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  • 1990-1994  (5)
  • 1940-1944  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Creep-induced magnetic anisotropy in a Co-rich amorphous wire (1994)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 76 (1994), S. 5343-5348 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Magnetic anisotropy of amorphous (Fe0.06Co0.94)72.5Si12.5B15 wire induced by current annealing under applied stress is investigated. The anisotropy constant is determined either from the axial or circular ac hysteresis loop, depending on the sign of the anisotropy constant. At low annealing temperatures and short annealing times weak easy-wire-axis anisotropy is observed. With increasing time and temperature of annealing hard-wire-axis anisotropy develops. Relaxation annealing without stress causes change of the sign of anisotropy constant. The induced anisotropy, however, is fully reversible indicating that plastic strain does not contribute to creep-induced magnetic anisotropy. A simple bond-orientational-anisotropy model, proposed to explain the observed behavior, assumes that competition between opposite contributions of two different kinds of excess atomic bonds is responsible for creep-induced anisotropy of this alloy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.357187
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Tensor components of the magnetization in a twisted Fe-rich amorphous wire : 38th Annual Conference on Magnetism and Magnetic Materials (1994)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 75 (1994), S. 6952-6954 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Four components of the susceptibility tensor of a high magnetostrictive amorphous Fe77.5Si7.5B15 wire are investigated by means of ac hysteresis loop measurements. The samples have been carefully annealed in order to eliminate the internal stresses produced during the quenching. When tensile stress and/or torsion are applied bistable magnetic behavior with a large Barkhausen jump is observed. The effect of applied torque on the longitudinal and circular components of remanence magnetization and on the longitudinal and circular coercive fields is studied for different constant values of tensile stress. With increasing torque the axial and circular components of remanence decrease and increase, respectively, approaching the limit value of 0.71 Ms. The axial coercive fields for the axial and radial magnetization components coincide. They are nearly constant at low torsion and above same threshold value, depending on applied stress, follow approximately a square-root dependence on applied torque. When tensile stress is applied the circular coercive fields show a well pronounced minimum at the same threshold torque. The experimental results are interpreted by taking into account the axial and helical components of magnetic anisotropy induced by magnetoelastic coupling.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.356792
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Über große Cholesteatome (1941)
    Springer
    European archives of oto-rhino-laryngology and head & neck 149 (1941), S. 46-55 
    Details
    ISSN: 1434-4726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung Beschreibung von zwei großen Cholesteatomen, die vorwiegend in die Felsenbeinpyramide hineingewachsen waren. Die letzte Ursache für dieses eigenartige Wachstum ist uns noch unbekannt. Diagnostisch ähneln derartige Fälle primären Cholesteatomen. Die Ausdehnung dieser Prozesse festzustellen ist weder otoskopisch noch durch klinische Beobachtung allein, sondern nur mit Hilfe des Röntgenverfahrens möglich. Die Operation wird in den meisten Fällen keine Schwierigkeiten bereiten. Die lange Dauer der Nachbehandlung ist gegeben durch die Gräoße der Höhlen, das Starrbleiben der Wände und in einer Verengungstendenz in den lateralen Teilen der Wunde. Eine Fäullung der Höhle mit Kontrastmittel ist nicht empfehlenswert.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01983382
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Creep-Induced Magnetic Anisotropy in Amorphous (Co〈sub〉x〈/sub〉Fe〈sub〉1-x〈/sub〉)〈sub〉85〈/sub〉B〈sub〉15〈/sub〉 Alloys (1993)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 81-83 (Jan. 1993), p. 425-430 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/58/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.81-83.425.pdf
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  • 5
    Electronic Resource
    Electronic Resource
    Magnetic Properties of an Amorphous Bimetal Ribbon (1993)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 81-83 (Jan. 1993), p. 457-462 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/58/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.81-83.457.pdf
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Creep-induced magnetic anisotropy in Co-57Fe-Ni-Si-B amorphous alloys (1994)
    Springer
    Hyperfine interactions 83 (1994), S. 275-280 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The effect of creep annealing on the57Fe enriched Co-rich low magnetostriction amorphous alloys will be reported. Contrary to the Fe-B-base alloys, after creep annealing of the57Fe5Co57Ni10Si11B17 the ribbon axis becomes the hard direction. Both Mössbauer spectroscopy and direct magnetic domain observations by SEM confirmed an enhanced volume with magnetization oriented in transversal and normal directions to the ribbon axis. Relaxation of the creep-induced state at a temperature slightly below that of the creep annealing leads to the enhancement of the fraction of domains magnetized in the longitudinal direction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02074285
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    Paper (German National Licenses)
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