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Bulk Amorphous and/or Nanocrystalline Finemet Alloy Prepared by Super-high-pressure Consolidation

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  • URLhttps://db.koreascholar.com/Article/Detail/4632
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한국분말재료학회(구 한국분말야금학회) (Korean Powder Metallurgy Institute)
초록

Microstructure and soft magnetic properties of bulk amorphous and/or nanocrystalline Fe73.5Cu1Nb3Si13.5B9 alloys prepared by consolidation at 5.5GPa were investigated. The relative density of the bulk sample 1 (from amorphous powders) was 98.5% and the grain sizes were about 10.6nm. While the relative density and grain sizes of bulk sample 2 (from nanocrystalline powders) are 98% and 20.1nm, respectively. Particularly, the bulk samples exhibited a good combined magnetic property: for Sample1, Ms=125emu/g and Hc=1.5Oe; for Sample2, Ms=129emu/g and Hc=3.3Oe. The success of synthesizing the nanocrystalline Fe-based bulk alloys will be encouraging for the future development of bulk nanocrystalline soft magnetic alloys.

저자
  • Lu
  • Wei
  • Yanb
  • Biao