JP6842824B2 - 金属軟磁性合金と磁心の製造方法 - Google Patents
金属軟磁性合金と磁心の製造方法 Download PDFInfo
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- JP6842824B2 JP6842824B2 JP2015151614A JP2015151614A JP6842824B2 JP 6842824 B2 JP6842824 B2 JP 6842824B2 JP 2015151614 A JP2015151614 A JP 2015151614A JP 2015151614 A JP2015151614 A JP 2015151614A JP 6842824 B2 JP6842824 B2 JP 6842824B2
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- 229910001004 magnetic alloy Inorganic materials 0.000 title claims description 43
- 239000002184 metal Substances 0.000 title claims description 41
- 229910052751 metal Inorganic materials 0.000 title claims description 41
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000013078 crystal Substances 0.000 claims description 82
- 239000002159 nanocrystal Substances 0.000 claims description 58
- 229910045601 alloy Inorganic materials 0.000 claims description 57
- 239000000956 alloy Substances 0.000 claims description 57
- 238000010438 heat treatment Methods 0.000 claims description 44
- 239000000203 mixture Substances 0.000 claims description 42
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims description 36
- 150000001875 compounds Chemical class 0.000 claims description 23
- 238000002425 crystallisation Methods 0.000 claims description 20
- 230000008025 crystallization Effects 0.000 claims description 20
- 238000000465 moulding Methods 0.000 claims description 17
- 238000001556 precipitation Methods 0.000 claims description 15
- 229910000859 α-Fe Inorganic materials 0.000 claims description 12
- 238000002441 X-ray diffraction Methods 0.000 claims description 9
- 238000001228 spectrum Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000010298 pulverizing process Methods 0.000 claims description 4
- 241000594011 Leuciscus leuciscus Species 0.000 claims 1
- 238000000227 grinding Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 26
- 230000035699 permeability Effects 0.000 description 24
- 239000000843 powder Substances 0.000 description 23
- 239000010949 copper Substances 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- 230000004907 flux Effects 0.000 description 13
- 239000000428 dust Substances 0.000 description 10
- 238000010791 quenching Methods 0.000 description 9
- 230000000171 quenching effect Effects 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- 230000001376 precipitating effect Effects 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000007709 nanocrystallization Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 229910000521 B alloy Inorganic materials 0.000 description 3
- 229910017082 Fe-Si Inorganic materials 0.000 description 3
- 229910017133 Fe—Si Inorganic materials 0.000 description 3
- 229910001096 P alloy Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000009692 water atomization Methods 0.000 description 3
- 238000003917 TEM image Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009689 gas atomisation Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000013081 microcrystal Substances 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 238000001938 differential scanning calorimetry curve Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- Soft Magnetic Materials (AREA)
Description
工業鉄、Fe−Si合金、Fe−B合金、Fe−P合金および電気銅からなる原料をFe84.3Si0.5B6.0P8.5Cu0.7の合金組成になるように秤量して合金組成物を得た後、高周波溶解にて溶解した。次に、溶解した合金組成物を単ロール液体急冷法にて処理し、幅約40mm、厚さ約25μmの連続薄帯を作製した。
工業鉄、Fe−Si合金、Fe−B合金、Fe−P合金および電気銅からなる原料をFe83Si4B6P6.5Cu0.5の合金組成になるように秤量して合金組成物を得た後、高周波溶解にて溶解した。次に、溶解した合金組成物を水アトマイズ法により急冷微粉末化し、平均粒径40μmの軟磁性非晶質合金粉末を作製した。
実施例4〜6、比較例4〜8と同様の方法で軟磁性非晶質合金粉末を作製し、軟磁性非晶質合金粉末にシリコーン樹脂2wt%を混合・造粒した後、表3に示す成型条件にて加熱および圧粉成型を行った。
2、12 ナノ結晶粒
3、13 結晶粒
Claims (3)
- 組成式FeaBbSicPxCyCuzで表され、79≦a≦86at%、5≦b≦13at%、0≦c≦8at%、1≦x≦13at%、0≦y≦5at%、0.4≦z≦1.4at%、および0.03≦z/x≦0.80を満たす合金組成物からなり、
非晶質相と、
空間群Im−3mの対称性を有するナノ結晶相と、
空間群P42/nの対称性を有する結晶相を備え、
前記ナノ結晶相はα−Fe相であり、
前記結晶相は、Fe−B、Fe−P、Fe−B−Pのいずれかの化合物相であり、
X線回折スペクトルにおいて、前記ナノ結晶相の(110)面のピーク強度に対する、前記結晶相の(321)面のピーク強度の比が0.2以下(0を含まず)である
金属軟磁性合金の製造方法であって、
前記合金組成物を溶解する工程と、
溶解した前記合金組成物から非晶質相を主相とする軟磁性非晶質合金を作製する工程と、
前記軟磁性非晶質合金に前記ナノ結晶相よりなるナノ結晶粒と前記結晶相よりなる結晶粒とを析出させる熱処理を、結晶粒の析出に係る温度である第2結晶化開始温度以上で行い、平均結晶粒径0.5μm以下(0を含まず)および1つの前記結晶粒内に前記ナノ結晶粒が2つ以上存在する結晶粒を析出させる熱処理工程とを有することを特徴とする金属軟磁性合金の製造方法。 - 請求項1に記載の前記軟磁性非晶質合金を粉末化する工程と、前記粉末化された前記軟磁性非晶質合金をプレス成型機にて成型する工程と、前記成型された前記軟磁性非晶質合金を前記熱処理工程の条件にて熱処理することを特徴とする磁心の製造方法。
- 請求項1に記載の前記軟磁性非晶質合金を粉末化する工程と、前記粉末化された前記軟磁性非晶質合金を、前記熱処理工程の条件にて熱処理しながらプレス成型機にて成型する工程を有することを特徴とする磁心の製造方法。
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Families Citing this family (7)
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JP6651082B2 (ja) * | 2015-07-31 | 2020-02-19 | Jfeスチール株式会社 | 軟磁性圧粉磁芯の製造方法 |
KR102259446B1 (ko) * | 2017-01-27 | 2021-06-01 | 제이에프이 스틸 가부시키가이샤 | 연자성 분말, Fe 기 나노 결정 합금 분말, 자성 부품 및 압분 자심 |
JP6226094B1 (ja) * | 2017-01-30 | 2017-11-08 | Tdk株式会社 | 軟磁性合金および磁性部品 |
JP6309149B1 (ja) * | 2017-02-16 | 2018-04-11 | 株式会社トーキン | 軟磁性粉末、圧粉磁芯、磁性部品及び圧粉磁芯の製造方法 |
JP6981536B2 (ja) | 2018-03-23 | 2021-12-15 | 株式会社村田製作所 | 鉄合金粒子、及び、鉄合金粒子の製造方法 |
JP6981535B2 (ja) * | 2018-03-23 | 2021-12-15 | 株式会社村田製作所 | 鉄合金粒子、及び、鉄合金粒子の製造方法 |
CN115605550A (zh) * | 2020-09-07 | 2023-01-13 | 电化株式会社(Jp) | 具有电磁波屏蔽性能的热塑性树脂组合物以及成型部件 |
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JP3287481B2 (ja) * | 1992-07-27 | 2002-06-04 | 日立金属株式会社 | 直流重畳特性に優れた超微結晶合金からなる磁心およびその製法並びにこれを用いたチョークコイル、トランス |
JPH0851010A (ja) * | 1994-05-23 | 1996-02-20 | Alps Electric Co Ltd | 軟磁性合金圧密体とその製造方法および軟磁性合金圧密体形成用コーティング粉末 |
JP3850623B2 (ja) * | 2000-03-30 | 2006-11-29 | アルプス電気株式会社 | 微細結晶組織を有する軟磁性合金の製造方法 |
JP6195693B2 (ja) * | 2011-11-02 | 2017-09-13 | 株式会社トーキン | 軟磁性合金、軟磁性合金磁心およびその製造方法 |
JP6101034B2 (ja) * | 2012-10-05 | 2017-03-22 | Necトーキン株式会社 | 圧粉磁芯の製造方法 |
JP6088192B2 (ja) * | 2012-10-05 | 2017-03-01 | Necトーキン株式会社 | 圧粉磁芯の製造方法 |
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