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Article Dans Une Revue NDT & E International Année : 2001

Using a digital X-ray imaging device to measure the swelling coefficients of a group of wood cells

Mesures de coefficients de retrait d'un groupe de cellules de bois par imagerie à rayons X

Résumé

An experimental device has been developed to perform numerical X-ray images by direct projection of samples made of a group of wood cells. This device consists of a micro-focus X-rays source, a scintillator and a cooled CCD camera. The dimensions are adapted to anatomical structure of wood. A speci®c climatic chamber has been conceived to control the moisture content of the sample. Experiments consist in imaging the sample at different humidity conditions. After pre-processing, a program compares two images and allows the bidimensional strain field to be determined. The shrinkage coef®cients obtained by this protocol are representative of the unrestrained shrinkage properties of the wood sample.
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Dates et versions

hal-01609069 , version 1 (28-11-2017)

Identifiants

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Eric Badel, P. Perré. Using a digital X-ray imaging device to measure the swelling coefficients of a group of wood cells. NDT & E International, 2001, 34 (5), pp.345-353. ⟨10.1016/S0963-8695(00)00072-4⟩. ⟨hal-01609069⟩
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