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  • 1.
    Veronica, Berggren
    et al.
    Mälardalen University, School of Innovation, Design and Engineering.
    Malin, Gunnarsson
    Mälardalen University, School of Innovation, Design and Engineering.
    En analys av vilka utmaningar som finns för kompositmaterial inom flygindustrin2017Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Abstract

    Within the aircraft industry composite becomes more common, especially on primary structures. The purpose of this thesis has been to get a picture of the problems and challenges that exist today related to composite. This report has a maintenance perspective and an analyse have been done to find problems and challenges that the use of composite can result in. Advantages and disadvantages between aluminium alloys and composite have been investigated as well as a general comparison. Interviews have been performed with people of knowledge within the airline industry to find out the challenges and problems connected to particularly composite. Qualitative and open questions have been used in the interviews, the people who were interviewed had an opportunity to tell their own perspective. In addition to interviews a collection of information about aluminium alloys and composite have been done in articles, handbooks and web pages. As a result of the interviews and the gathering of facts, the problem formulation has been answered. The benefits with composite are shown to be a saving in weight, less corrosion and less demanding maintenance. On the other hand, there are disadvantages like harder to inspect, more expensive material and it require different skills compared to aluminium. At the same time, there are challenges like the repair of damage, more demanding of resources when repairing and difficulties with planning. Future challenges for composite is among other things to identify damages, this is something that is already a problem today. At the same time, it looks like the technical development is going forward to meet the problems that are with composite. This thesis has only observed the perspective of the civil aircraft, the perspective of the military and the private sector have not been investigated. The people who have been interviewed are engineers and technicians, aircraft manufacturers or people high up in the airline who makes decisions have not been contacted. I the future there may be a combination of new aluminium alloys and composite on the aircraft to optimize the construction. 

    Download full text (pdf)
    En analys av vilka utmaningar som finns för kompositmaterial inom flygindustrin
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