Magnetic Properties of Rapidly Quenched Sendust Alloys

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Other Title
  • 液体急冷センダスト合金の磁化特性

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Ribbon formed Fe-Si-Al alloys (Fe: 81.5-96%, Si: 0-14%, Al: 4-17.5%) have been prepared by using a rapid quenching technique and their mechanical, magnetic and electrical properties and also crystal structure have been examined. The results are summarized as follows:(1) The ribbons are 15-30μm in thickness, 1-2mm in width and 3-5m in length and the surface of ribbons is metallic bright.(2) The crystal structure of Sendust alloys is b. c. c. and super-lattice of Fe3Si (Al), while the crystal structure of Fe-Al-Si (Si<5%, Al<18%), Fe-Al and Fe-Si (Si<9%) alloys is b. c. c. structure.(3) The former can be wound around a rod of 3-5mm in diameter and the latter is very flexible and can be wound around a rod of 1mm in diameter.(4) Initial permeabilities measured at 1kHz for as-prepared Sendust ribbons are about 3×103 and they increase up to about 2×104 after annealing at 900°C for 1h.(5) Initial permeability takes a maximum at the same composition with that of bulk Sendust alloys where the lines of λs=0 and K1=0 approach.(6) Electrical resistivity at the same composition is about 110μΩ·cm which is about 20% higher than that of bulk Sendust alloy.

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Details 詳細情報について

  • CRID
    1390282680070116224
  • NII Article ID
    130004063426
  • DOI
    10.3379/jmsjmag.5.85
  • COI
    1:CAS:528:DyaL38XhsVensw%3D%3D
  • ISSN
    18804004
    02850192
    http://id.crossref.org/issn/02850192
  • Text Lang
    ja
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
    • OpenAIRE
  • Abstract License Flag
    Disallowed

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