JPWO2011016275A1 - Fe基非晶質合金、及び前記Fe基非晶質合金を用いた圧粉コア、ならびにコイル封入圧粉コア - Google Patents
Fe基非晶質合金、及び前記Fe基非晶質合金を用いた圧粉コア、ならびにコイル封入圧粉コア Download PDFInfo
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- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 105
- 239000000428 dust Substances 0.000 title claims abstract description 80
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims description 68
- 229910052759 nickel Inorganic materials 0.000 claims description 16
- 229910052718 tin Inorganic materials 0.000 claims description 16
- 239000011230 binding agent Substances 0.000 claims description 11
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- 238000000465 moulding Methods 0.000 claims description 7
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- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 6
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- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 description 1
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- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
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- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/02—Amorphous alloys with iron as the major constituent
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
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- 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
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
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- 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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- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
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- C21—METALLURGY OF IRON
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Abstract
Description
組成式が、Fe100-a-b-c-x-y-z-tNiaSnbCrcPxCyBzSitで示され、0at%≦a≦10at%、0at%≦b≦3at%、0at%≦c≦6at%、6.8at%≦x≦10.8at%、2.2at%≦y≦9.8at%、0at%≦z≦4.2at%、0at%≦t≦3.9at%であることを特徴とするものである。
Niの添加は、ガラス遷移温度(Tg)を低く、換算ガラス化温度(Tg/Tm)を高い値に維持できる。本発明では、10at%を限度としてNiを添加することが出来る。
下記の表1に示す各組成から成る各Fe基非晶質合金を製造した。これら合金はいずれも液体急冷法によりリボン状で形成されたものである。
なおNo.1の試料は、比較例であり、No.2〜8が実施例である。
以下の表2に示す各組成から成る各Fe基非晶質合金を製造した。各試料は、液体急冷法によりリボン状で形成されたものである。
以下の表3に示す各組成から成る各Fe基非晶質合金を製造した。各試料は、液体急冷法によりリボン状で形成されたものである。
以下の表4に示す各組成から成る各Fe基非晶質合金を製造した。各試料は、液体急冷法によりリボン状で形成されたものである。
以下の表5に示す各組成から成る各Fe基非晶質合金を製造した。各試料は、液体急冷法によりリボン状で形成されたものである。
以下の表6に示す組成の各試料から各Fe基非晶質合金を製造した。各試料は、液体急冷法によりリボン状で形成されたものである。
表7に示す試料No.3,5,6は、既に表1に示されているものと同じである。すなわち各Fe基非晶質合金の粉末を水アトマイズ法により作製し、更に表1の説明箇所で記載した図1の円環状の圧粉コアの作製条件にて、各圧粉コアを成形した。
測定周波数は300kHzとし、インダクタンスが略0.5μHとなるように各コイル封入圧粉コアの作製条件を調整した。
実施例として試料No.6のFe基非晶質合金粉末と、樹脂(アクリル樹脂);3質量%、潤滑剤(ステアリン酸亜鉛);0.3質量%を混合し、さらに図2(b)に示すエッジワイズコイルを封入した状態で、プレス圧600MPaにて、6.5mm角で、高さが2.7mmのコア成形体を形成し、さらにN2ガス雰囲気下で、熱処理温度を320℃(昇温速度2℃/min)としてコイル封入圧粉コアを成形した。
2 コイル封入圧粉コア
4 コイル(エッジワイズコイル)
Claims (20)
- 組成式が、Fe100-a-b-c-x-y-z-tNiaSnbCrcPxCyBzSitで示され、0at%≦a≦10at%、0at%≦b≦3at%、0at%≦c≦6at%、6.8at%≦x≦10.8at%、2.2at%≦y≦9.8at%、0at%≦z≦4.2at%、0at%≦t≦3.9at%であることを特徴とするFe基非晶質合金。
- NiとSnのうち、どちらか一方のみが添加される請求項1記載のFe基非晶質合金。
- Niの添加量aは、0at%〜6at%の範囲内である請求項1又は2に記載のFe基非晶質合金。
- Niの添加量aは、4at%〜6at%の範囲内である請求項3記載のFe基非晶質合金。
- Snの添加量bは、0at%〜2at%の範囲内である請求項1ないし4のいずれか1項に記載のFe基非晶質合金。
- Crの添加量cは、0at%〜2at%の範囲内である請求項1ないし5のいずれか1項に記載のFe基非晶質合金。
- Crの添加量cは、1at%〜2at%の範囲内である請求項6記載のFe基非晶質合金。
- Pの添加量xは、8.8at%〜10.8at%の範囲内である請求項1ないし7のいずれか1項に記載のFe基非晶質合金。
- Cの添加量yは、5.8at%〜8.8at%の範囲内である請求項1ないし8のいずれか1項に記載のFe基非晶質合金。
- Bの添加量zは、0at%〜2at%の範囲内である請求項1ないし9のいずれか1項に記載のFe基非晶質合金。
- Bの添加量zは、1at%〜2at%の範囲内である請求項10記載のFe基非晶質合金。
- Siの添加量tは、0at%〜1at%の範囲内である請求項1ないし11のいずれか1項に記載のFe基非晶質合金。
- (Bの添加量z+Siの添加量t)は、0at%〜4at%の範囲内である請求項1ないし12のいずれか1項に記載のFe基非晶質合金。
- Bの添加量zが、0at%〜2at%の範囲内、Siの添加量tが、0at%〜1at%の範囲内、及び、(Bの添加量z+Siの添加量t)が、0at%〜2at%の範囲内である請求項1ないし9のいずれか1項に記載のFe基非晶質合金。
- Bの添加量zが、0at%〜3at%の範囲内、Siの添加量tが、0at%〜2at%の範囲内、及び、(Bの添加量z+Siの添加量t)が、0at%〜3at%の範囲内である請求項1ないし9のいずれか1項に記載のFe基非晶質合金。
- Siの添加量t/(Siの添加量t+Pの添加量x)は、0〜0.36の範囲内である請求項1ないし15のいずれか1項に記載のFe基非晶質合金。
- Siの添加量t/(Siの添加量t+Pの添加量x)は、0〜0.25の範囲内である請求項16記載のFe基非晶質合金。
- 請求項1ないし17のいずれか1項に記載のFe基非晶質合金の粉末が結着材によって固化成形されてなることを特徴とする圧粉コア。
- 請求項1ないし17のいずれか1項に記載のFe基非晶質合金の粉末が結着材によって固化成形されてなる圧粉コアと、前記圧粉コアに覆われるコイルとを有してなることを特徴とするコイル封入圧粉コア。
- 前記コイルは、エッジワイズコイルである請求項19記載のコイル封入圧粉コイル。
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JP2011525820A JP5419302B2 (ja) | 2009-08-07 | 2010-05-12 | Fe基非晶質合金、及び前記Fe基非晶質合金を用いた圧粉コア、ならびにコイル封入圧粉コア |
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JP2011525820A JP5419302B2 (ja) | 2009-08-07 | 2010-05-12 | Fe基非晶質合金、及び前記Fe基非晶質合金を用いた圧粉コア、ならびにコイル封入圧粉コア |
PCT/JP2010/058028 WO2011016275A1 (ja) | 2009-08-07 | 2010-05-12 | Fe基非晶質合金、及び前記Fe基非晶質合金を用いた圧粉コア、ならびにコイル封入圧粉コア |
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WO2011016275A1 (ja) | 2011-02-10 |
KR20120023186A (ko) | 2012-03-12 |
EP2463396A1 (en) | 2012-06-13 |
KR101482361B1 (ko) | 2015-01-13 |
US20120092111A1 (en) | 2012-04-19 |
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