Evaluation of the fracture toughness of wood welded connections: Measurement of the energy release rate by the method of experimental compliance

Ganne-Chédeville, Christelle; Duchanois, Gilles; Pizzi, Antonio; Pichelin, Frédéric; Properzi, Milena; Leban, Jean-Michel (2008). Evaluation of the fracture toughness of wood welded connections: Measurement of the energy release rate by the method of experimental compliance In: World Conference on Timber Engineering (WCTE 2008).

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The energy release rates of beech specimens bonded by linear friction welding were determined using double cantilever beam (DCB) tests. The analysis of the results was carried out with the experimental compliance method, which is based on the linear-elastic fracture mechanics. The compliance relation was approximated to a third-order polynomial equation for smoothing and followed by calculation of least squares. This analysis method had not been previously used for glued connections in mode I. It proved to be an ideal method for the results obtained from the study of the energy release rates of the welded joints. The value of the energy release rate GIc obtained is, on average, 106 J/m 2 . The variation in the results is less than for most energy release rates of the wood-adhesive couples studied previously using beech. This proved that this method of measurement of the energy release rate adapts well to DCB wood welded specimens. It is the first time that fracture mechanics is applied to the study of linear friction welded wood joints.

Item Type:	Conference or Workshop Item (Paper)
Division/Institute:	School of Architecture, Wood and Civil Engineering School of Architecture, Wood and Civil Engineering > Institute for Materials and Wood Technology BFH Centres and strategic thematic fields > BFH Centre for Wood - Resource and Material
Name:	Ganne-Chédeville, Christelle0000-0003-1000-6759; Duchanois, Gilles; Pizzi, Antonio; Pichelin, Frédéric0000-0003-3856-6707; Properzi, Milena and Leban, Jean-Michel
Subjects:	Q Science > Q Science (General) T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery
ISBN:	978 1 615 67088 8
Language:	English
Submitter:	Christelle Ganne-Chédeville
Date Deposited:	04 Mar 2020 15:42
Last Modified:	12 Jan 2021 21:45
ARBOR DOI:	10.24451/arbor.9461
URI:	https://arbor.bfh.ch/id/eprint/9461