JP7041819B2 - 軟磁性金属扁平粉末およびそれを用いた樹脂複合シート並びに成形加工用樹脂複合コンパウンド - Google Patents
軟磁性金属扁平粉末およびそれを用いた樹脂複合シート並びに成形加工用樹脂複合コンパウンド Download PDFInfo
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- JP7041819B2 JP7041819B2 JP2020013007A JP2020013007A JP7041819B2 JP 7041819 B2 JP7041819 B2 JP 7041819B2 JP 2020013007 A JP2020013007 A JP 2020013007A JP 2020013007 A JP2020013007 A JP 2020013007A JP 7041819 B2 JP7041819 B2 JP 7041819B2
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- resin composite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
- H01F1/26—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
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- C—CHEMISTRY; METALLURGY
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- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
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- Microelectronics & Electronic Packaging (AREA)
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- Spectroscopy & Molecular Physics (AREA)
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
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Description
K=(μ(0℃)-μ(-40℃))/μ(-40℃)>0 (1)
K=(μ(40℃)-μ(0℃))/μ(0℃)>0 (2)
K=(μ(85℃)-μ(40℃))/μ(40℃)>0 (3)
K:温度係数、μ:透磁率(μ’:実数透磁率、μ”:虚数透磁率)
測定用サンプルは、樹脂複合シートと成形加工用樹脂複合組成物を射出成形した物を使用した。
Claims (4)
- Al=6~7.5wt%、Si=8.5~9.5wt%含有し、残部:Feおよび不可避不純物からなるとともに、AlとSiの合計含有量が15~16.5wt%である成分組成を持ち、かつ、保磁力が70A/m以下である軟磁性金属扁平粉末であって、該軟磁性金属扁平粉末を使用した、樹脂複合シート、または樹脂複合組成物を成形した物の透磁率の温度係数Kが、-40℃~85℃の範囲で下記式(1)(2)(3)を満たすことを特徴とする、軟磁性金属扁平粉末。
K=(μ(0℃)-μ(-40℃))/μ(-40℃)>0 (1)
K=(μ(40℃)-μ(0℃))/μ(0℃)>0 (2)
K=(μ(85℃)-μ(40℃)/μ(40℃)>0 (3)
K:温度係数、μ:透磁率(μ’:実数透磁率、μ’’:虚数透磁率) - 平均粒子径D50付近の粒径の粉末におけるアスペクト比が20~200の軟磁性金属扁平状であることを特徴とする、請求項1記載の軟磁性金属扁平粉末。
- 請求項1と2のいずれかに記載の軟磁性金属扁平粉末と樹脂よりなり、保磁力が80A/m以下であることを特徴とする、樹脂複合シート。
- 請求項1と2のいずれかに記載の軟磁性金属扁平粉末と樹脂よりなることを特徴とする、射出成形用および押出成形用の樹脂複合組成物。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020013007A JP7041819B2 (ja) | 2020-01-11 | 2020-01-11 | 軟磁性金属扁平粉末およびそれを用いた樹脂複合シート並びに成形加工用樹脂複合コンパウンド |
PCT/JP2021/001391 WO2021141140A1 (ja) | 2020-01-11 | 2021-01-08 | 軟磁性金属扁平粉末およびそれを用いた樹脂複合シート並びに成形加工用樹脂複合コンパウンド |
CN202180002865.XA CN113748471A (zh) | 2020-01-11 | 2021-01-08 | 软磁性金属扁平粉末和使用了该粉末的树脂复合片材以及成型加工用树脂复合化合物 |
KR1020217033839A KR102548558B1 (ko) | 2020-01-11 | 2021-01-08 | 연자성 금속 편평 분말 및 이를 사용한 수지 복합 시트 및 성형 가공용 수지 복합 컴파운드 |
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JP2020013007A JP7041819B2 (ja) | 2020-01-11 | 2020-01-11 | 軟磁性金属扁平粉末およびそれを用いた樹脂複合シート並びに成形加工用樹脂複合コンパウンド |
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JP7041819B2 true JP7041819B2 (ja) | 2022-03-25 |
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KR (1) | KR102548558B1 (ja) |
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JP2020000763A (ja) * | 2018-06-30 | 2020-01-09 | 株式会社三洋物産 | 遊技機 |
JP7155671B2 (ja) * | 2018-06-30 | 2022-10-19 | 株式会社三洋物産 | 遊技機 |
JP2023103144A (ja) * | 2022-01-13 | 2023-07-26 | 株式会社メイト | 軟磁性金属扁平粉末およびそれを用いた樹脂複合シート並びに樹脂複合組成物 |
Citations (5)
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JP2002093612A (ja) | 2000-09-18 | 2002-03-29 | Daido Steel Co Ltd | 磁気素子およびその製造方法 |
JP2009266960A (ja) | 2008-04-23 | 2009-11-12 | Tdk Corp | 扁平状軟磁性材料及びその製造方法 |
JP2010196123A (ja) | 2009-02-26 | 2010-09-09 | Daido Steel Co Ltd | 扁平状軟磁性粉末の製造方法、扁平状軟磁性粉末および電磁波吸収体 |
JP2018022869A (ja) | 2016-07-25 | 2018-02-08 | Tdk株式会社 | 高透磁率磁性シート |
JP2018142618A (ja) | 2017-02-28 | 2018-09-13 | 山陽特殊製鋼株式会社 | 高透磁率および高耐候性を有する軟磁性扁平粉末およびこれを含有する軟磁性樹脂組成物 |
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GB527874A (en) * | 1939-04-22 | 1940-10-17 | Standard Telephones Cables Ltd | Improvements in or relating to magnetic dust cores |
JP3722391B2 (ja) | 1996-09-05 | 2005-11-30 | Necトーキン株式会社 | 複合磁性体およびそれを用いた電磁干渉抑制体 |
JP2005281783A (ja) | 2004-03-30 | 2005-10-13 | Nec Tokin Corp | ノイズ抑制用軟磁性粉末、その製造方法及びそれを用いたノイズ抑制シート |
WO2011016207A1 (ja) * | 2009-08-04 | 2011-02-10 | パナソニック株式会社 | 複合磁性体及びその製造方法 |
JP6592424B2 (ja) | 2016-12-22 | 2019-10-16 | 山陽特殊製鋼株式会社 | 軟磁性扁平粉末およびこれを用いた磁性シート |
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- 2021-01-08 KR KR1020217033839A patent/KR102548558B1/ko active IP Right Grant
- 2021-01-08 CN CN202180002865.XA patent/CN113748471A/zh active Pending
- 2021-01-08 WO PCT/JP2021/001391 patent/WO2021141140A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002093612A (ja) | 2000-09-18 | 2002-03-29 | Daido Steel Co Ltd | 磁気素子およびその製造方法 |
JP2009266960A (ja) | 2008-04-23 | 2009-11-12 | Tdk Corp | 扁平状軟磁性材料及びその製造方法 |
JP2010196123A (ja) | 2009-02-26 | 2010-09-09 | Daido Steel Co Ltd | 扁平状軟磁性粉末の製造方法、扁平状軟磁性粉末および電磁波吸収体 |
JP2018022869A (ja) | 2016-07-25 | 2018-02-08 | Tdk株式会社 | 高透磁率磁性シート |
JP2018142618A (ja) | 2017-02-28 | 2018-09-13 | 山陽特殊製鋼株式会社 | 高透磁率および高耐候性を有する軟磁性扁平粉末およびこれを含有する軟磁性樹脂組成物 |
Non-Patent Citations (1)
Title |
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相川 芳和,Fe-Si-Al系圧粉磁心の損失に及ぼす組成の影響,山陽特殊製鋼技報,第7巻,日本,2000年,p.29-34 |
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WO2021141140A1 (ja) | 2021-07-15 |
CN113748471A (zh) | 2021-12-03 |
JP2021111766A (ja) | 2021-08-02 |
KR102548558B1 (ko) | 2023-06-29 |
KR20210139416A (ko) | 2021-11-22 |
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