AbstractThe Isothermal Dendritic Growth Experiment (IDGE) has been designed to provide microgravity data on dendritic growth for a critical test of theory. This paper updates our progress on constructing a crystal growth chamber suitable for space flight. The IDGE chamber is constructed from glass and stainless steel and is hermetically sealed by electron beam welds and glass-metal seals. Initial tests of the chambers sample's melting point plateau show that the new chamber design is capable of preserving the 99.9995 pct purity of succinonitrile (SCN). One can initiate dendrite growth in the center of the IDGE chamber by means of thermo-electric coolers and a capillary injector tube (stinger). The new IDGE chamber is ready for fully integrated tests with the prototype IDGE engineering hardware at NASA's Lewis Research Center.


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    Titel :

    Isothermal dendritic growth experiment: Science, engineering, and hardware development for USMP space flights


    Beteiligte:
    Glicksman, M.E. (Autor:in) / Hahn, R.C. (Autor:in) / Koss, M.B. (Autor:in) / Tirmizi, S.H. (Autor:in) / Selleck, M.E. (Autor:in) / Velosa, A. (Autor:in) / Winsa, E. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1991-01-01


    Format / Umfang :

    5 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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