The industrialization of Fiber Metal Laminates (FML) was a reaction on the identification of the importance of the Widespread Fatigue phenomenon. FML's provide high strength fibers as second load path for the potentially fatigued metal. However, the composition of metal-, fiber- and resin type needs to be selected with care in order to design a balanced FML for the target application. The first commercially applied FML type, i.e. the combination of 2024T3 foils, S-glass fibers and FM94 resin, offers superior fatigue performances and significant weight savings compared with monolithic aluminium structures. However, the FML's can be further tailored for their specific applications. Airbus already qualified a second FML type which provides higher static strength at decreased fatigue performance levels. Matters of research for further weight and cost reduction are the application of low density alloys and an extended automated panel lay-up. Very important is the selection of the best fitting resin type, because it governs the de-lamination behaviour in the vicinity of fatigue cracks and consequently the load level of the crack bridging fibers. The research for the extension of the FML family is an ongoing process.


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    Title :

    Fiber metal laminates - a family concept


    Additional title:

    Faser-Metall-Laminate - ein Familienkonzept


    Contributors:


    Publication date :

    2006


    Size :

    5 Seiten, 5 Bilder, 3 Quellen


    Type of media :

    Conference paper


    Type of material :

    Storage medium


    Language :

    English




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