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Effect of adhesive type and glue-line thickness on the fatigue strength of mortise and tenon furniture joints
Authors:Jegatheswaran Ratnasingam  Florin Ioras
Affiliation:1. Faculty of Forestry, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
2. Centre for Sustainability Studies, Buckinghamshire New University, Queen Alexandra Road, High Wycombe, HP 11 2 JZ, Buckinghamshire, UK
Abstract:The fatigue strength of rectangular mortise and tenon rubberwood furniture joints made from polyvinyl-acetate (PVAc) and urea-formaldehyde (UF) adhesives were compared. The results showed that the allowable design stress for PVAc adhesive joints could be set at 30 % of its ultimate bending moment as compared to 25 % for the UF adhesive joint. Further, PVAc adhesive joints have large working tolerances for glue-line thicknesses which make it suitable for mass production furniture manufacturing.
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