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Title: Measurement of Dynamic Viscoelasticity of Full-Size Wood Composite Panels Using a Vibration Testing Method

Source: BioResources

Author(s)Guan, Cheng; Zhang, Houjiang; Hunt, John F.; Zhou, Lujing; Feng, Dan

Publication Year: 2016  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4706-2B

Abstract: The dynamic viscoelasticity of full-size wood composite panels (WCPs) under the free-free vibrational state were determined by a vibration testing method. Vibration detection tests were performed on 194 pieces of three types of full-size WCPs (particleboard, medium density fiberboard, and plywood (PW)). The dynamic viscoelasticity from smaller specimens cut from the panels was measured using a cantilever beam vibration test apparatus, and the two data sets were compared. A strong linear relationship was discovered between the dynamic viscoelasticity values measured by the vibration detection test and the cantilever beam vibration test. The storage modulus values of the panels were far higher than their loss modulus values, and PW panels had the smallest value of loss modulus. For the panels tested, density had a good linear impact on storage modulus. In comparison with density, logarithmic decrement had a greater linear impact on loss modulus. This study demonstrated that the vibration test method is a valid approach for determining the dynamic viscoelasticity of full-size WCPs.

Keywords: Full-size wood composite panel; Dynamic viscoelasticity; Storage modulus; Loss modulus

Publication Review Process: Formally Refereed

File size: 1,024 kb(s)

Date posted: 07/28/2016

This publication is also viewable on Treesearch:  view
RITS Product ID: 79759
Current FPL Scientist associated with this product
Hunt, John F.
Research General Engineer
  

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