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  • 1995-1999  (2)
  • 1997  (2)
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  • 1995-1999  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Influence of magnetic field on the response of FeSiB wire delay lines : The 41st annual conference on magnetism and magnetic materials (1997)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 81 (1997), S. 5814-5816 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The effects of the exciting magnetic field as well as of the bias magnetic field applied at the exciting or receiving points for Fe77.5Si7.5B15 amorphous magnetostrictive wire, used as delay lines, have been investigated. Amorphous wires have been tested in the as-cast state and after the stress-relief process. The increase in the value of the exciting magnetic field leads to an increase in the value of the pulsed voltage output. The maximum values for the pulsed voltage output are obtained for about 5 μs pulse width and 15 A amplitude of the pulsed exciting current. The dependence of pulsed voltage output on the bias magnetic field at the exciting or receiving points is not monotonic for all tested samples. The maximum response is obtained for about 100–200 A/m and 100–300 A/m bias magnetic field applied in exciting and receiving points, respectively. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.364677
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  • 2
    Electronic Resource
    Electronic Resource
    Magnetic behavior of nanostructured glass covered metallic wires : The 41st annual conference on magnetism and magnetic materials (1997)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 81 (1997), S. 5817-5819 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We present a study of the evolution of the magnetic properties and behavior of Fe73.5Cu1Nb3Si13.5B9 glass covered wires and wires after glass removal with the annealing temperature up to 600 °C starting from the amorphous state. The changes induced in the magnetic properties of these wires are determined by the stress relief process occurring at temperatures below 550 °C, and by the appearance of the nanosized α-FeSi crystalline grains after annealing for 1 h at 550 °C. The nanocrystalline phase formation leads to an improvement of the soft magnetic properties of these wires—increase of permeability and decrease of the coercive force—but also determines the disappearance of the large Barkhausen effect presented by these wires in the amorphous state. Annealing at temperatures over 550 °C determines a depreciation of the soft magnetic properties of both glass covered wires and wires after glass removal. The magnetic behavior of such wires can be fully explained by taking into account the relaxation of the internal stresses with increasing the annealing temperature as well as the changes in the magnetostriction constant due to the appearance of the nanocrystalline grains. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.364678
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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