs) on tension and fracture characteristics of polymer concrete (PC). ANPs with a maximum particle size of 50 nm were used at 0.5, 1.0, 2.0, and 3.0 wt.% of epoxy resin. Tensile strength, tensile failure strain, and fracture toughness (KIC, GIC, and JIC) were determined experimentally. A PC with superior ductility showing a tensile failure strain of 4.89% (compared with 2.56% for neat PC) was observed at ANP content of 3.0 wt.%. Using ANPs in producing epoxy PC can significantly improve ductility (+60.6%) and fracture toughness (+131.8%) compared with neat PC. Scanning electron microscope (SEM), dynamic mechanical analyzer (DMA), and Fourier transform infrared (FTIR) observations were conducted to understand the role ANPs play to manifest the observed improvements in tension and fracture characteristics of PC.
ISSN:0899-1561
1943-5533
DOI:10.1061/(ASCE)MT.1943-5533.0001894