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首页> 外文会议>Powder Metallurgy World Congress amp; Exhibition(PM 2006); 20060924-28; Busan(KR) >Bulk Amorphous and/or Nanocrystalline Finemet Alloy Prepared by Super-high-pressure Consolidation
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Bulk Amorphous and/or Nanocrystalline Finemet Alloy Prepared by Super-high-pressure Consolidation

机译：超高压固结法制备块状非晶态和/或纳米晶精细合金

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摘要

Microstructure and soft magnetic properties of bulk amorphous and/or nanocrystalline Fe_(73.5)Cu_1Nb_3Si_(13.5)B_9(Finemet) alloys prepared by consolidation at a ultra-high pressure (5.5GPa) were investigated in this paper. 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 Samplel, M_s=125emu/g and H_c=1.5Oe; for Sample2, M_s=129emu/g and H_c=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.
机译：研究了在超高压（5.5GPa）下固结制备的块状非晶态和/或纳米晶Fe_（73.5）Cu_1Nb_3Si_（13.5）B_9（Finemet）合金的组织和软磁性能。散装样品1（来自无定形粉末）的相对密度为98.5％，晶粒尺寸为约10.6nm。而散装样品2（来自纳米晶体粉末）的相对密度和晶粒尺寸分别为98％和20.1nm。特别地，大块样品表现出良好的组合磁性能：对于样品1，M_s = 125emu / g和H_c = 1.5Oe；对于Sample2，M_s = 129emu / g，H_c = 3.3Oe。合成纳米晶铁基体合金的成功将为体纳米晶软磁合金的未来发展鼓舞。

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