3D Modeling of the Elastic-Plastic Behavior of Thin Aeronautical Adhesive Films Suited for a Wide Range of Tensile/Compression-Shear Loads

Type Article
Date 2013-09
Language English
Author(s) Maurice Julien1, 2, Creac'Hcadec Romain2, Cognard Jean-Yves2, Davies PeterORCID3, Meirinhos Georges1, Mahdi Stephane1
Affiliation(s) 1 : Airbus Operat SAS, Toulouse, France.
2 : ENSTA Bretagne, LBMS, F-29806 Brest 9, France.
3 : IFREMER, Ctr Brest, Mat & Struct Grp, Plouzane, France.
Source Journal of Adhesion (0021-8464) (Taylor & Francis Ltd), 2013-09 , Vol. 89 , N. 9 , P. 727-751
DOI 10.1080/00218464.2012.750580
WOS© Times Cited 4
Keyword(s) Aeronautical, Mechanical properties of adhesives, Numerical modeling
Abstract Adhesive bonding is an interesting structural assembling technique for weight saving in modern commercial aircraft, in which the use of composites materials is increasing. In order to meet both optimization and respect of safety conception constraints, the development of accurate numerical strategies is required. Thus, improvement in the experimental characterization and in the design of reliable numerical tools for bonded assemblies is necessary. This paper presents the characterization of the elastic-plastic behaviour of four aeronautical adhesive films, consisting of two epoxy-based resins supported by two types of carrier. The characterization over a wide range of monotonic proportional tensile-shear loads is performed using a modified Arcan test device designed to strongly limit the influence of edge effects. Moreover, to obtain an accurate definition of the initial elastic limit of the adhesives, further experimental tests have been performed using a pressure vessel especially designed to study the influence of the hydrostatic stress. Inverse identification techniques using finite element analysis have been used to identify the material parameters of an elastic-plastic model based on the experimental results (the load-displacement curves). Results underline the potential of such a model to represent the non-linear behaviour of ductile adhesives under tensile/compression-shear proportional monotonic loads.
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Maurice Julien, Creac'Hcadec Romain, Cognard Jean-Yves, Davies Peter, Meirinhos Georges, Mahdi Stephane (2013). 3D Modeling of the Elastic-Plastic Behavior of Thin Aeronautical Adhesive Films Suited for a Wide Range of Tensile/Compression-Shear Loads. Journal of Adhesion, 89(9), 727-751. Publisher's official version : https://doi.org/10.1080/00218464.2012.750580 , Open Access version : https://archimer.ifremer.fr/doc/00142/25317/