Properties of Microsamples of Sintered Cobalt-Samarium Magnets.
Interim technical rept.,
GENERAL ELECTRIC CORPORATE RESEARCH AND DEVELOPMENT SCHENECTADY N Y
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Hysteresis loops of small but still multigrain samples taken from sintered Co5 Sm magnets show a wide range of behavior, samples from the same magnet bracketing the bulk properties. Magnetization discontinuities often appear and are associated with large grains. These jumps show a quantized dependence of jump field on magnetizing field as in particles prepared from cast material. A sample consisting of only one grain gave a completely rectangular loop. Measurements on sintered magnets indicate that large grains tend to reverse in small fields, detracting from the overall properties.
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- Properties of Metals and Alloys
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- Solid State Physics