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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of thermal analysis and calorimetry 38 (1992), S. 781-788 
    ISSN: 1572-8943
    Keywords: databank THERSYST ; light metal alloys
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Die thermophysikalischen Eigenschaften fester Aluminium-, Magnesium- und Titanlegierungen werden aus der Literatur gesammelt und neue Messungen sind innerhalb eines europäischen Projekts (COST 507D) im Gange. In Marseille werden spezifische Wärme-kapazitäten für binäre und ternäre Aluminium- und Titanlegierungen zwischen 20° und 600°C aus dynamischer Differenzkalorimetrie und Wärmeinhaltsmessungen mit Hilfe einer Fallmethode bestimmt; daraus ergeben sich die Enthalpien, die Bildung und Auflösung metastabiler und stabiler Phasen begleiten. Alle Ergebnisse werden in die Datenbank THERSYST mit genauer Angabe der untersuchten Stoffe und der Versuchsbedingungen gespeichert. Spezielle Module erlauben die Datenauswahl, -wiedergabe und -manipulierung gemäss Verwenderkriterien.
    Notes: Abstract The thermophysical properties of solid aluminium, magnesium and titanium alloys are extracted from literature and new measurements performed within a European concerted action (CONST 507D). In Marseille, heat capacity values for binary and ternary aluminium alloys as well as for industrial aluminium and titanium alloys are assessed between 20° and 600°C from DSC and heat content measurements using a drop method; enthalpies accompanying the precipitation and dissolution of metastable and stable phases are determined. All values are stored into the databank THERSYST together with detailed description of the materials and of the experimental conditions. Special modules enable the data selection, representation and manipulation according to the user's criteria.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    International journal of thermophysics 19 (1998), S. 917-929 
    ISSN: 1572-9567
    Keywords: coatings ; C/C–SiC composites ; emissivity ; oxidation protection ; polysilazane ; reference materials ; SiC coatings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A number of various high emissivity coatings has been investigated in detail. Oxide ceramic coatings for rotating x-ray anodes must have a total emissivity greater than 0.8 in order to ensure efficient cooling in vacuum. Only one of the investigated coatings showed sufficient long-term stability. For thermal protection of reusable space transportation systems during atmospheric reentry, in addition to high emissivity, oxidation resistance is required. SiC coatings and special polysilazane-based coatings have been tested. Results of emissivity measurements before and after flight experiments on the Russian FOTON capsule are also available. In order to improve the reliability of (high-temperature) emissivity measurements Pt–Rh alloys, SiC, Al2O3 doped with Cr2O3, and graphite have been tested to assess applicability as reference materials for comparative emissivity measurements by various facilities.
    Type of Medium: Electronic Resource
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