NDLI: Comportamiento a fatiga de uniones a solape simple de acero prepintado y galvanizado con adhesivo silano modificado

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Comportamiento a fatiga de uniones a solape simple de acero prepintado y galvanizado con adhesivo silano modificado

Content Provider	Semantic Scholar
Author	López, Raquel Bermejo López, Javier Oñoro
Copyright Year	2013
Abstract	(SPA) Se ha estudiado el comportamiento a fatiga de uniones adhesivas estructurales a solape simple. Los elementos estructurales fabricados en acero recubierto (galvanizado o pintado) sujetos a fluctuaciones de tensiones y deformaciones pueden fallar despues de un numero elevado de ciclos. El adhesivo silano modificado (MS) ha sido utilizado para la evaluacion de la resistencia mecanica y a la fatiga de uniones de chapa delgada de acero protegido. El objetivo de este trabajo es analizar la influencia del recubrimiento en el comportamiento a fatiga de las uniones adhesivas con silano modificado. Las mejores propiedades se obtuvieron para el acero galvanizado con fallo cohesivo. Los resultados muestran que la compatibilidad quimica del adhesivo y la capa galvanizada mejoran la adhesion de la union y la resistencia frente a cargas estaticas y dinamicas. Se ha obtenido el limite de fatiga para las uniones estudiadas. (ENG) The fatigue behaviour of single overlap of structural bonded joints was evaluated. Structural components made of thin coated steel (galvanised or painted) subjected to fluctuating stresses and strains may failure after a sufficient number of fluctuations. The modified silane adhesive (MS) has been used to evaluate the static and fatigue resistance of thin coated steel sheet joints. The aim of this paper is analyse the influence of coated on the fatigue behaviour of modified silane bonded joints. The best properties were obtained for galvanised steel with cohesive failure. The results show that chemical compatibility of adhesive and galvanized layer improve adhesion of joints and the mechanical resistance against static and dynamic loads. The fatigue limited has been obtained for joints studied.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://oa.upm.es/37908/1/INVE_MEM_2013_205884.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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