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    Electronic Resource
    Electronic Resource
    Energy release in the reaction of metal powders with fluorine containing polymers (1997)
    Springer
    Journal of thermal analysis and calorimetry 49 (1997), S. 1699-1705 
    Details
    ISSN: 1572-8943
    Keywords: metal/halogen compounds ; pyrotechnics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Fluorine and its derivatives have been used as a substitute to oxygen-containing oxidizers in higher performing propellants and other energetic materials. They typically react rapidly with metals or thin oxide layers of the metals to produce metal fluorides, generally in the gaseous state. Thermal reactions of stoichiometric mixtures of metal (M=Al, Ti) -F containing polymers have been studied using thermal analyzers and their energetics are compared with the metals in other halogen element containing oxidizers. The experimental results indicated that thermal reaction becomes more exothermic as the bond strength between Al-X (X=F, Br, I) becomes stronger. It was also found that oxidation of metal powders is largely affected by the size of metal powders as well as the nature of existing oxide layer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01983730
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  • 2
    Electronic Resource
    Electronic Resource
    Prediction of shock response of pyrotechnic mixtures from thermal analysis (1997)
    Springer
    Journal of thermal analysis and calorimetry 50 (1997), S. 707-717 
    Details
    ISSN: 1572-8943
    Keywords: autoignition ; pyrotechnic mixtures ; shock initiation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The thermal behavior of metal, oxide, and oxidizer mixtures, some with fluorine compound additions, has been studied in order to examine the influence of thermal properties on the initiation conditions for chemical reaction of pyrotechnic powders under dynamic loading conditions. The autoignition energies of the mixtures obtained from thermal analyses were compared with shock initiation energies, determined from planar shock measurements. Although some mixtures showed an approximate equivalency between the energies obtained from the two different experiments, the experimental results indicated that any comparison should be made with great care.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01979201
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    Paper (German National Licenses)
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