Magnetic Properties of Undercooled Co-based Alloys
Reutzel, S. and Herlach, D.M. (2004) Magnetic Properties of Undercooled Co-based Alloys. Material Science and Engineering A, 375-377, pp. 552-555.
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Official URL: http://dx.doi.org/10.1016/j.msea.2003.10.149
Co-based melts in a glass flux can be undercooled nearly as strong as samples processed containerless by electromagnetic levitation. The undercooling technique is combined with the use of a Faraday-balance to measure magnetic susceptibility on highly undercooled melts. The magnetic susceptibility of Co and Co-Au is investigated as a function of temperature from stable liquid to undercooled liquid state using a Faraday-balance. When liquid Co-based alloys are undercooled the magnetisation steeply rises if temperature approaches the Curie temperature. The magnetisation is presented for Co and Co<sub>90</sub>Au<sub>10</sub> in solid and liquid state as a function of temperature. The results show that the magnetic susceptibility of the liquid undercooled samples follows a Curie-Weiss behaviour, from which Curie temperature and magnetic moment are inferred. In no case an undercooling below the Curie temperature was achieved.
|Title:||Magnetic Properties of Undercooled Co-based Alloys|
|Journal or Publication Title:||Material Science and Engineering A|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 552-555|
|Keywords:||Unterkühlung von Materialien, magnetic susceptibility, undercooling, Co-Au alloy, crystal nucleation|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W FR - Forschung unter Weltraumbedingungen|
|DLR - Research area:||Space|
|DLR - Program:||W FR - Forschung unter Weltraumbedingungen|
|DLR - Research theme (Project):||W - Vorhaben Materialwissenschaftliche Forschung (old)|
|Institutes and Institutions:||Institute of Materials Physics in Space > Institute of Space Simulation > Center for Solidification of Undercooled Melts (ZEUS)|
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||14 Jun 2006|
|Last Modified:||14 Jan 2010 15:05|
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