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WATER-RESISTANCE STUDY OF LINEAR FRICTION-WELDED THERMO- TREATED BEECH USING TOMOGRAPHY



Author(s): P. Lu, E. Baldenberger , P. Perré
Paper category: Proceedings
Book title: 3rd International Conference on Bio-Based Building Materials ICBBM 2019
Editor(s): Mohammed Sonebi and Sofiane Amziane
ISBN:
e-ISBN: 978-2-35158-229-9
Publisher: RILEM Publications SARL
Publication year: 2019
Pages: 492 - 495
Total Pages: 4
Language: English


Abstract: Water resistant property of linear friction-welded beech and thermo-treated beech samples were compared. X-ray tomographic anatomy illustrated that the interface of welded thermo-treated beech was narrow and compact due to removal of less thermo-stable components. A profound crack was noticed for welded beech after the first dry. For both samples, cracks started from the edge of the interface not the defects inside the joint and the latewood absorbed more water than the earlywood did. There was no evident deformation of cell wall and the joint during immersion and dry process. The welded beech finally split after two immersion-dry cycles which indicated the sample easily got affected and deteriorated in the presence of water, while application of thermal treatment helped to stabilize the welded joint against it.


Online publication: 2019
Publication type: full_text
Public price (Euros): 0.00


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