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  • thermophysical properties  (2)
  • polysilazane  (1)
  • 1
    Electronic Resource
    Electronic Resource
    A PC program to standardize the description of measurement results of thermophysical properties of solids (1996)
    Springer
    International journal of thermophysics 17 (1996), S. 233-238 
    Details
    ISSN: 1572-9567
    Keywords: database ; input program ; thermophysical properties
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract One of the most serious problems of factual databases is the data input, especially when the relation between the properties of interest and the material or experimental parameters is complex. In order to enable data input in the field of thermophysical properties, a new special PC program has been developed, which facilitates the data input by means of a windows technique. In these windows, the user is presented with input fields where alphanumerical values or integers can be inserted corresponding to a given list of descriptors. In principle, this list can be extended by each user. The problem, however, is then to keep all other users informed about the updated list of descriptors. It is intended to establish a community of users of this programme for the purposes of standardization of data input and acceleration of information exchange about measurement results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01448225
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  • 2
    Electronic Resource
    Electronic Resource
    Problems of data input into a data base for thermophysical properties (1989)
    Springer
    International journal of thermophysics 10 (1989), S. 749-763 
    Details
    ISSN: 1572-9567
    Keywords: data base ; data evaluation ; thermophysical properties
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract THERSYST is a data base especially designed for the storage, handling, and presentation of thermophysical property data. Great effort has been spent to enable the storage of the complete relevant information on the material and the experimental conditions. A modular system of evaluation programs allows one to combine measured data with any describing data, to convert stored values to others with the help of given formula, or to transform parameters to variables. Finally, all these data can be listed and plotted in many ways. An essential time factor and source of error during storage of data are produced by the extraction of the information from the literature. In many cases the kind of presentation is not appropriate for the data transfer into the data base. A form of presentation which facilitates the literature evaluation for the data input is proposed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00507994
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  • 3
    Electronic Resource
    Electronic Resource
    Spectral and Total Emissivity of High-Temperature Materials (1998)
    Springer
    International journal of thermophysics 19 (1998), S. 917-929 
    Details
    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
    URL: http://dx.doi.org/10.1023/A:1022607426413
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