Combined effects of ZnO particle deposition and heat treatment on dimensional stability and mechanical properties of poplar wood

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This article proposes a one-step wood modification method by combining the deposition of ZnO particles on wood surface and heat treatment.

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9 p.

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Cui, Wei; Zhang, Nannan; Xu, Min & Cai, Liping August 30, 2017.

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This article is part of the collection entitled: UNT Scholarly Works and was provided by UNT College of Arts and Sciences to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 14 times . More information about this article can be viewed below.

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This article proposes a one-step wood modification method by combining the deposition of ZnO particles on wood surface and heat treatment.

Physical Description

9 p.

Notes

Abstract: This study proposed a one-step wood modification method by combining the deposition of ZnO particles on wood surface and heat treatment. The effects of ZnO particles and heat treatment on mechanical properties and dimensional stability of poplar wood were examined. Samples were sorted into 4 groups, i.e., control, heat-treated, impregnation/heat-treated, and hydrothermal-treated samples. The mechanical properties and dimensional stability of impregnation/heat-treated and hydrothermal-treated wood samples were measured in comparison with those of the control and heat-treated wood samples. Compared with the control ones, the reduction of the flexural strength of the heat-treated, impregnation/heat-treated and hydrothermal-treated samples were about 11.57%, 8.53% and 15.90%, respectively. The modulus of elasticity of the heat-treated and hydrothermaltreated samples decreased by 13.78% and 23.78%, respectively, while the impregnation/heat-treated samples increased by about 8.57% due to the ZnO particles growth. The dimensional stabilities of the heat-treated, impregnated/heat-treated and hydrothermal-treated samples were improved in comparison with that of the control sample. All samples were characterized by the scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and X - ray diffraction (XRD).

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  • Scientific Reports, 2017. London, UK: Nature Publishing Group

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  • Publication Title: Scientific Reports
  • Volume: 7
  • Pages: 1-9
  • Peer Reviewed: Yes

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UNT Scholarly Works

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  • May 24, 2017

Accepted Date

  • August 11, 2017

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  • August 30, 2017

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  • Sept. 17, 2017, 6:24 p.m.

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Cui, Wei; Zhang, Nannan; Xu, Min & Cai, Liping. Combined effects of ZnO particle deposition and heat treatment on dimensional stability and mechanical properties of poplar wood, article, August 30, 2017; London, United Kingdom. (digital.library.unt.edu/ark:/67531/metadc993405/: accessed April 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Arts and Sciences.