The Effects of Electron Beam Irradiation Dose on the Mechanical Performance of Red Maple (Acer rubrum)
To understand how electron beam irradiation affects wood physically and chemically, irradiated maple beams (Acer rubrum) and veneers were examined using three-point bend tests, dynamic mechanical analysis (DMA), and NIR- and FTIR- spectroscopy. The MOR from the bending tests revealed a significant d...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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North Carolina State University
2014-12-01
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| Series: | BioResources |
| Subjects: | |
| Online Access: | http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_10_1_956_Starr_Electron_Beam_Irradiation_Dose |
| _version_ | 1828808373735260160 |
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| author | Timothy Starr David P. Harper Timothy G. Rials |
| author_facet | Timothy Starr David P. Harper Timothy G. Rials |
| author_sort | Timothy Starr |
| collection | DOAJ |
| description | To understand how electron beam irradiation affects wood physically and chemically, irradiated maple beams (Acer rubrum) and veneers were examined using three-point bend tests, dynamic mechanical analysis (DMA), and NIR- and FTIR- spectroscopy. The MOR from the bending tests revealed a significant decline in the red maple’s strength after a dose of 80 kGy. DMA results showed evidence of crosslinking of the amorphous content of the wood at low doses, followed by degradation at higher doses, with the change in response occurring around 80 kGy. Infrared spectroscopy revealed that the components of wood that were most impacted were the phenolic hydroxyl structures of lignin and cellulose hydroxyls, with the greatest effects being seen after 80 kGy. |
| first_indexed | 2024-12-12T08:39:44Z |
| format | Article |
| id | doaj.art-69e550ac41a74a678b81e592991638c4 |
| institution | Directory Open Access Journal |
| issn | 1930-2126 1930-2126 |
| language | English |
| last_indexed | 2024-12-12T08:39:44Z |
| publishDate | 2014-12-01 |
| publisher | North Carolina State University |
| record_format | Article |
| series | BioResources |
| spelling | doaj.art-69e550ac41a74a678b81e592991638c42022-12-22T00:30:49ZengNorth Carolina State UniversityBioResources1930-21261930-21262014-12-0110195696910.15376/biores.10.1.956-969The Effects of Electron Beam Irradiation Dose on the Mechanical Performance of Red Maple (Acer rubrum)Timothy Starr0David P. Harper1Timothy G. Rials2The University of Tennessee; United StatesThe University of Tennessee; United StatesThe University of Tennessee; United StatesTo understand how electron beam irradiation affects wood physically and chemically, irradiated maple beams (Acer rubrum) and veneers were examined using three-point bend tests, dynamic mechanical analysis (DMA), and NIR- and FTIR- spectroscopy. The MOR from the bending tests revealed a significant decline in the red maple’s strength after a dose of 80 kGy. DMA results showed evidence of crosslinking of the amorphous content of the wood at low doses, followed by degradation at higher doses, with the change in response occurring around 80 kGy. Infrared spectroscopy revealed that the components of wood that were most impacted were the phenolic hydroxyl structures of lignin and cellulose hydroxyls, with the greatest effects being seen after 80 kGy.http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_10_1_956_Starr_Electron_Beam_Irradiation_DoseElectron beam radiationWoodPrincipal component analysisDynamic mechanical analysisNear infrared spectroscopyFourier transform infrared spectroscopy |
| spellingShingle | Timothy Starr David P. Harper Timothy G. Rials The Effects of Electron Beam Irradiation Dose on the Mechanical Performance of Red Maple (Acer rubrum) BioResources Electron beam radiation Wood Principal component analysis Dynamic mechanical analysis Near infrared spectroscopy Fourier transform infrared spectroscopy |
| title | The Effects of Electron Beam Irradiation Dose on the Mechanical Performance of Red Maple (Acer rubrum) |
| title_full | The Effects of Electron Beam Irradiation Dose on the Mechanical Performance of Red Maple (Acer rubrum) |
| title_fullStr | The Effects of Electron Beam Irradiation Dose on the Mechanical Performance of Red Maple (Acer rubrum) |
| title_full_unstemmed | The Effects of Electron Beam Irradiation Dose on the Mechanical Performance of Red Maple (Acer rubrum) |
| title_short | The Effects of Electron Beam Irradiation Dose on the Mechanical Performance of Red Maple (Acer rubrum) |
| title_sort | effects of electron beam irradiation dose on the mechanical performance of red maple acer rubrum |
| topic | Electron beam radiation Wood Principal component analysis Dynamic mechanical analysis Near infrared spectroscopy Fourier transform infrared spectroscopy |
| url | http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_10_1_956_Starr_Electron_Beam_Irradiation_Dose |
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