Influence of Graphene Oxide Nanoparticles on Bond-Slip Reponses between Fiber and Geopolymer Mortar

Darrakorn Intarabut; Piti Sukontasukkul; Tanakorn Phoo-Ngernkham; Hexin Zhang; Doo Yeol Yoo; Suchart Limkatanyu; Prinya Chindaprasirt

doi:10.3390/nano12060943

Influence of Graphene Oxide Nanoparticles on Bond-Slip Reponses between Fiber and Geopolymer Mortar

Darrakorn Intarabut, Piti Sukontasukkul, Tanakorn Phoo-Ngernkham, Hexin Zhang, Doo Yeol Yoo, Suchart Limkatanyu, Prinya Chindaprasirt

Department of Architecture and Architectural Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

In this study, the influence of graphene oxide nanoparticles on the bond-slip behavior of fiber and fly-ash-based geopolymer paste was examined. Geopolymer paste incorporating a graphene oxide nanoparticle solution was cast in half briquetted specimens and embedded with a fiber. Three types of fiber were used: steel, polypropylene, and basalt. The pullout test was performed at two distinct speeds: 1 mm/s and 3 mm/s. The results showed that the addition of graphene oxide increased the compressive strength of the geopolymer by about 7%. The bond-slip responses of fibers embedded in the geopolymer mixed with graphene oxide exhibited higher peak stress and toughness compared to those embedded in a normal geopolymer. Each fiber type also showed a different mode of failure. Both steel and polypropylene fibers showed full bond-slip responses due to their high ductility. Basalt fiber, on the other hand, because of its brittleness, failed by fiber fracture mode and showed no slip in pullout responses. Both bond strength and toughness were found to be rate-sensitive. The sensitivity was higher in the graphene oxide/geopolymer than in the conventional geopolymer.

Original language	English
Article number	943
Journal	Nanomaterials
Volume	12
Issue number	6
DOIs	https://doi.org/10.3390/nano12060943
Publication status	Published - 2022 Mar 1

Bibliographical note

Funding Information:
Funding: This research is funded by the National Research Council of Thailand (NRCT), and the National Science, Research and Innovation Fund (NSRF) and King Mongkut’s University of Technology North Bangkok (KMUTNB) under contract no. KMUTNB-FF-66-02. The authors would like to acknowledge the PhD scholarship from King Mongkut’s University of Technology North Bangkok (KMUTNB) under contract no. KMUTNB-PHD-62-06 and Thailand Research Fund under contract no. RTA6280012.

Publisher Copyright:
© 2022 by the authors. Licensee MDPI, Basel, Switzerland.

All Science Journal Classification (ASJC) codes

Chemical Engineering(all)
Materials Science(all)

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10.3390/nano12060943

Cite this

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title = "Influence of Graphene Oxide Nanoparticles on Bond-Slip Reponses between Fiber and Geopolymer Mortar",

abstract = "In this study, the influence of graphene oxide nanoparticles on the bond-slip behavior of fiber and fly-ash-based geopolymer paste was examined. Geopolymer paste incorporating a graphene oxide nanoparticle solution was cast in half briquetted specimens and embedded with a fiber. Three types of fiber were used: steel, polypropylene, and basalt. The pullout test was performed at two distinct speeds: 1 mm/s and 3 mm/s. The results showed that the addition of graphene oxide increased the compressive strength of the geopolymer by about 7%. The bond-slip responses of fibers embedded in the geopolymer mixed with graphene oxide exhibited higher peak stress and toughness compared to those embedded in a normal geopolymer. Each fiber type also showed a different mode of failure. Both steel and polypropylene fibers showed full bond-slip responses due to their high ductility. Basalt fiber, on the other hand, because of its brittleness, failed by fiber fracture mode and showed no slip in pullout responses. Both bond strength and toughness were found to be rate-sensitive. The sensitivity was higher in the graphene oxide/geopolymer than in the conventional geopolymer.",

author = "Darrakorn Intarabut and Piti Sukontasukkul and Tanakorn Phoo-Ngernkham and Hexin Zhang and Yoo, {Doo Yeol} and Suchart Limkatanyu and Prinya Chindaprasirt",

note = "Funding Information: Funding: This research is funded by the National Research Council of Thailand (NRCT), and the National Science, Research and Innovation Fund (NSRF) and King Mongkut{\textquoteright}s University of Technology North Bangkok (KMUTNB) under contract no. KMUTNB-FF-66-02. The authors would like to acknowledge the PhD scholarship from King Mongkut{\textquoteright}s University of Technology North Bangkok (KMUTNB) under contract no. KMUTNB-PHD-62-06 and Thailand Research Fund under contract no. RTA6280012. Publisher Copyright: {\textcopyright} 2022 by the authors. Licensee MDPI, Basel, Switzerland.",

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AU - Zhang, Hexin

AU - Yoo, Doo Yeol

AU - Limkatanyu, Suchart

AU - Chindaprasirt, Prinya

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PY - 2022/3/1

Y1 - 2022/3/1

N2 - In this study, the influence of graphene oxide nanoparticles on the bond-slip behavior of fiber and fly-ash-based geopolymer paste was examined. Geopolymer paste incorporating a graphene oxide nanoparticle solution was cast in half briquetted specimens and embedded with a fiber. Three types of fiber were used: steel, polypropylene, and basalt. The pullout test was performed at two distinct speeds: 1 mm/s and 3 mm/s. The results showed that the addition of graphene oxide increased the compressive strength of the geopolymer by about 7%. The bond-slip responses of fibers embedded in the geopolymer mixed with graphene oxide exhibited higher peak stress and toughness compared to those embedded in a normal geopolymer. Each fiber type also showed a different mode of failure. Both steel and polypropylene fibers showed full bond-slip responses due to their high ductility. Basalt fiber, on the other hand, because of its brittleness, failed by fiber fracture mode and showed no slip in pullout responses. Both bond strength and toughness were found to be rate-sensitive. The sensitivity was higher in the graphene oxide/geopolymer than in the conventional geopolymer.

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Influence of Graphene Oxide Nanoparticles on Bond-Slip Reponses between Fiber and Geopolymer Mortar

Abstract

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