WO2007094502A1 - 磁気特性および占積率に優れた非晶質合金薄帯 - Google Patents
磁気特性および占積率に優れた非晶質合金薄帯 Download PDFInfo
- Publication number
- WO2007094502A1 WO2007094502A1 PCT/JP2007/053120 JP2007053120W WO2007094502A1 WO 2007094502 A1 WO2007094502 A1 WO 2007094502A1 JP 2007053120 W JP2007053120 W JP 2007053120W WO 2007094502 A1 WO2007094502 A1 WO 2007094502A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- amorphous alloy
- space factor
- ribbon
- thin band
- friction coefficient
- Prior art date
Links
- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 28
- 238000001816 cooling Methods 0.000 description 12
- 238000005242 forging Methods 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000004907 flux Effects 0.000 description 7
- 230000007423 decrease Effects 0.000 description 5
- 230000003746 surface roughness Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000005300 metallic glass Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Classifications
-
- 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
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15341—Preparation processes therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0611—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a single casting wheel, e.g. for casting amorphous metal strips or wires
-
- 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
-
- 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
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
-
- 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
- H01F1/16—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 sheets
Definitions
- the present invention relates to an amorphous alloy ribbon having excellent magnetic properties and space factor used for iron cores such as power transformers and high-frequency transformers.
- Amorphous alloy ribbons for iron cores such as power transformers and high-frequency transformers
- the technical problem to be used as a material is that the amount of material used in transformer production, for example, iron cores and copper wires, increases compared to the case of using silicon steel sheets, resulting in higher manufacturing costs. This is because many of the amorphous alloy ribbons have a low saturation magnetic force, and the design magnetic flux density in the transformer must be lowered, resulting in a large iron core cross-sectional area. is there.
- the amorphous alloy ribbon is most commonly produced by a single roll method in which molten metal is ejected from a rectangular orifice on the surface of a rotating cooling roll and rapidly solidified. What is important in the production method using the amorphous alloy ribbon by the single roll method is the surface property as well as the uniformity of the plate thickness.
- the superiority or inferiority of the surface properties is not only the magnetic characteristics of the amorphous alloy ribbon on a single plate, but also the characteristics of the core, especially when the amorphous ribbon is laminated and used like a core for power transformers.
- the surface roughness of the non-contact surface of the roll is disclosed.
- An amorphous metal ribbon having a thickness Rz of 1.5 m or less is disclosed in JP-A 2 00 0-3 2 8 2 0 6, and the air pocket width of the roll surface is 3 5 ⁇ m or less.
- Soft magnetic alloy ribbons have been proposed that have improved soft magnetic properties with an average roughness of less than 1 5 0 ⁇ m and an Ra of 0.5 or less. Furthermore, in Japanese Patent Laid-Open No.
- the area ratio of the air pocket on the roll surface side surface of the Fe — S i — B-based amorphous alloy ribbon is set to 20% or less to reduce the iron loss.
- An Fe-based amorphous alloy with improved characteristics is manufactured in an atmosphere containing carbon dioxide gas 40 vo 1% or more in JP-A-9 1 4 3 6 40, and the contact surface with the roll Center line F e for power transformer cores with an average roughness R a of 0 or less
- S i 1 B—C type wide amorphous alloy ribbon is further disclosed in Japanese Patent Application Laid-Open No. 9 1 2 6 8 3 5 4 with a low B content Fe — S i _B type amorphous alloy with a thickness of 15 to 5
- a low-B amorphous alloy with excellent magnetic properties has been proposed with 25 xm and surface roughness Ra of 0.8 m or less.
- the present invention provides an amorphous alloy ribbon having improved magnetic properties and space factor by regulating the slip property of the amorphous alloy ribbon surface within a specific range.
- the present invention has been made in order to solve the above-described problems, and is an amorphous alloy ribbon manufactured by a single roll method.
- F is the sliding friction coefficient
- P is the force to pull out the middle steel plate when weight is applied from the top to the three-ply steel plate
- M is the weight from the top of the steel plate (5 kg).
- Fig. 1 is a schematic configuration diagram of a sliding friction coefficient measuring device according to the present invention.
- Fig. 2 is a diagram showing the relationship between iron loss and sliding friction coefficient.
- Figure 3 shows the relationship between magnetic flux density and sliding friction coefficient.
- Figure 4 shows the relationship between the space factor and the sliding friction coefficient.
- the present inventors investigated an amorphous ribbon that can be continuously fabricated, and the sliding friction coefficient (F) evaluated from the viewpoint of the slip property, magnetic properties, and space factor. And found a relationship.
- the sliding friction coefficient (F) is close to 1 when the magnetic properties are good (Fig. 2 shows iron loss (W 1 in 50 Hz, 1.3 T excitation) 3/5 0) and the sliding friction coefficient.
- Fig. 3 shows the relationship between the magnetic flux density (B 8) and the sliding friction coefficient under a magnetic field of 80 A / m.
- the sliding friction coefficient (F) also decreases, but when it deteriorates further, F increases.
- this sliding friction coefficient. (F) is close to 1 and slips as the space factor decreases.
- the coefficient of friction (F) also decreases, but when it further decreases, F tends to increase.
- the iron loss is W 1 3/5 0 ⁇ 0.2 WZkg, preferably W 1 3/5 0 ⁇ 0.1. 5 WZkg, magnetic flux density B 8 ⁇ 1.5 T, preferably Must satisfy B 8 ⁇ l. 52 T, and the space factor ⁇ 80%, and the amorphous ribbon that should satisfy this characteristic is used as a reference for a good amorphous ribbon.
- the sliding friction coefficient (F) that satisfies the band characteristics, the present inventors have set 0.1 ⁇ F ⁇ 1.0 by the above adjustment, and more preferably 0.1 ⁇ F ⁇ 0.8. I found out.
- slipperiness slip friction coefficient
- the setting conditions may be changed by any one or combination of conditions such as forging speed, atmosphere, and ejection pressure.
- the gap between the forging nozzle and the chill roll is set to 200 / xm. Friction is caused by blowing molten steel at 1 3 2 0 ° C in an air atmosphere from a nozzle to a cooling roll rotating at a forging speed of 25 m / s at an ejection pressure of 0.02 4 MPa.
- the coefficient can be the value.
- the conditions of the examples are one example of conditions used for confirming the feasibility and effects of the present invention, and the present invention is limited to these examples of one condition. Is not to be done.
- the present invention can adopt various conditions as long as the object of the present invention is achieved without departing from the gist of the present invention.
- Fe 8 0.5%
- B 15.2%
- Si 3.1%
- C 1. 1%, iron-based alloy consisting of unavoidable impurities in the balance, melted in a water-cooled copper alloy with a diameter of ⁇ 1 1 9 8 mm, width of 2 50 mm, and wall thickness of 19 mm Molten steel was ejected through a ceramic nozzle with a 1700 MX 0.85 mm rectangular slit on the chill roll to produce an amorphous ribbon with a width of 1700 mm.
- Forging is performed in an atmospheric ffl atmosphere, the molten steel temperature is 1 3 20 ° C, the forging speed is 25 m // s, the injection pressure of the molten steel is 0.02 4 MPa, The Ra value of the previous cooling roll finish roughness and the gap between the nozzle and the cooling roll were changed, and the sliding friction coefficient of the obtained amorphous ribbon was measured under the conditions specified in the present invention. Further, the magnetic properties and the space factor of the amorphous ribbon were measured at the part adjacent to the part where the sliding friction coefficient was measured.
- the magnetic properties were measured using a single-plate magnetometer, and the iron loss at 50 Hz, 1.3 T excitation (W 1 3 / The magnetic flux density (B 8) was measured under a magnetic field of 80 0 AZm.
- the sliding friction coefficient is within the range specified by the present invention, and all of the iron loss, magnetic flux density, and space factor satisfy the standard values, and good characteristics are obtained. It is recognized that
- Comparative Examples Nos. 9 to 12 are examples that do not satisfy the sliding friction coefficient range specified in the present invention. However, the iron loss, magnetic flux density, and space factor were all satisfied. There wasn't. Industrial applicability
- the present invention not only the magnetic properties and the space factor of an amorphous alloy ribbon on a single plate, but also when amorphous ribbons are laminated and used like a core such as a power lance. It can prevent the deterioration of magnetic characteristics and the space factor. Molding, iron loss, noise, etc. can be prevented, and quality variations are reduced not only in the production yield of amorphous alloy ribbons but also in the use of laminated cores. Also, the surface frictional properties of the amorphous alloy ribbon are determined by the sliding friction coefficient (
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Soft Magnetic Materials (AREA)
- Continuous Casting (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/223,900 US7988798B2 (en) | 2006-02-17 | 2007-02-14 | Amorphous alloy ribbon superior in magnetic characteristics and lamination factor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006040664A JP2007217757A (ja) | 2006-02-17 | 2006-02-17 | 磁気特性および占積率に優れた非晶質合金薄帯 |
JP2006-040664 | 2006-02-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007094502A1 true WO2007094502A1 (ja) | 2007-08-23 |
Family
ID=38371672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/053120 WO2007094502A1 (ja) | 2006-02-17 | 2007-02-14 | 磁気特性および占積率に優れた非晶質合金薄帯 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7988798B2 (ja) |
JP (1) | JP2007217757A (ja) |
KR (1) | KR20080081982A (ja) |
CN (1) | CN101384745A (ja) |
TW (1) | TWI313714B (ja) |
WO (1) | WO2007094502A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021536129A (ja) * | 2018-12-17 | 2021-12-23 | チンタオ ユンルー アドバンスド マテリアルズ テクノロジー カンパニー リミテッド | 鉄基アモルファス合金ストリップ及びその製造方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5645108B2 (ja) * | 2010-07-14 | 2014-12-24 | 日立金属株式会社 | 非晶質合金薄帯および非晶質合金薄帯を有する磁性部品 |
US8974609B2 (en) * | 2010-08-31 | 2015-03-10 | Metglas, Inc. | Ferromagnetic amorphous alloy ribbon and fabrication thereof |
US8968489B2 (en) * | 2010-08-31 | 2015-03-03 | Metglas, Inc. | Ferromagnetic amorphous alloy ribbon with reduced surface defects and application thereof |
US8968490B2 (en) * | 2010-09-09 | 2015-03-03 | Metglas, Inc. | Ferromagnetic amorphous alloy ribbon with reduced surface protrusions, method of casting and application thereof |
DE112013001191B4 (de) * | 2012-03-15 | 2024-08-29 | Proterial, Ltd. | Verfahren zum Herstellen eines Bandes aus amorpher Legierung |
WO2013137118A1 (ja) * | 2012-03-15 | 2013-09-19 | 日立金属株式会社 | アモルファス合金薄帯 |
JP6478061B2 (ja) * | 2016-04-04 | 2019-03-06 | Jfeスチール株式会社 | 非晶質合金薄帯 |
WO2019243448A1 (de) * | 2018-06-21 | 2019-12-26 | Trafag Ag | Belastungsmessanordnung, Herstellverfahren hierfür und damit durchführbares Belastungsmessverfahren |
JP2021159940A (ja) * | 2020-03-31 | 2021-10-11 | Tdk株式会社 | 合金薄帯、積層コア |
JPWO2023022002A1 (ja) * | 2021-08-17 | 2023-02-23 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56119556U (ja) * | 1980-02-14 | 1981-09-11 | ||
JPS60177936A (ja) * | 1984-02-25 | 1985-09-11 | Nippon Steel Corp | 板厚の大きなFe基非晶質合金薄帯 |
JPH07113151A (ja) * | 1993-10-14 | 1995-05-02 | Nippon Steel Corp | 鉄系アモルファス合金 |
JPH09143640A (ja) * | 1995-11-21 | 1997-06-03 | Kawasaki Steel Corp | 電力トランス鉄心用の広幅非晶質合金薄帯 |
JPH09263914A (ja) * | 1996-03-29 | 1997-10-07 | Nippon Steel Corp | 非晶質薄帯用の安価なFe基母合金 |
JPH09268354A (ja) * | 1996-01-31 | 1997-10-14 | Kawasaki Steel Corp | 磁気特性に優れた低ボロンアモルファス合金およびその製造方法 |
JPH10323742A (ja) * | 1997-05-28 | 1998-12-08 | Kawasaki Steel Corp | 軟磁性非晶質金属薄帯 |
JP2005256104A (ja) * | 2004-03-12 | 2005-09-22 | Nippon Steel Corp | 動作磁歪が小さなFe基非晶質合金薄帯及びそれを用いて製造した鉄心 |
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JPS56119556A (en) * | 1980-02-26 | 1981-09-19 | Nec Corp | Control system for loop type network |
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JP2673767B2 (ja) * | 1992-11-27 | 1997-11-05 | 新日本製鐵株式会社 | 鉄心の加工性が優れ、磁気特性の良好な方向性電磁鋼板およびその製造方法 |
JP2637892B2 (ja) | 1993-04-27 | 1997-08-06 | 日立金属 株式会社 | アモルファス金属リボン |
AU3902999A (en) * | 1998-05-13 | 1999-11-29 | Allied-Signal Inc. | High stack factor amorphous metal ribbon and transformer cores |
JP2000054089A (ja) | 1998-07-31 | 2000-02-22 | Kawasaki Steel Corp | 表面性状と磁気特性に優れたFe基アモルファス合金 |
JP4623400B2 (ja) | 1999-03-12 | 2011-02-02 | 日立金属株式会社 | 軟磁性合金薄帯ならびにそれを用いた磁心及び装置 |
US20060180248A1 (en) * | 2005-02-17 | 2006-08-17 | Metglas, Inc. | Iron-based high saturation induction amorphous alloy |
-
2006
- 2006-02-17 JP JP2006040664A patent/JP2007217757A/ja active Pending
-
2007
- 2007-02-14 KR KR1020087018016A patent/KR20080081982A/ko not_active Application Discontinuation
- 2007-02-14 US US12/223,900 patent/US7988798B2/en active Active
- 2007-02-14 CN CNA200780005640XA patent/CN101384745A/zh active Pending
- 2007-02-14 WO PCT/JP2007/053120 patent/WO2007094502A1/ja active Application Filing
- 2007-02-15 TW TW096105723A patent/TWI313714B/zh active
Patent Citations (8)
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JPS56119556U (ja) * | 1980-02-14 | 1981-09-11 | ||
JPS60177936A (ja) * | 1984-02-25 | 1985-09-11 | Nippon Steel Corp | 板厚の大きなFe基非晶質合金薄帯 |
JPH07113151A (ja) * | 1993-10-14 | 1995-05-02 | Nippon Steel Corp | 鉄系アモルファス合金 |
JPH09143640A (ja) * | 1995-11-21 | 1997-06-03 | Kawasaki Steel Corp | 電力トランス鉄心用の広幅非晶質合金薄帯 |
JPH09268354A (ja) * | 1996-01-31 | 1997-10-14 | Kawasaki Steel Corp | 磁気特性に優れた低ボロンアモルファス合金およびその製造方法 |
JPH09263914A (ja) * | 1996-03-29 | 1997-10-07 | Nippon Steel Corp | 非晶質薄帯用の安価なFe基母合金 |
JPH10323742A (ja) * | 1997-05-28 | 1998-12-08 | Kawasaki Steel Corp | 軟磁性非晶質金属薄帯 |
JP2005256104A (ja) * | 2004-03-12 | 2005-09-22 | Nippon Steel Corp | 動作磁歪が小さなFe基非晶質合金薄帯及びそれを用いて製造した鉄心 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021536129A (ja) * | 2018-12-17 | 2021-12-23 | チンタオ ユンルー アドバンスド マテリアルズ テクノロジー カンパニー リミテッド | 鉄基アモルファス合金ストリップ及びその製造方法 |
JP7463348B2 (ja) | 2018-12-17 | 2024-04-08 | チンタオ ユンルー アドバンスド マテリアルズ テクノロジー カンパニー リミテッド | 鉄基アモルファス合金ストリップ及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2007217757A (ja) | 2007-08-30 |
US20100163136A1 (en) | 2010-07-01 |
US7988798B2 (en) | 2011-08-02 |
TW200800440A (en) | 2008-01-01 |
TWI313714B (en) | 2009-08-21 |
KR20080081982A (ko) | 2008-09-10 |
CN101384745A (zh) | 2009-03-11 |
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