Rice Husk and Old Corrugated Container Cement Boards: Performance of Nano-SiO2 on Strength and Dimensional Stability
In this study the effect of nano sized silica particles (nano-SiO2) on the physical and mechanical properties of rice husk and Old Corrugated Container (OCC)-cement boards was investigated. Modulus Of Rupture (MOR), Modulus Of Elasticity (MOE), Internal Bonding Strength (IB), density, water absorpti...
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Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR
2015-09-01
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doaj-6318b48ecffb4ed6a36034cffbf95b9d2020-11-25T01:29:00ZengIranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECRIranian Journal of Chemistry & Chemical Engineering 1021-99861021-99862015-09-01343919814755Rice Husk and Old Corrugated Container Cement Boards: Performance of Nano-SiO2 on Strength and Dimensional StabilityFaranak Mohammadkazemi0Kazem Doosthoseini1Department of Cellulose and Paper Technology, Faculty of New Technologies Engineering, Shahid Beheshti University, Zirab, Mazandaran, I.R. IRANDepartment of Wood and Paper Science and Technology, University College of Agriculture and Natural Resources, University of Tehran, Karaj, I.R. IRANIn this study the effect of nano sized silica particles (nano-SiO2) on the physical and mechanical properties of rice husk and Old Corrugated Container (OCC)-cement boards was investigated. Modulus Of Rupture (MOR), Modulus Of Elasticity (MOE), Internal Bonding Strength (IB), density, water absorption and thickness swelling after 24 hours immersion in water and hardness were measured. Results showed that rice husk-cement boards with 2% nano-SiO2 demonstrated the best physical and mechanical properties. It is related to better distribution and compaction of particles during compression without particles agglomerating. A higher property of 2%-nano-SiO2 content rice-husk-cement boards was confirmed by their higher hydration temperature. Addition of 3% nano-SiO2 to the mixture reduced the density because of both the substitution of denser cement particles by lighter nano-SiO2 particles and air-entrapment in the boards. Furthermore, Scanning Electron Microscopy (SEM) analyses showed that the optimum amount of nano-SiO2 (2%) can fill micro pores and make a uniform structure with a rough surface which improves properties of composite boards.http://www.ijcce.ac.ir/article_14755_2afe52df9bc2800ff82f763a3699b784.pdfcement boardsnano-sio2rice huskold corrugated container (occ)sem |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Faranak Mohammadkazemi Kazem Doosthoseini |
spellingShingle |
Faranak Mohammadkazemi Kazem Doosthoseini Rice Husk and Old Corrugated Container Cement Boards: Performance of Nano-SiO2 on Strength and Dimensional Stability Iranian Journal of Chemistry & Chemical Engineering cement boards nano-sio2 rice husk old corrugated container (occ) sem |
author_facet |
Faranak Mohammadkazemi Kazem Doosthoseini |
author_sort |
Faranak Mohammadkazemi |
title |
Rice Husk and Old Corrugated Container Cement Boards: Performance of Nano-SiO2 on Strength and Dimensional Stability |
title_short |
Rice Husk and Old Corrugated Container Cement Boards: Performance of Nano-SiO2 on Strength and Dimensional Stability |
title_full |
Rice Husk and Old Corrugated Container Cement Boards: Performance of Nano-SiO2 on Strength and Dimensional Stability |
title_fullStr |
Rice Husk and Old Corrugated Container Cement Boards: Performance of Nano-SiO2 on Strength and Dimensional Stability |
title_full_unstemmed |
Rice Husk and Old Corrugated Container Cement Boards: Performance of Nano-SiO2 on Strength and Dimensional Stability |
title_sort |
rice husk and old corrugated container cement boards: performance of nano-sio2 on strength and dimensional stability |
publisher |
Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR |
series |
Iranian Journal of Chemistry & Chemical Engineering |
issn |
1021-9986 1021-9986 |
publishDate |
2015-09-01 |
description |
In this study the effect of nano sized silica particles (nano-SiO2) on the physical and mechanical properties of rice husk and Old Corrugated Container (OCC)-cement boards was investigated. Modulus Of Rupture (MOR), Modulus Of Elasticity (MOE), Internal Bonding Strength (IB), density, water absorption and thickness swelling after 24 hours immersion in water and hardness were measured. Results showed that rice husk-cement boards with 2% nano-SiO2 demonstrated the best physical and mechanical properties. It is related to better distribution and compaction of particles during compression without particles agglomerating. A higher property of 2%-nano-SiO2 content rice-husk-cement boards was confirmed by their higher hydration temperature. Addition of 3% nano-SiO2 to the mixture reduced the density because of both the substitution of denser cement particles by lighter nano-SiO2 particles and air-entrapment in the boards. Furthermore, Scanning Electron Microscopy (SEM) analyses showed that the optimum amount of nano-SiO2 (2%) can fill micro pores and make a uniform structure with a rough surface which improves properties of composite boards. |
topic |
cement boards nano-sio2 rice husk old corrugated container (occ) sem |
url |
http://www.ijcce.ac.ir/article_14755_2afe52df9bc2800ff82f763a3699b784.pdf |
work_keys_str_mv |
AT faranakmohammadkazemi ricehuskandoldcorrugatedcontainercementboardsperformanceofnanosio2onstrengthanddimensionalstability AT kazemdoosthoseini ricehuskandoldcorrugatedcontainercementboardsperformanceofnanosio2onstrengthanddimensionalstability |
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