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Investigating the interaction between internal structural changes and water sorption of MDF and OSB using X-ray computed tomography

(2018) WOOD SCIENCE AND TECHNOLOGY. 52(3). p.701-716
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Abstract
Both medium density fiberboard (MDF) and oriented strand board (OSB) are increasingly used in construction, yet when exposed, water sorption can cause internal structural changes, as such decreasing mechanical strength and increasing decay risk. It is, therefore, essential to understand the interaction between structural changes and water sorption of MDF and OSB. Detailed water sorption behavior and related structural changes in two types of MDF and two types of OSB were periodically monitored using a gantry-based X-ray CT scanner. Water sorption causes local swelling in MDF, resulting in reduced swelling or even shrinkage in neighboring regions. Then again, local shrinkage can increase water resistance and possibly decrease water content locally. Obviously, local swelling results in structural changes. Such structural changes predominantly seem to appear in the transition area between high and low porosity regions. Structural changes, such as glue bonding detachment and cracking, could facilitate water intake in both MDF and OSB. For the studied T-MDF and OSB-A, the relative position of wood fibers/strands and the volume of the voids hardly changed during water sorption, which probably contributes to the decrease in water sorption along newly formed cracks and voids induced by structural changes.
Keywords
DENSITY, BEHAVIOR, PLYWOOD, BOARD

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MLA
Li, Wanzhao, Jan Van den Bulcke, Jelle Dhaene, et al. “Investigating the Interaction Between Internal Structural Changes and Water Sorption of MDF and OSB Using X-ray Computed Tomography.” WOOD SCIENCE AND TECHNOLOGY 52.3 (2018): 701–716. Print.
APA
Li, Wanzhao, Van den Bulcke, J., Dhaene, J., Zhan, X., Mei, C., & Van Acker, J. (2018). Investigating the interaction between internal structural changes and water sorption of MDF and OSB using X-ray computed tomography. WOOD SCIENCE AND TECHNOLOGY, 52(3), 701–716.
Chicago author-date
Li, Wanzhao, Jan Van den Bulcke, Jelle Dhaene, Xianxu Zhan, Changtong Mei, and Joris Van Acker. 2018. “Investigating the Interaction Between Internal Structural Changes and Water Sorption of MDF and OSB Using X-ray Computed Tomography.” Wood Science and Technology 52 (3): 701–716.
Chicago author-date (all authors)
Li, Wanzhao, Jan Van den Bulcke, Jelle Dhaene, Xianxu Zhan, Changtong Mei, and Joris Van Acker. 2018. “Investigating the Interaction Between Internal Structural Changes and Water Sorption of MDF and OSB Using X-ray Computed Tomography.” Wood Science and Technology 52 (3): 701–716.
Vancouver
1.
Li W, Van den Bulcke J, Dhaene J, Zhan X, Mei C, Van Acker J. Investigating the interaction between internal structural changes and water sorption of MDF and OSB using X-ray computed tomography. WOOD SCIENCE AND TECHNOLOGY. 2018;52(3):701–16.
IEEE
[1]
W. Li, J. Van den Bulcke, J. Dhaene, X. Zhan, C. Mei, and J. Van Acker, “Investigating the interaction between internal structural changes and water sorption of MDF and OSB using X-ray computed tomography,” WOOD SCIENCE AND TECHNOLOGY, vol. 52, no. 3, pp. 701–716, 2018.
@article{8580613,
  abstract     = {Both medium density fiberboard (MDF) and oriented strand board (OSB) are increasingly used in construction, yet when exposed, water sorption can cause internal structural changes, as such decreasing mechanical strength and increasing decay risk. It is, therefore, essential to understand the interaction between structural changes and water sorption of MDF and OSB. Detailed water sorption behavior and related structural changes in two types of MDF and two types of OSB were periodically monitored using a gantry-based X-ray CT scanner. Water sorption causes local swelling in MDF, resulting in reduced swelling or even shrinkage in neighboring regions. Then again, local shrinkage can increase water resistance and possibly decrease water content locally. Obviously, local swelling results in structural changes. Such structural changes predominantly seem to appear in the transition area between high and low porosity regions. Structural changes, such as glue bonding detachment and cracking, could facilitate water intake in both MDF and OSB. For the studied T-MDF and OSB-A, the relative position of wood fibers/strands and the volume of the voids hardly changed during water sorption, which probably contributes to the decrease in water sorption along newly formed cracks and voids induced by structural changes.},
  author       = {Li, Wanzhao and Van den Bulcke, Jan and Dhaene, Jelle and Zhan, Xianxu and Mei, Changtong and Van Acker, Joris},
  issn         = {0043-7719},
  journal      = {WOOD SCIENCE AND TECHNOLOGY},
  keywords     = {DENSITY,BEHAVIOR,PLYWOOD,BOARD},
  language     = {eng},
  number       = {3},
  pages        = {701--716},
  title        = {Investigating the interaction between internal structural changes and water sorption of MDF and OSB using X-ray computed tomography},
  url          = {http://dx.doi.org/10.1007/s00226-018-0992-3},
  volume       = {52},
  year         = {2018},
}

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