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Influence of temperature on the modulus of elasticity (MOE) of Pinus sylvestris L.
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P. Dias de Moraes
Veröffentlicht/Copyright:
1. Juni 2005
Abstract
The influence of temperature on the modulus of elasticity (MOE) and on the flexural stiffness of Pinus sylvestris L. was determined under temperature conditions ranging from 25 to 300°C for samples with a water content of about 6.0%. The experiments were carried out on microsamples, with a thermomechanical analyser, in isothermal conditions and under temperature ramping rates. The behaviour of the curves of the MOE is explained by wood drying and by the behaviour of the wood polymers as a function of temperature. The results obtained by thermomechanical analysis were validated by the results obtained by centre-point bending tests on small scale samples, which therefore allows for its use in modelling the behaviour of timber structures during a fire.
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Published Online: 2005-06-01
Published in Print: 2004-03-15
Copyright © 2004 by Walter de Gruyter GmbH & Co. KG
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Artikel in diesem Heft
- Variation in content and composition of lignin in young wood of Norway spruce
- Polyoxometalate oxidation of non-phenolic lignin subunits in water: Effect of substrate structure on reaction kinetics
- Organosolv pulping of olive tree trimmings by use of ethylene glycol/soda/water mixtures
- Cooperativity analysis of the in situ lignin glass transition
- Fitting parameters for softening of wet wood under quasi static loading
- Measurement of moisture content profiles during drying of Scots pine using magnetic resonance imaging
- Influence of temperature on the modulus of elasticity (MOE) of Pinus sylvestris L.
- A contact free measurement method to determine internal stress states in glulam
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- Variation in microfibril angle in Eucalyptus clones
- Durability of untreated Norway spruce (Picea abies) exposed outdoors above ground for nine years
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- Microbial colonizers of freshly sawn yellow-poplar (Liriodendron tulipifera L.) lumber in two seasons: Part 2. Bacteria
- Antifungal activity of constituents from the heartwood of Gmelina arborea: Part 1. Sensitive antifungal assay against Basidiomycetes
- Identification of volatile organic compounds (VOCs) from bacteria and yeast causing growth inhibition of sapstain fungi
- Identification of Serpula lacrymans and other decay fungi in construction timber by sequencing of ribosomal DNA – A practical approach
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