Dimensional stability, fungal resistance and mechanical properties of radiata pine after combined thermo-mechanical compression and oil heat-treatment

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dc.contributor.authorDubey, M.K.
dc.contributor.authorPang, S.
dc.contributor.authorChauhan, S.S.
dc.contributor.authorWalker, J.
dc.date.accessioned2017-01-11T03:52:22Z
dc.date.available2017-01-11T03:52:22Z
dc.date.issued2016en
dc.description.abstractThis study investigated the dimensional stability and mechanical properties of thermo-mechanically compressed radiata pine (Pinus radiata) wood followed by oil heat-treatment. Wood specimens were first compressed in the radial direction then heat-treated in a linseed oil bath at 160 to 210˚C. Spring-back percentage, water repellence efficiencies and compression set recovery percentage were determined to examine the dimensional stability. The resistance of treated wood against a brown rot fungi was assessed from an accelerated laboratory fungal decay test. Strength, stiffness and hardness were determined and effect of different treatments was analysed. After thermo-mechanical compression of wood, high compression set (39%) was achieved without any surface checks and cracks. Specimens with thermo-mechanical compression followed by oil heat-treatment showed relatively less swelling and low compression set recovery in high moisture conditions. The fungal resistance of wood after the combined treatment of thermo-compression and oil heat-treatment also increased compared to untreated wood and wood treated using thermo-compression only. The mechanical properties of wood from combined thermo-mechanical compression and hot oil treatment were less than those of wood from “compressed only” but were still significantly better than those of the untreated wood.en
dc.identifier.citationDubey, M.K, Pang, S., Chauhan, S., Walker, J. (2016) Dimensional stability, fungal resistance and mechanical properties of radiata pine after combined thermo-mechanical compression and oil heat-treatment. Holzforschung.en
dc.identifier.doihttps://doi.org/10.1515/hf-2015-0174
dc.identifier.urihttp://hdl.handle.net/10092/13053
dc.language.isoen
dc.publisherUniversity of Canterbury. Chemical and Process Engineeringen
dc.publisherUniversity of Canterbury. School of Forestryen
dc.rights.urihttps://hdl.handle.net/10092/17651
dc.subjectcompression seten
dc.subjectfungal resistanceen
dc.subjectlinseed oilen
dc.subjectmechanical propertiesen
dc.subjectspring backen
dc.subjectthermal modification of wooden
dc.subjectthermo-mechanical compressionen
dc.subjectwater repellence efficiencyen
dc.subject.anzsrcFields of Research::34 - Chemical sciences::3405 - Organic chemistry::340502 - Natural products and bioactive compoundsen
dc.subject.anzsrcField of Research::07 - Agricultural and Veterinary Sciences::0705 - Forestry Sciencesen
dc.titleDimensional stability, fungal resistance and mechanical properties of radiata pine after combined thermo-mechanical compression and oil heat-treatmenten
dc.typeJournal Article
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