Fabrication of Amorphous Powder Perticles by Spinning Water Atomization Process (SWAP), and Development of Compressed Powder Magnetic Cores
旋转水雾化工艺(SWAP)制备非晶粉末颗粒以及压缩粉末磁芯的开发
基本信息
- 批准号:08555080
- 负责人:
- 金额:$ 3.84万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (A)
- 财政年份:1996
- 资助国家:日本
- 起止时间:1996 至 1997
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Fe-based amorphous powder particles were fabricated by the spinning water atomization process (SWAP), recently developed by the authors. The powders obtained exhibited good soft-magnetic properties up to particle sizes of about 200-300mum. These amorphous particles were insulated by glass fine powder and pressed into toroidal and E shape cores by hot-pressing techniques at relatively high temperature conditions below crystallization temperature. The mass densities of the pressed cores were about 80-85%. The magnetic properties of toroidal samples 20-30 mm in diameter were measured after annealing. For the core pressed at 1.5GPa, 450-480゚C,the initial permeability was about 100 in the frequency range up to 1 MHz for H_m=5mOe, which were comparable to those of commercial Sendust compressed cores and Fe-based gapped amorphous ribbon cores for application to fly-back transformers or choking coils operating at frequencies above 100kHz. The core losses at 100kHz were 6-7 [J/m^3] (=0.6-0.7 [W/cc] ) for B_m=0.1T.These values were 50-70% of those of above commercial cores.
采用旋转水雾化法制备了铁基非晶粉末颗粒。所获得的粉末表现出良好的软磁性能的颗粒尺寸为约200- 300 μ m。这些非晶颗粒被玻璃细粉绝缘,并通过热压技术在低于晶化温度的相对高温条件下压制成环形和E形芯。压制芯的质量密度为约80- 85%。对直径为20-30 mm的环形样品进行退火后的磁性能测试。在1.5GPa、450-480 ℃下压制的磁芯,在1 MHz以下的频率范围内(H_m= 5 mOe),初始磁导率约为100,与用于100 kHz以上的反激变压器或扼流线圈的铁基带隙非晶带芯和商品化的Sendust压缩磁芯相当。当B_m= 0.1T时,在100 kHz时,磁芯损耗为6-7 [J/m^3](=0.6-0.7 [W/cc]),是上述商用磁芯的50-70%。
项目成果
期刊论文数量(20)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
八木 正昭: "高周波用アモルファス粉末成形磁心の開発" 熊本工業大学E.E.研究所報告. Vol.2. 15-24 (1996)
Masaaki Yagi:“高频非晶粉末模制磁芯的开发”熊本工业大学E.E.研究所报告第2. 15-24卷(1996年)。
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八木, 深見, 遠藤: "高周波用アモルファス粉末粉末成形磁心の磁気特性" 電気学会 マグネティックス研究会. MAG-97-12. 65-70 (1997)
Yagi、Fukami、Endo:“用于高频应用的非晶粉末压实磁芯的磁性”,日本电气工程师协会磁学研究组 MAG-97-12 (1997)。
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I.Otsuka, I.Endo, H.Koshimoto, H.Yamamoto, R.Okuno, M.Yoshino, H.Hukami, M.Yagi: "Fabrication of Fe-Based Amorphous Powders by the Spinning Water Aomization Process, and the Mageic Properties of Their Compressed Cores" Journal.of the Magnetics Society of
I.Otsuka、I.Endo、H.Koshimoto、H.Yamamoto、R.Okuno、M.Yoshino、H.Hukami、M.Yagi:“通过旋转水雾化工艺制造铁基非晶粉末,以及神奇的
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大塚,遠藤,越本,山本,奥野,吉野,深見,八木: "SWAP法によるFe基アモルファス磁性粉末の作製とその成形磁心の磁気特性" 日本応用磁気学会誌. 21・4(掲載予定). 4 (1997)
Otsuka、Endo、Koshimoto、Yamamoto、Okuno、Yoshino、Fukami、Yagi:“SWAP 法制备铁基非晶磁粉及其成型磁芯的磁性能”日本应用磁学学会杂志 21/4(。待出版)4(1997)。
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小沢, 長尾, 八木, 原田, 遠藤: "アモルファス粉末成形磁心を用いた昇降圧形コンバータの特性(2)-フェライトコアとの比較-" 電子通信情報学会1997総合大会論文集. SB-9. 1頁 (1997)
小泽、长尾、八木、原田、远藤:“使用非晶粉末模制磁芯的升降压转换器的特性(2)-与铁氧体磁芯的比较-”1997年电子通信信息工程师学会大会论文集。 SB-9。1 页(1997 年)
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YAGI Masaaki其他文献
YAGI Masaaki的其他文献
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{{ truncateString('YAGI Masaaki', 18)}}的其他基金
Magnetic properties and domain patterns of amorphous powder cores produced by the cold-pressing
冷压非晶磁粉芯的磁性能和磁畴图
- 批准号:
12650329 - 财政年份:2000
- 资助金额:
$ 3.84万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Magnetic properties of Compressed amorphous powder cores and their application to DC-DC converters.
压缩非晶磁粉芯的磁性能及其在 DC-DC 转换器中的应用。
- 批准号:
10555107 - 财政年份:1998
- 资助金额:
$ 3.84万 - 项目类别:
Grant-in-Aid for Scientific Research (B).
Effects of Transverse Field Annealing to Ribbon Axis and Wall-pinninng Annealing on High-frequency Magnetic Properties of Co-Based Amorphous Cores.
带轴横向场退火和壁钉扎退火对钴基非晶磁芯高频磁性能的影响。
- 批准号:
06555097 - 财政年份:1994
- 资助金额:
$ 3.84万 - 项目类别:
Grant-in-Aid for Developmental Scientific Research (B)
HIGH-FREQUENCY SOFT MAGNETIC PROPERTIES AND MAGNETIC DOMAIN STRUCTURES OF ULTRATHIN Co-BASED AMORPHOUS RIBBONS
超薄钴基非晶带材高频软磁性能及磁畴结构
- 批准号:
04650273 - 财政年份:1992
- 资助金额:
$ 3.84万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
ULTRATHIN VERY LOW LOSS Co-BASED AMORPHOUS RIBBONS AND DEVELOPMENT OF MICRO MAGNETIC DEVICES.
超薄极低损耗钴基非晶带和微磁器件的开发。
- 批准号:
04555072 - 财政年份:1992
- 资助金额:
$ 3.84万 - 项目类别:
Grant-in-Aid for Developmental Scientific Research (B)
High Frequency Magnetic Properties and Magnetic Domain Patterns of Ultrathin Co-Based Amorphous Alloy Ribbon Cores
超薄钴基非晶合金带芯的高频磁性能及磁畴图
- 批准号:
02650230 - 财政年份:1990
- 资助金额:
$ 3.84万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
Magnetic Alloy Powders fabricated by a New Counterrotating Rapidly Quenching Method and Related Powder Properties
新型反向旋转快速淬火方法制备磁性合金粉末及相关粉末性能
- 批准号:
61850053 - 财政年份:1986
- 资助金额:
$ 3.84万 - 项目类别:
Grant-in-Aid for Developmental Scientific Research
Fabrication of Rapidly Quenched Sm-Co and Pr-Co Ribbons for Magnetic Sensors and Actuators
用于磁传感器和执行器的快速淬火钐钴和镨钴带的制造
- 批准号:
59850053 - 财政年份:1984
- 资助金额:
$ 3.84万 - 项目类别:
Grant-in-Aid for Developmental Scientific Research
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