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Caracterización de propiedades mecánicas de paneles sándwich de polietileno y espuma polietileno/poliuretano

Authors: García Torres, Diego;

Caracterización de propiedades mecánicas de paneles sándwich de polietileno y espuma polietileno/poliuretano

Abstract

[Resumen] Debido al gran aumento del uso del panel sándwich en la industria, es necesario conocer su comportamiento estructural., para lograr optimizar todo el potencial de este tipo de estructuras. Es necesario caracterizar las propiedades mecánicas de los materiales que constituyen el panel sándwich. En el presente trabajo se realiza un ensayo de flexión a 3 puntos para obtener el módulo elástico aparente y la resistencia a flexión según la norma UNE-ISO 1209-2:2007. También se ensaya una probeta de panel sándwich para recabar datos de su comportamiento y compararlos con los resultados obtenidos de la simulación por MEF. Al mismo tiempo se realiza un ensayo de fluencia en flexión para conseguir determinar si este tipo de estructuras presentan fluencia. Encargar este tipo de ensayos a laboratorios externos es muy caro debido la larga duración que conlleva. Por este motivo se realiza un ensayo de bajo coste para determinar aproximadamente si la fluencia es importante en este tipo de productos.

[Abstract] Due to the great increase in the use of the sandwich panel in the industry, it is necessary to know its structural behavior, in order to optimize the full potential of this type of structure. It is necessary to characterize the mechanical properties of the materials that make up the sandwich panel. In the present work, a 3-point bending test is carried out to obtain the apparent elastic modulus and the flexural strength according to the UNE-ISO 1209-2: 2007 standard. A sandwich panel test piece is also tested to collect data on its behavior and compare them with the results obtained from the simulation by MEF. At the same time, a fluence fluency test is carried out to determine if this type of structures have fluency. Entrusting this type of tests to external laboratories is very expensive due to the long duration involved. For this reason, a low-cost test is carried out to determine approximately whether creep is important in this type of product.

[Resumo] Debido ao gran incremento no uso do panel sándwich na industria, é necesario coñecer o seu comportamento estrutural, para obter todo o potencial deste tipo de estruturas. É necesario caracterizar as propiedades mecánicas dos materiais que compoñen o panel sándwich. No presente traballo realízase unha proba de flexión de 3 puntos para obter o módulo elástico aparente e a resistencia á flexión de acordo coa norma UNE-ISO 1209-2: 2007. Tamén se proba unha probeta de panel sándwich para recoller datos sobre o seu comportamento e comparalos cos resultados obtidos da simulación por MEF. Ao mesmo tempo, realízase unha proba de fluencia de fluidez para determinar se este tipo de estruturas teñen fluidez. Confiar este tipo de probas a laboratorios externos é moi caro debido ao longo tempo que implica. Por este motivo, lévase a cabo unha proba de baixo custo para determinar se a fluencia é importante neste tipo de productos.

Traballo fin de grao (UDC.EPS). Enxeñaría mecánica. Curso 2017/2018

Country
Spain
Related Organizations
Keywords

Materiales - Fluencia, Paneles de revestimiento, Polietileno

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green