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Author  |
Bardet, S.; Beauchêne, J.; Gril, J. |
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Title |
Influence of temperature on the transverse behaviour in water-saturated state of tropical wood species |
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Conference Article |
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Year |
2002 |
Publication |
Sustainable utilization of tropical forest resources : proceedings of the fourth international wood science |
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Pages |
51-56 |
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Keywords |
Rheology; Wood; Viscoelasticity; Compression Tests; Temperature; Modelling |
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Abstract |
The influence of temperature on the transverse viscoelastic behaviour of green wood was characterised by the apparent radial modulus (ER) in a quasi-static compression test. The glassy transition temperature of 10 tropical species (basic density between 0.2 and 0.9) varied between 53 and 69°C. The influence of both temperature and strain rate was observed on Bocoa prouacensis (Aubl.). The use of an approximated complex diagram revealed a secondary viscoelastic process occurring in the low temperature range. A multiparabolic model, where each parabolic element was replaced by a generalised Maxwell model with a modified-Gaussian relaxation spectrum, was fitted to the observed behaviour in the time range of 0.01 to 100 sec and temperature of 10 to 90°C. |
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Publisher |
Research Center for Physics |
Place of Publication |
Serpong, Indonesia |
Editor |
Dwianto, W.; Yusuf, S.; Hermiati, E.; Suryanegara, L. |
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Conference |
2-5 September 2002 |
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Call Number |
EcoFoG @ webmaster @ 48 |
Serial |
23 |
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