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  • Articles  (2)
  • BaFe12O19 hexaferrite  (1)
  • Chemistry  (1)
  • Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics  (2)
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  • Articles  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Effect of diamagnetic substitutions in BaFe12O19 on the magnetic properties (1974)
    Springer
    Applied physics 3 (1974), S. 131-134 
    Details
    ISSN: 1432-0630
    Keywords: BaFe12O19 hexaferrite ; Diamagnetic substitutions ; Hard magnetic properties
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The exchange parameters of BaFe12O19 have been calculated from the temperature dependence of the saturation magnetization using the molecular field theory. Under the assumption that the exchange parameters do not change for diamagnetic substitutions of the Fe3+ ions, it is shown that the temperature coefficient of the magnetization at room temperature cannot be decreased without decreasing the magnetization. Diamagnetic substitution in the octahedralf 2 site would solely increase the saturation magnetization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00884410
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Tetrabromophthalic anhydride in self-extinguishing polyesters (1969)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 13 (1969), S. 535-540 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Polyesters based on tetrabromophthalic anhydride are self-extinguishing in the range of 8-12% bromine content and nonburning at higher levels of the latter. An increase in bromine content results in higher flexural and tensile strenght and flexural modulus, while impact resistance is slightly reduced. Mechanical Properties vary with bromine content in the 0-12% range and remain practically unaffected at higher levels up to 23%.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1969.070130313
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    Paper (German National Licenses)
    Fulltext
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