JP2020070468A - 軟磁性合金粉末、圧粉磁心、磁性部品および電子機器 - Google Patents
軟磁性合金粉末、圧粉磁心、磁性部品および電子機器 Download PDFInfo
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- 239000000843 powder Substances 0.000 title claims abstract description 116
- 229910001004 magnetic alloy Inorganic materials 0.000 title claims abstract description 105
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 6
- 229910052785 arsenic Inorganic materials 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 6
- 229910052709 silver Inorganic materials 0.000 claims abstract description 6
- 229910052718 tin Inorganic materials 0.000 claims abstract description 6
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 6
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 5
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 5
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 5
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 5
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 5
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 5
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 5
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 5
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 5
- 239000002159 nanocrystal Substances 0.000 claims description 37
- 239000000428 dust Substances 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000002245 particle Substances 0.000 description 89
- 239000013078 crystal Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 23
- 229910052751 metal Inorganic materials 0.000 description 20
- 239000002184 metal Substances 0.000 description 19
- 230000005415 magnetization Effects 0.000 description 17
- 238000010438 heat treatment Methods 0.000 description 12
- 238000002441 X-ray diffraction Methods 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 9
- 239000000956 alloy Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005280 amorphization Methods 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009692 water atomization Methods 0.000 description 5
- 238000009689 gas atomisation Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- H01F1/14708—Fe-Ni based alloys
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Abstract
Description
組成式(Fe(1−(α+β))X1αX2β)(1−(a+b+c+d+e+f))MaBbPcSidCeSfからなる主成分を有する軟磁性合金粉末であって、
X1はCoおよびNiからなる群から選択される1つ以上、
X2はAl,Mn,Ag,Zn,Sn,As,Sb,Cu,Cr,Bi,N,Oおよび希土類元素からなる群より選択される1つ以上、
MはNb,Hf,Zr,Ta,Mo,W,TiおよびVからなる群から選択される1つ以上であり、
0≦a≦0.160
0.020≦b≦0.200
0≦c≦0.150
0≦d≦0.060
0≦e≦0.030
0.0010≦f≦0.030
0.005≦f/b≦1.50
α≧0
β≧0
0≦α+β≦0.50
であることを特徴とする。
組成式(Fe(1−(α+β))X1αX2β)(1−(a+b+c+d+e+f))MaBbPcSidCeSfからなる主成分を有する軟磁性合金粉末であって、
X1はCoおよびNiからなる群から選択される1つ以上、
X2はAl,Mn,Ag,Zn,Sn,As,Sb,Cu,Cr,Bi,N,Oおよび希土類元素からなる群より選択される1つ以上、
MはNb,Hf,Zr,Ta,Mo,W,TiおよびVからなる群から選択される1つ以上であり、
0≦a≦0.160
0.020≦b≦0.200
0≦c≦0.150
0≦d≦0.060
0≦e≦0.030
0.0010≦f≦0.030
0.005≦f/b≦1.50
α≧0
β≧0
0≦α+β≦0.50
であることを特徴とする。
X=100−(Ic/(Ic+Ia)×100)…(1)
Ic:結晶性散乱積分強度
Ia:非晶性散乱積分強度
以下に示す表1に記載の組成の母合金が得られるように純金属材料をそれぞれ秤量した。そして、チャンバー内で真空引きした後、高周波加熱にて溶解し母合金を作製した。
実験例2では、下表に示す各実施例および比較例の合金組成となるように原料金属を秤量し、高周波加熱にて溶解し、母合金を作製した点以外は実験例1の試料番号6aと同条件で実施した。
実験例3では、ガスアトマイズ法により得られた軟磁性合金粉末(試料番号6a)を熱処理し、ナノ結晶を生成させた。その際に、熱処理条件を表13に記載の条件に変化させた。そして、ナノ結晶の平均粒径、ナノ結晶の結晶化度およびナノ結晶におけるbcc相以外の化合物相の結晶化度(以下、非bcc相の結晶化度ともいう)を算出した。さらに、得られた軟磁性合金粉末の保磁力および飽和磁化を測定した。なお、実験例3の各実施例の平均粒子径および平均円形度は熱処理前の試料番号6aから大きく変化しなかった。
Claims (11)
- 組成式(Fe(1−(α+β))X1αX2β)(1−(a+b+c+d+e+f))MaBbPcSidCeSfからなる主成分を有する軟磁性合金粉末であって、
X1はCoおよびNiからなる群から選択される1つ以上、
X2はAl,Mn,Ag,Zn,Sn,As,Sb,Cu,Cr,Bi,N,Oおよび希土類元素からなる群より選択される1つ以上、
MはNb,Hf,Zr,Ta,Mo,W,TiおよびVからなる群から選択される1つ以上であり、
0≦a≦0.160
0.020≦b≦0.200
0≦c≦0.150
0≦d≦0.060
0≦e≦0.030
0.0010≦f≦0.030
0.005≦f/b≦1.50
α≧0
β≧0
0≦α+β≦0.50
であることを特徴とする軟磁性合金粉末。 - 前記軟磁性合金粉末の平均円形度が0.90以上である請求項1に記載の軟磁性合金粉末。
- 前記軟磁性合金粉末の平均円形度が0.95以上である請求項1に記載の軟磁性合金粉末。
- ナノ結晶を含有する請求項1〜3のいずれかに記載の軟磁性合金粉末。
- 前記ナノ結晶の結晶化度が25%以上である請求項4に記載の軟磁性合金粉末。
- 前記ナノ結晶におけるbcc相以外の化合物相の結晶化度が5%以下である請求項4または5に記載の軟磁性合金粉末。
- 0.005≦f/b≦0.500である請求項1〜6のいずれかに記載の軟磁性合金粉末。
- 0.735≦1−(a+b+c+d+e+f)≦0.900である請求項1〜7のいずれかに記載の軟磁性合金粉末。
- 請求項1〜8のいずれかに記載の軟磁性合金粉末を含む圧粉磁心。
- 請求項1〜8のいずれかに記載の軟磁性合金粉末を含む磁性部品。
- 請求項1〜8のいずれかに記載の軟磁性合金粉末を含む電子機器。
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JP2018205070A JP6737318B2 (ja) | 2018-10-31 | 2018-10-31 | 軟磁性合金粉末、圧粉磁心、磁性部品および電子機器 |
US16/665,000 US20200135369A1 (en) | 2018-10-31 | 2019-10-28 | Soft magnetic alloy powder, dust core, magnetic component, and electronic device |
CN201911029211.7A CN111128504B (zh) | 2018-10-31 | 2019-10-28 | 软磁性合金粉末、压粉磁芯、磁性部件及电子设备 |
KR1020190135468A KR102259182B1 (ko) | 2018-10-31 | 2019-10-29 | 연자성 합금 분말, 압분 자심, 자성 부품 및 전자 기기 |
DE102019129302.2A DE102019129302A1 (de) | 2018-10-31 | 2019-10-30 | Weichmagnetisches legierungspulver, dust core, magnetische komponente und elektronische vorrichtung |
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JP2002060914A (ja) * | 2000-08-18 | 2002-02-28 | Kubota Corp | 軟磁性合金粉末 |
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