Publicación:
CHEMICAL STRUCTURAL CHARACTERISTICS AND SOME MECHANICAL AND PHYSICAL PROPERTIES OF THERMALLY MODIFIED NOTHOFAGUS ALPINA THINNING WOOD FROM THREE DIFFERENT SILVICULTURAL CONDITIONS

dc.creatorRUBÉN ANDRÉS ANANÍAS ABUTER
dc.date2024
dc.date.accessioned2025-01-10T15:51:46Z
dc.date.available2025-01-10T15:51:46Z
dc.date.issued2024
dc.description.abstractTHERMAL MODIFICATION PROCESSES ARE ENVIRONMENTALLY FRIENDLY METHODS USED TO IMPROVE CERTAIN PROPERTIES OF WOOD. CURRENTLY, WOOD FROM THINNING OF YOUNG PLANTATIONS OF NOTHOFAGUS ALPINA (RAULÍ) IN CHILE IS BEING EVALUATED TO OBTAIN VALUE BEFORE THE PLANTATION HAS REACHED MATURITY. THE OBJECTIVE OF THIS PAPER WAS TO ASSESS SELECTED PROPERTIES OF THERMALLY MODIFIED WOOD OF YOUNG (14- TO 25-YEARS-OLD) N. ALPINA WOOD THAT COMES FROM THINNING OF TWO SITES WITH INTENSIVE SILVICULTURE AND ONE SIMILAR TO A SECONDARY GROWTH FOREST. TO ACHIEVE THIS, NON-DESTRUCTIVE TESTS WERE CARRIED OUT TO MEASURE SOME CHEMICAL-CRYSTALLINE CHARACTERISTICS, AS WELL AS PHYSICAL AND MECHANICAL PROPERTIES; THE DIFFERENCES BETWEEN THE 25%, 50%, AND 75% DISTANCE FROM PITH TO THE BARK IN EACH SITE WAS STUDIED. THE MODIFICATION TEMPERATURES USED WERE 170, 190, AND 210 °C. THE RESULTS SHOW THAT THINNING WOOD FROM N. ALPINA CAN BE THERMALLY MODIFIED WITH FAVORABLE RESULTS, THUS PRESENTING AN OPTION TO OBTAIN VALUE WHILE THE PLANTATION REACHES MATURITY, PARTICULARLY THE THINNING WOOD FROM THE INTENSIVE FORESTRY REGIMES, WHICH PRESENTED MOST HOMOGENEOUS RESULTS, ESPECIALLY AT THE MODIFICATION TEMPERATURE OF 190 °C.
dc.formatapplication/pdf
dc.identifier.doi10.15376/biores.19.3.6009-6024
dc.identifier.issn1930-2126
dc.identifier.issn1930-2126
dc.identifier.urihttps://repositorio.ubiobio.cl/handle/123456789/14001
dc.languagespa
dc.publisherBIORESOURCES
dc.relation.uri10.15376/biores.19.3.6009-6024
dc.rightsPUBLICADA
dc.subjectWood modification
dc.subjectSpectroscopy
dc.subjectPlantation hardwood
dc.subjectNon-destructive mechanical tests
dc.subjectCrystallinity
dc.titleCHEMICAL STRUCTURAL CHARACTERISTICS AND SOME MECHANICAL AND PHYSICAL PROPERTIES OF THERMALLY MODIFIED NOTHOFAGUS ALPINA THINNING WOOD FROM THREE DIFFERENT SILVICULTURAL CONDITIONS
dc.typeARTÍCULO
dspace.entity.typePublication
ubb.EstadoPUBLICADA
ubb.Otra ReparticionDEPARTAMENTO DE INGENIERIA EN MADERAS
ubb.SedeCONCEPCIÓN
Archivos