CN1025931C - 铁镍基高导磁非晶态合金 - Google Patents

铁镍基高导磁非晶态合金 Download PDF

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Publication number
CN1025931C
CN1025931C CN92104143A CN92104143A CN1025931C CN 1025931 C CN1025931 C CN 1025931C CN 92104143 A CN92104143 A CN 92104143A CN 92104143 A CN92104143 A CN 92104143A CN 1025931 C CN1025931 C CN 1025931C
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China
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alloy
iron
amorphous alloy
high permeability
heat
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CN92104143A
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CN1066745A (zh
Inventor
刘国栋
张传历
马鸿良
徐世珍
李京北
李学才
丁力栋
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Advanced Technology and Materials Co Ltd
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Central Iron and Steel Research Institute
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Priority to US08/070,525 priority patent/US5338376A/en
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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
    • H01F1/12—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
    • H01F1/15308—Amorphous metallic alloys, e.g. glassy metals based on Fe/Ni
    • 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

Abstract

本发明系铁镍基高导磁非晶态合金。它的化学成成(原子百分比)为：FewNixCraSibBcPd，其中：30≤x≤45，0.5≤a≤1.2，5≤b≤14，5≤c≤15，1.0≤d≤3，w＝100-x-a-b-c-d。本发明合金采用急冷喷带成型，它不仅可以在空气下进行热处理，而且可获得优异的磁学性能：B10≥7900Gs，Br≥7500Gs，Hc≤0.008Oe，μm≥58×104。主要适用于电器中各种磁性元、器件。

Description

本发明属于非晶态合金。主要适用于电器中各种磁性元器件。
非晶态合金是近十几年发展起来的一种具有优异磁学性能，且生产工艺简单，成本低廉的软磁材料。但这类软磁非晶态材料都需经热处理后才能获得优异的磁学性能及其它性能。
绝大部分非晶态材料的一个共同缺点就是抗氧化性能差，因此，在对它们进行热处理时，就需在保护气氛下进行。如现市场上大量投放的铁镍基软磁合金2826（FeNiPB）、2826MB（FeNiMoB）就需在保护气氛下进行热处理。
DE3938177A提供了一种含有Cu、Si、Co或Ni的铁基非晶态合金，实际上它是一种微晶合金，它是在热处理时，通过控制微晶的晶粒尺寸来获得优异的磁性能。根据该专利的成分范围，热处理时必须加保护气氛。
日本专利JP54-23020所述的铁基非晶态合金，其化学成分中含有Cr、Si、B，并可用Ni、Co部分代替Fe。该合金的主要特点是可获得高的饱和磁感强度Bs及较低的铁损耗。但由于该合金中Cr＞2%，故对应力敏感，导磁率不高，且不稳定。
本发明的目的在于提供一种不仅可在空气下（无需保护气氛下）进行热处理，并具有优异的软磁性能和良好的工艺性能的非晶态合金。
针对上述目的，本发明非晶态合金的化学成分（原子百分比）为：FewNiXCraSibBcPd
30≤x≤45
0.5≤a≤1.2
5≤b≤14
5≤c≤15
1.0≤d≤3
w＝100-x-a-b-c-d
显然，本发明为铁镍基合金。
其合金成分的设计原理如下：
铁是磁性的基本元素，随铁含量增加，其饱和磁感提高，但与此同时，磁致伸缩（λs）增大，使得导磁率下降，矫顽力增大，因而在获得一定高导磁率的情况下应控制铁的含量。
镍能显著降低磁致伸缩，但含量太高时，饱和磁感下降，居里点温度降低，使得磁性对温度更为敏感。
铬的加入可提高合金的抗氧化性能，特别是在高镍下，加入一定量的铬相配合，不仅能综合提高抗氧化性能，而且能保持高的磁性能，改善带材的质量。但铬含量太高，可导致磁性能恶化，特别是对应力十分敏感，使得铁芯无法大批量生产，因而铬含量必须控制在一定范围内，以0.5～1.2为宜，铬含量小于0.5起不到抗氧化的作用，而铬含量大于1.2时，将使合金的应力敏感性上升。
硅、硼是非晶形成元素。
磷也是非晶形成元素，加磷的主要目的是降低熔融态合金的粘度，提高流动性，提高喷带成材的工艺性能，提高成材率;同时，降低钢水对喷嘴材料和塞杆材料的浸蚀，使之可选用廉价的石墨材料制作喷嘴和塞杆，降低成本。
本发明所述的非晶态合金，采用急冷喷带成型的制造方法成材。并随后在空气下在350℃～380℃温度范围内进行热处理。
采用本发明所述的化学成分（原子百分比）范围和急冷喷带制造方法所制成的非晶态合金，不仅可在空气下进行热处理，而且可获得如下的良好的磁性能：
B10≥7900 Ge
Br≥7500    Gs
Hc≤0.008    Oe
μm≥58×104
实施例
根据本发明所述的化学成分（原子百分比）范围，采用急冷喷带制造方法，喷制了5炉本发明铁 镍基高导磁非晶态合金。为了对比，在同一设备及同一工艺条件下还喷制一炉现有非晶态合金2826。6炉非晶态合金的实际化学成分如表1所示。
所喷制的6炉非晶态合金带材在空气下进行热处理，其热处理温度、时间以及热处理后的磁性能如表2所示。
将经过热处理的第一炉号和对比例的非晶态合金带材，取一部分卷取制成内径φ14mm、外径φ19mm和高10mm的环，进行电输出特性试验，其试验结果如表3所示。（表见文后）。
表1    实施例和对比例的化学成分（at%）
成分
Fe    Ni    Cr    Si    B    P
炉号
1    45.50    30.0    0.5    14    8    2.0
本    2    40.50    37.0    0.5    13    8    1
发    3    42.25    34.75    1    12.5    8    1.5
明    4    36.8    40.0    1.2    12    8    2.0
5    30.0    45.0    0.5    14    8    2.5
对比例    6    40    40    8    12
表2    实施例和对比例热处理制度及磁性能
热处理    磁性能
炉号
温度 时间 B10Br Hc μm
℃ 小时 Gs Gs Oe ×104
1    360    1    7200    6100    0.006    62
本    2    360    1    8200    7980    0.006    72.3
发    3    360    1    8050    7640    0.007    68.6
明    4    375    1    7980    7540    0.008    58.6
5    380    1    6900    6500    0.007    60.1
对比例    6    320    1    7500    6800    0.008    58.6
表3    实施例和对比例的电特性
合金    本发明炉号1    对比例炉号6
试样号
特性    1    2    3    4    5    6    7    8
输出电流    mA    50    50    50    50    50    50    50    50
输出电压    mV    2.1    2.2    2.0    2.4    1.9    1.8    2.0    1.7

Claims (1)

  1. 一种铁镍基高导磁非晶态合金，化学成分(原子百分比)为：
    FewNixCraSibBcPd
    其中：30≤x≤45，
    5≤b≤14
    5≤c≤15
    1.0≤d≤3
    w=100-x-a-b-c-d
    其特征在于：
    0.5≤a≤1.2
CN92104143A 1992-06-05 1992-06-05 铁镍基高导磁非晶态合金 Expired - Fee Related CN1025931C (zh)

Priority Applications (2)

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CN92104143A CN1025931C (zh) 1992-06-05 1992-06-05 铁镍基高导磁非晶态合金
US08/070,525 US5338376A (en) 1992-06-05 1993-06-03 Iron-nickel based high permeability amorphous alloy

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CN92104143A CN1025931C (zh) 1992-06-05 1992-06-05 铁镍基高导磁非晶态合金

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JP4849545B2 (ja) * 2006-02-02 2012-01-11 Ｎｅｃトーキン株式会社 非晶質軟磁性合金、非晶質軟磁性合金部材、非晶質軟磁性合金薄帯、非晶質軟磁性合金粉末、及びそれを用いた磁芯ならびにインダクタンス部品
CN103917673B (zh) 2011-08-22 2016-04-13 加利福尼亚技术学院 块状的含有铬和磷的镍基金属玻璃
US11377720B2 (en) 2012-09-17 2022-07-05 Glassimetal Technology Inc. Bulk nickel-silicon-boron glasses bearing chromium
DE112013005202T5 (de) 2012-10-30 2015-08-27 Glassimetal Technology, Inc. Nickelbasierende chrom- und phosphorhaltige metallische Massivgläser mit hoher Härte
US9556504B2 (en) 2012-11-15 2017-01-31 Glassimetal Technology, Inc. Bulk nickel-phosphorus-boron glasses bearing chromium and tantalum
US9534283B2 (en) * 2013-01-07 2017-01-03 Glassimental Technology, Inc. Bulk nickel—silicon—boron glasses bearing iron
US9816166B2 (en) 2013-02-26 2017-11-14 Glassimetal Technology, Inc. Bulk nickel-phosphorus-boron glasses bearing manganese
US9863025B2 (en) 2013-08-16 2018-01-09 Glassimetal Technology, Inc. Bulk nickel-phosphorus-boron glasses bearing manganese, niobium and tantalum
US9920400B2 (en) 2013-12-09 2018-03-20 Glassimetal Technology, Inc. Bulk nickel-based glasses bearing chromium, niobium, phosphorus and silicon
US9957596B2 (en) 2013-12-23 2018-05-01 Glassimetal Technology, Inc. Bulk nickel-iron-based, nickel-cobalt-based and nickel-copper based glasses bearing chromium, niobium, phosphorus and boron
US10000834B2 (en) 2014-02-25 2018-06-19 Glassimetal Technology, Inc. Bulk nickel-chromium-phosphorus glasses bearing niobium and boron exhibiting high strength and/or high thermal stability of the supercooled liquid
US10287663B2 (en) 2014-08-12 2019-05-14 Glassimetal Technology, Inc. Bulk nickel-phosphorus-silicon glasses bearing manganese
US11905582B2 (en) 2017-03-09 2024-02-20 Glassimetal Technology, Inc. Bulk nickel-niobium-phosphorus-boron glasses bearing low fractions of chromium and exhibiting high toughness
US10458008B2 (en) 2017-04-27 2019-10-29 Glassimetal Technology, Inc. Zirconium-cobalt-nickel-aluminum glasses with high glass forming ability and high reflectivity
US11371108B2 (en) 2019-02-14 2022-06-28 Glassimetal Technology, Inc. Tough iron-based glasses with high glass forming ability and high thermal stability
CN114150236A (zh) * 2020-12-24 2022-03-08 佛山市中研非晶科技股份有限公司 铁基非晶合金薄膜及制备方法、应用其的电磁屏蔽膜与设备
CN115673306B (zh) * 2022-11-14 2023-07-21 青岛正望新材料股份有限公司 一种用于高磷非晶合金生产的塞杆及其制造方法

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US5338376A (en) 1994-08-16

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