A project to investigate space environment effects on specific materials with interest to remote sensing was initiated in 2016. The goal of the project is to better characterize changes in the optical properties of polymers found in multi-layered spacecraft insulation (MLI) induced by electron bombardment. Previous analysis shows that chemical bonds break and potentially reform when exposed to high energy electrons like those seen in orbit. These chemical changes have been shown to alter a material's optical reflectance, among other material properties. This paper presents the initial experimental results of MLI materials exposed to various fluences of high energy electrons, designed to simulate a portion of the geosynchronous Earth orbit (GEO) space environment. It is shown that the spectral reflectance of some of the tested materials changes as a function of electron dose. These results provide an experimental benchmark for analysis of aging effects on satellite systems which can be used to improve remote sensing and space situational awareness. They also provide preliminary analysis on those materials that are most likely to comprise the high area-to-mass ratio (HAMR) population of space debris in the geosynchronous orbit environment. Finally, the results presented in this paper serve as a proof of concept for simulated environmental aging of spacecraft polymers that should lead to more experiments using a larger subset of spacecraft materials.


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    Titel :

    Space Weathering Experiments on Spacecraft Materials


    Beteiligte:
    Engelhart, D. P. (Autor:in) / Cooper, R. (Autor:in) / Cowardin, H. (Autor:in) / Maxwell, J. (Autor:in) / Plis, E. (Autor:in) / Ferguson, D. (Autor:in) / Barton, D. (Autor:in) / Schiefer, S. (Autor:in) / Hoffmann, R. (Autor:in)

    Kongress:

    Advanced Maui Optical and Space Surveillance Technologies Conference (AMOS) ; 2017 ; Maui, HI, United States


    Erscheinungsdatum :

    2017-09-19


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Space Weathering Experiments on Spacecraft Materials

    Engelhart, D. P. / Cooper, R. / Cowardin, H. et al. | Springer Verlag | 2019


    Space Weathering Experiments on Spacecraft Materials

    Engelhart, D. P. / Cooper, R. / Cowardin, H. et al. | Online Contents | 2019


    Space Weathering Experiments on Spacecraft Materials

    Engelhart, D. P. | British Library Conference Proceedings | 2017