JP2018193571A - FeNi規則合金を含む磁性材料およびその製造方法 - Google Patents
FeNi規則合金を含む磁性材料およびその製造方法 Download PDFInfo
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- 229910002555 FeNi Inorganic materials 0.000 title claims abstract description 134
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 132
- 239000000956 alloy Substances 0.000 title claims abstract description 132
- 239000000696 magnetic material Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000002245 particle Substances 0.000 claims abstract description 95
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 18
- 229910052742 iron Inorganic materials 0.000 claims abstract description 17
- 230000005415 magnetization Effects 0.000 claims abstract description 7
- 238000005121 nitriding Methods 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 14
- 239000013067 intermediate product Substances 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 6
- 230000002194 synthesizing effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 150000004767 nitrides Chemical class 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 22
- 239000010408 film Substances 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 5
- 230000001788 irregular Effects 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910015371 AuCu Inorganic materials 0.000 description 1
- 229910015187 FePd Inorganic materials 0.000 description 1
- 229910005335 FePt Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- -1 as shown in FIG. 2B Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229910052598 goethite Inorganic materials 0.000 description 1
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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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
- H01F1/032—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 hard-magnetic materials
- H01F1/04—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 hard-magnetic materials metals or alloys
- H01F1/06—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 hard-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/068—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 hard-magnetic materials metals or alloys in the form of particles, e.g. powder having a L10 crystallographic structure, e.g. [Co,Fe][Pt,Pd] (nano)particles
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- 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
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
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- 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
- H01F1/032—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 hard-magnetic materials
- H01F1/04—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 hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
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- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Hard Magnetic Materials (AREA)
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- Manufacturing Of Magnetic Record Carriers (AREA)
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Abstract
Description
第1実施形態について説明する。本実施形態にかかるL10型のFeNi規則合金、すなわちFeNi超格子を含む磁性材料は、磁石材料や磁気記録材料等に適用されるものである。
第2実施形態について説明する。本実施形態は、第1実施形態に対して更に保磁力Hcを高くできるようにするものである。本実施形態においても、基本的な製造工程については第1実施形態と同様であるため、第1実施形態と異なる部分についてのみ説明する。
本発明は上記した実施形態に限定されるものではなく、特許請求の範囲に記載した範囲内において適宜変更が可能である。
100 FeNi不規則合金
101 FeNi不規則合金にNが拡散した構造体
Claims (8)
- L10型の規則構造とされ、長軸と短軸を有する針状粒子で構成されているFeNi規則合金を含む磁性材料。
- 前記FeNi規則合金を構成するFeとNiの積層方向となる結晶磁気異方性による磁化容易軸の方向が前記針状粒子の長軸方向に沿っている請求項1に記載のFeNi規則合金を含む磁性材料。
- 前記針状粒子は、複数の粒子が連続的に繋がって針状とされたものである請求項1または2に記載のFeNi規則合金を含む磁性材料。
- 前記針状粒子の短軸の寸法に対する長軸の寸法の比となるアスペクト比が1.5以上とされている請求項1ないし3のいずれか1つに記載のFeNi規則合金を含む磁性材料。
- 前記針状粒子の短軸の寸法が20〜250nmとされている請求項4に記載のFeNi規則合金を含む磁性材料。
- 針状粒子で構成されたFeNi不規則合金(100)を用意することと、
前記FeNi不規則合金を窒化する窒化処理を行うことと、
前記窒化処理されたFeNi不規則合金から窒素を除去する脱窒素処理を行うことにより、針状粒子で構成されたL10型のFeNi規則合金を得ることと、を有するFeNi規則合金を含む磁性材料の製造方法。 - 針状粒子で構成されたFeNi不規則合金(100)を用意することと、
FeとNiとがL10型のFeNi規則構造と同じ格子構造で整列した化合物を合成することと、
前記化合物からFeとNi以外の不要な元素を除去することで針状粒子で構成されたL10型のFeNi規則合金を生成することと、を含み、
前記化合物を合成することでは、FeNi不規則合金を窒化処理することで前記化合物として中間生成物となるFeNiNを合成するFeNi規則合金を含む製造方法。 - FeNi不規則合金から酸化膜(100a)を除去することを含み、
前記化合物を合成することは、前記酸化膜を除去することの後に行われ、前記酸化膜が除去されたFeNi不規則合金を窒化処理することで中間生成物となるFeNiNを合成することである請求項7に記載のFeNi規則合金を含む製造方法。
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JP2017095788A JP6766746B2 (ja) | 2017-05-12 | 2017-05-12 | FeNi規則合金を含む磁性材料およびその製造方法 |
PCT/JP2018/018203 WO2018207890A1 (ja) | 2017-05-12 | 2018-05-10 | FeNi規則合金を含む磁性材料およびその製造方法 |
US16/678,344 US11361887B2 (en) | 2017-05-12 | 2019-11-08 | Magnetic material comprising FeNi ordered alloy and manufacturing method for the same |
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Citations (7)
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JP2008081818A (ja) * | 2006-09-28 | 2008-04-10 | Sumitomo Osaka Cement Co Ltd | ニッケル―鉄合金ナノ粒子の前駆体粉末の製造方法およびニッケル―鉄合金ナノ粒子の前駆体粉末、ニッケル―鉄合金ナノ粒子の製造方法およびニッケル―鉄合金ナノ粒子 |
WO2012141205A2 (ja) * | 2011-04-11 | 2012-10-18 | 国立大学法人北海道大学 | L10型FeNi合金粒子及びその製造方法、磁性組成物並びに磁石 |
JP2013151710A (ja) * | 2012-01-24 | 2013-08-08 | Denso Corp | 磁性合金粉末の製造方法 |
JP2014131054A (ja) * | 2011-08-31 | 2014-07-10 | Toshiba Corp | 磁性材料 |
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WO2017064989A1 (ja) * | 2015-10-14 | 2017-04-20 | 株式会社デンソー | FeNi規則合金およびFeNi規則合金の製造方法 |
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JP4524078B2 (ja) | 2002-05-31 | 2010-08-11 | 富士フイルム株式会社 | 磁性粒子およびその製造方法、並びに、磁気記録媒体およびその製造方法 |
JP6388190B2 (ja) | 2012-11-29 | 2018-09-12 | 善治 堀田 | L10型FeNi規則合金を含むFeNi系材料の製造方法、及びFeNi系材料 |
JP6332359B2 (ja) | 2015-10-14 | 2018-05-30 | 株式会社デンソー | FeNi規則合金、FeNi規則合金の製造方法、および、FeNi規則合金を含む磁性材料 |
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JP2008081818A (ja) * | 2006-09-28 | 2008-04-10 | Sumitomo Osaka Cement Co Ltd | ニッケル―鉄合金ナノ粒子の前駆体粉末の製造方法およびニッケル―鉄合金ナノ粒子の前駆体粉末、ニッケル―鉄合金ナノ粒子の製造方法およびニッケル―鉄合金ナノ粒子 |
WO2012141205A2 (ja) * | 2011-04-11 | 2012-10-18 | 国立大学法人北海道大学 | L10型FeNi合金粒子及びその製造方法、磁性組成物並びに磁石 |
JP2014131054A (ja) * | 2011-08-31 | 2014-07-10 | Toshiba Corp | 磁性材料 |
JP2013151710A (ja) * | 2012-01-24 | 2013-08-08 | Denso Corp | 磁性合金粉末の製造方法 |
JP2014231624A (ja) * | 2013-05-29 | 2014-12-11 | 株式会社デンソー | Fe−Ni合金粉末の製造方法およびFe−Ni合金粉末並びに磁石 |
JP2015225998A (ja) * | 2014-05-29 | 2015-12-14 | 国立研究開発法人産業技術総合研究所 | 針状ゲーサイト微粒子、針状ゲーサイト複合体、針状鉄微粒子、及び針状酸化鉄微粒子 |
WO2017064989A1 (ja) * | 2015-10-14 | 2017-04-20 | 株式会社デンソー | FeNi規則合金およびFeNi規則合金の製造方法 |
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