The construction of a solar sail from commercially available metallized film presents several challenges. The solar sail membrane is made by seaming together strips of metallized polymer film. This requires seaming together a preselected width and thickness of a base material into the required geometry, and folding the assembled sail membranes into a small stowage volume prior to launch. The sail membranes must have additional features for connecting to rigid structural elements (e.g., sail booms) and must be electrically grounded to the spacecraft bus to prevent charge build up. Space durability of the material and mechanical interfaces of the sail membrane assemblies will be critical for the success of any solar sail mission. In this study, interfaces of polymer/metal joints in a representative solar sail membrane assembly were tested to ensure that the adhesive interfaces and the fastening grommets could withstand the temperature range and expected loads required for mission success. Various adhesion methods, such as surface treatment, commercial adhesives, and fastening systems, were experimentally evaluated and will be discussed.


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    Titel :

    Durability Characterization of Mechanical Interfaces in Solar Sail Membrane Structures


    Beteiligte:
    Kang, Jin Ho (Autor:in) / Gordon, Keith (Autor:in) / Bryant, Robert (Autor:in) / Stohlman, Olive (Autor:in) / Wilkie, W. Keats (Autor:in) / Stark, Amanda (Autor:in) / Barfield, Randall (Autor:in) / Sindle, Benjamin (Autor:in) / Finckenor, Miria (Autor:in) / Craven, Paul (Autor:in)

    Kongress:

    International Symposium on Solar Sailing (ISSS 2019) ; 2019 ; Aachen, Germany


    Erscheinungsdatum :

    2019-07-30


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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