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vol.6 número1INFLUENCIA DE LA MADERA JUVENIL DE PINO RADIATA SOBRE LAS PROPIEDADES MECÁNICAS DE TABLEROS OSBCARACTERIZACCIÓN DEL MDF PRODUCIDO A PARTIR DE EUCALIPTO Y ADHESIVO POLIURETANO NATURAL índice de autoresíndice de materiabúsqueda de artículos
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Maderas. Ciencia y tecnología

versión On-line ISSN 0718-221X

Resumen

MARTINEZ-ESPINOSA, Mariano  y  CALIL JR, Carlito. MECHANICS STRENGTH OF MEDIUM DENSITY FIBERBOARD: PART 2: ORTHOGONHAL POLYNOMIAL MODEL TO ESTIMATE THE FATIGUE STRENGTH IN THE TENSILE. Maderas, Cienc. tecnol. [online]. 2004, vol.6, n.1, pp.61-71. ISSN 0718-221X.  http://dx.doi.org/10.4067/S0718-221X2004000100005.

Medium Density Fiberboard (MDF), is a wood-base composite widely employed in several industrial applications, in addition to its use in timber structures subjected to dynamic load. The fatigue life of this material have been little attention by researches in the area. Therefore, the objective of this work is to present a orthogonal polynomial model to estimate the fatigue strength in the tensile of MDF subjected to stress. The results of the tests on specimens showed that the orthogonal polynomial model based on a central orthogonal composite design is a good estimator of the number of cycles as a function of the stress and frequency for both real and undetermined extrapolet values

Palabras clave : MDF; fatigue; orthogonal polynomial model.

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