Adhesive penetration in beech wood: experiments

A study with synchrotron radiation X-ray tomographic microscopy (SRXTM) of PUR, PVAc, and UF adhesive bond lines in beech wood, bonded under various growth ring angles, is presented. The bond line morphologies and the adhesive penetration into the wood structure were evaluated after determining the...

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Bibliographic Details
Published in:Wood science and technology 2012, Vol.46 (1-3), p.243-256
Main Authors: Hass, Philipp, Wittel, Falk K, Mendoza, Miller, Herrmann, Hans J, Niemz, Peter
Format: Article
Language:English
Subjects:
Adhesion tests
Adhesive bonding
Adhesives
Beech
Biomedical and Life Sciences
Ceramics
Composites
Customer relations
Fagus
Glass
Growth rings
Life Sciences
Machines
Manufacturing
microscopy
Morphology
Natural Materials
Original
Penetration depth
Polyvinyl acetates
Processes
Synchrotron radiation
Wood
wood anatomy
Wood Science & Technology
X-radiation
X-rays
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Description
Summary:A study with synchrotron radiation X-ray tomographic microscopy (SRXTM) of PUR, PVAc, and UF adhesive bond lines in beech wood, bonded under various growth ring angles, is presented. The bond line morphologies and the adhesive penetration into the wood structure were evaluated after determining the hardening characteristics of the adhesives. Distinct bond line imperfections were found for the different adhesive systems. To describe the adhesive distribution inside the bond line, the saturation of the pore space instead of the commonly used maximum penetration depth seems to be adequate.
ISSN:0043-7719
1432-5225
DOI:10.1007/s00226-011-0410-6