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Open AccessArticle

Fracture Properties Evaluation of Cellulose Nanocrystals Cement Paste

School of Civil Engineering, Purdue University, West Lafayette, IN 47907, USA
Studies and Research Unit, Al-Mustaqbal University College, Babylon 51001, Iraq
Department of Civil Engineering, University of Arkansas, Fayetteville, AR 72701, USA
Tatum-Smith-Welcher Engineers Engineers, Rogers, AR 72758, USA
Department of Civil Engineering, Faculty of Engineering, Firat University, Elazig 23200, Turkey
Author to whom correspondence should be addressed.
Materials 2020, 13(11), 2507;
Received: 27 April 2020 / Revised: 21 May 2020 / Accepted: 26 May 2020 / Published: 31 May 2020
(This article belongs to the Collection Concrete and Construction Materials)
Due to the need for high-performance and sustainable building materials, the investigation of the determination of fracture toughness of cement paste using new and sustainable materials, such as cellulose nanocrystals (CNCs) is worthwhile. Contrary to other well-known nano-reinforcement particles, such as carbon nanotubes, CNCs are less toxic; therefore, they have less safety and environmental risks. Fracture behavior of cement paste has been studied intensively for a long time. However, the incorporation of new materials in the cement paste, such as cellulose nanocrystal materials (CNCs), has not been fully investigated. In this paper, the fracture behavior, compressive strength, and hydration properties of cement paste reinforced with cellulose nanocrystal particles were studied. At the age of 3, 7, and 28 days, a three-point bending moment test, and a calorimetry and thermogravimetric analysis, scanning electron microscopy (SEM), and energy dispersive x-ray spectroscopy (EDX) analysis were performed on the water-to-binder-weight ratio of 0.35 cement paste, containing 0.0%, 0.2%, and 1.0% volume cellulose nanocrystals. Results indicated that the fracture properties and compressive strength were improved for the sample containing 0.2% CNCs. Preliminary results indicate that CNCs can improve the fracture behavior of cementitious materials and can be considered as a renewable and sustainable material in construction. View Full-Text
Keywords: fracture; cellulose nanocrystals; renewable materials; sustainable infrastructure fracture; cellulose nanocrystals; renewable materials; sustainable infrastructure
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MDPI and ACS Style

Ghahari, S.; Assi, L.N.; Alsalman, A.; Alyamaç, K.E. Fracture Properties Evaluation of Cellulose Nanocrystals Cement Paste. Materials 2020, 13, 2507.

AMA Style

Ghahari S, Assi LN, Alsalman A, Alyamaç KE. Fracture Properties Evaluation of Cellulose Nanocrystals Cement Paste. Materials. 2020; 13(11):2507.

Chicago/Turabian Style

Ghahari, SeyedAli; Assi, Lateef N.; Alsalman, Ali; Alyamaç, Kürşat E. 2020. "Fracture Properties Evaluation of Cellulose Nanocrystals Cement Paste" Materials 13, no. 11: 2507.

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