Investigation on physical and mechanical performance of wood-based composites after laboratory accelerated aging

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Yusefi Lonbar S.; TALAEI A.; REZVANI M.H.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES Year:2018 | Volume:9 | Issue:1 Page(s): 103-115

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Title

Investigation on physical and mechanical performance of wood-based composites after laboratory accelerated aging

Author(s)

Yusefi Lonbar S. | TALAEI A. | REZVANI M.H. | Issue Writer Certificate

Keywords

accelerated agingQ1

wood-based compositeQ1

physical and mechanical propertiesQ2

Abstract

The aim of current study was to determine the physical and mechanical properties of wood-based composites commonly used in Iran’ s market before and after accelerated aging. accelerated aging process was performed based on ASTM D1037. Specimens of particleboard and medium-density fiberboard (MDF) made of wood and bagasse were obtained from various factories. Physical properties including density, water uptake and thickness swelling (after long-term water soaking), and mechanical properties including flexural strength, modulus of elasticity and internal bonding before and after aging were studied. The most density loss was observed in MDF after aging, while particleboard specimens were less damaged. Water absorption and thickness swelling of MDF specimens were less than those of particleboards during long immersion, due to the smoother surface and lower permeability. After aging, water uptake and swelling increased in all boards due to hydrolysis of resin and bulking of the boards. After aging process, highest reduction in flexural strength and modulus of elasticity was observed in MDF although a significant reduction was observed in particleboard. Internal bonding of specimens were higher than standard level before aging process; but this property decreased significantly after aging, due to hydrolysis of resin in alternating drying-wetting conditions.

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APA: Copy

Yusefi Lonbar, S., TALAEI, A., & REZVANI, M.H.. (2018). Investigation on physical and mechanical performance of wood-based composites after laboratory accelerated aging. IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES, 9(1 ), 103-115. SID. https://sid.ir/paper/371657/en

Vancouver: Copy

Yusefi Lonbar S., TALAEI A., REZVANI M.H.. Investigation on physical and mechanical performance of wood-based composites after laboratory accelerated aging. IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES[Internet]. 2018;9(1 ):103-115. Available from: https://sid.ir/paper/371657/en

IEEE: Copy

S. Yusefi Lonbar, A. TALAEI, and M.H. REZVANI, “Investigation on physical and mechanical performance of wood-based composites after laboratory accelerated aging,” IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES, vol. 9, no. 1 , pp. 103–115, 2018, [Online]. Available: https://sid.ir/paper/371657/en

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