Publicación:
EFFECT OF THE LONGITUDINAL TENSILE CREEP ON THE STIFFNESS OF RADIATA PINE (PINUS RADIATA D. DON)

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dc.creatorOSWALDO JOSE ERAZO PUENTES
dc.creatorJUDITH ELIZABETH VERGARA FIGUEROA
dc.creatorWILLIAM ARNOLDO GACITÚA ESCOBAR
dc.date2022
dc.date.accessioned2025-01-10T15:30:19Z
dc.date.available2025-01-10T15:30:19Z
dc.date.issued2022
dc.description.abstractTHE INFLUENCE OF LOAD ON THE CELLULOSE MICROFIBRILS OF SINGLE CELLS OR THIN WOOD FOILS IS KNOWN. IT CAN DECREASE THE CELLULOSE MICROFIBRIL ANGLES AND, IN TURN, INCREASE THE STIFFNESS. HOWEVER, THIS MODIFICATION OF A PIECE OF WOOD, WHICH IS MADE UP OF MULTIPLE CELLS, IS UNKNOWN. THE AIM OF THIS RESEARCH WAS TO STUDY THE EFFECT OF TENSILE CREEP ON THE LONGITUDINAL STIFFNESS OF RADIATA PINE WOOD. THE MODULUS OF ELASTICITY OF EACH SPECIMEN WAS DETERMINED BEFORE AND AFTER BEING SUBJECTED TO TENSILE CREEP. THE SAMPLES WERE LOADED AT 1170 N AND 1530 N FOR 20 MIN AT 70 °C. THE LOAD WAS DETERMINED AS A FUNCTION OF A PERCENTAGE OF THE FORCE AT THE PROPORTIONAL LIMIT. THE MODULI OF ELASTICITY BEFORE AND POST-TENSILE CREEP SHOWED NO EFFECT ON THE STIFFNESS OF WOOD AT THE MACROSCOPIC LEVEL, BUT NEITHER WERE THERE DAMAGE TO THE CELL STRUCTURE. IT CAN BE ASSUMED THAT THERE ARE CHANGES AT THE MICROSCOPIC LEVEL, BUT THEY ARE NOT ENOUGH TO BE REFLECTED AT THE MACRO SCALE. IT IS ALSO CHALLENGING TO ACHIEVE THE MODIFICATIONS THAT OCCUR AT THE LEVEL OF A SINGLE CELL OR IN THIN WOOD FOILS; HOWEVER, THE IMPLICATIONS OF THIS WOULD BE FAVORABLE FOR THE DEVELOPMENT OF STRONGER WOOD-BASED PRODUCTS.
dc.formatapplication/pdf
dc.identifier.doi10.3390/ma15124314
dc.identifier.issn1996-1944
dc.identifier.issn1996-1944
dc.identifier.urihttps://repositorio.ubiobio.cl/handle/123456789/12331
dc.languagespa
dc.publisherMATERIALS
dc.relation.uri10.3390/ma15124314
dc.rightsPUBLICADA
dc.titleEFFECT OF THE LONGITUDINAL TENSILE CREEP ON THE STIFFNESS OF RADIATA PINE (PINUS RADIATA D. DON)
dc.title.alternativeEFECTO DE LA FLUENCIA LONGITUDINAL DE TRACCIÓN SOBRE LA RIGIDEZ DEL PINO RADIATA (PINUS RADIATA D. DON)
dc.typeARTÍCULO
dspace.entity.typePublication
ubb.EstadoPUBLICADA
ubb.Otra ReparticionDIRECCION DE INVESTIGACION Y CREACION ARTISTICA
ubb.Otra ReparticionPROGRAMA DE ASISTENCIA TECNICA CON CO-FINANCIAMIENTO
ubb.Otra ReparticionDEPARTAMENTO DE INGENIERIA EN MADERAS
ubb.SedeCONCEPCIÓN
ubb.SedeCONCEPCIÓN
ubb.SedeCONCEPCIÓN
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