CN101894649A - New iron-based magnetically soft alloy with strong glass forming capability - Google Patents
New iron-based magnetically soft alloy with strong glass forming capability Download PDFInfo
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- CN101894649A CN101894649A CN2009101417887A CN200910141788A CN101894649A CN 101894649 A CN101894649 A CN 101894649A CN 2009101417887 A CN2009101417887 A CN 2009101417887A CN 200910141788 A CN200910141788 A CN 200910141788A CN 101894649 A CN101894649 A CN 101894649A
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Abstract
The invention discloses an iron-based magnetically soft alloy with strong glass forming capability. A vacuum induction melting furnace is adopted, and the iron-based magnetically soft alloy with strong glass forming capability is prepared by the steps of: smelting 50 to 80 percent of Fe, 5 to 40 percent of B and 10 to 30 percent of M in the vacuum induction furnace or an electric arc furnace into master alloy, wherein M is one or more of elements, such as Nb, Zr, Co, Si and the like; melting the master alloy ingot in the vacuum state through electromagnetic induction and spraying the molten master alloy ingot on a rotating copper roller at the speed of 10 to 50 m/s to solidify quickly so as to form a brilliant rapid-quenched strip with certain width and thickness; and crystallizing the rapid-quenched strip at the temperature of between 500 and 900 DEG.C in a tube furnace of which vacuum degree is greater than 0.01 Pa, and keeping the temperature for 2 to 30 minutes to obtain a nano-crystalline structure or a nano-crystalline and noncrystalline mixed structure. The alloy has very strong glass forming capability, and before crystallization, the saturation magnetization is 40 to 80 emu/g and after crystallization, the saturation magnetization is 60 to 120 emu/g; and the alloy has very brilliant surface before and after crystallization, and strong inoxidizability which contributes to long-time use.
Description
Technical field
The present invention relates to a kind of novel amorphous/nanocrystalline magnetically soft alloy, have very strong amorphous formation ability, the crystallization front and rear surfaces is all very bright, and non-oxidizability is very strong, belongs to the field of new of amorphous/nanocrystalline magnetically soft alloy.
Background technology
Along with the energy, information and development of material technology, demand to electronic material is more and more higher, corrosion resistance, non-oxidizability and high functionality more and more are subjected to people's attention, and the exploitation of magnetically soft alloy also constantly advances the continuous progress of industries such as electronics, electric power and electrical equipment.As magnetically soft alloy commonly used from early straight carbon steel, to the silicon steel of power industry supporting role; to sloping Mo alloy, to emerging Fe-Si-B series, have more the Fe-Si-Cu-Nb-B series of potentiality more up till now, the continuous development of material is promoting the continuous progress of power industry and the continuous reduction of social cost.
Yet owing to soft magnetic material uses in crystalline state usually, and the crystalline state state of these alloys is in most cases more crisp, uses and is limited to.Therefore, the present invention is by adjusting the composition of alloy, can prepare that amorphous formation ability is good, anti-corrosion, good in oxidation resistance and toughness magnetically soft alloy preferably.
Summary of the invention
The objective of the invention is to propose to prepare a kind of novel amorphous/nanocrystalline magnetically soft alloy, with respect to existing alloy system, it has good amorphous formation ability, and corrosion resistance, the non-oxidizability of alloy are very good, and particularly toughness is better.Its material preparation method is simple, is applicable to mass production.
A kind of novel amorphous/nanocrystalline magnetically soft alloy of the present invention, its preparation process comprises the following steps:
(1), according to a certain percentage dispose Fe (50～80%), B (5～40%) and M (10～30%) alloy, wherein M is one or more of elements such as Nb, Zr, Co, Si;
(2), adopt vacuum melting technology master alloy melting ingot casting;
(3), under vacuum state, with the mother alloy ingot remelting, and by quick quenching technique molten metal is ejected into that (rapid solidification on 10～50m/s) the rotation copper roller forms the fast quenching thin strap of certain width and thickness, or utilizes copper mold casting to inhale and cast amorphous bulk with certain roll surface speed;
(4), analyze result and performance demands, determine the crystallization temperature of amorphous, about 500～900 ℃ according to DSC and XRD etc.;
(5), sample carried out crystallization handle in vacuum degree be better than the vacuum furnace of 0.01Pa, about 500～900 ℃ of crystallization temperature, temperature retention time 2～30 minutes obtains nanometer crystal microstructure;
(6), utilize VSM etc. that sample is carried out performance test;
(7), utilize TEM etc. that sample is carried out structured testing
(8), through operation such as detection, be assembled on different electronics, the circuit devcie.
A kind of novel amorphous/nanocrystalline magnetically soft alloy of the present invention, with respect to existing alloy system, this alloy amorphous formation ability is strong, and corrosion resistance, the non-oxidizability of alloy are very good, and particularly toughness is better.Its material preparation method is simple, is applicable to mass production.
Prepared amorphous/nanocrystalline magnetically soft alloy can be used for the preparation of ultracrystallite magnetic core magnetic core, is used for the soft magnetic core of electronics such as circuit breaker, transformer, circuit.
Description of drawings
Fig. 1 is Nb
12Fe
64B
24The quench XRD figure spectrum of attitude of alloy 15m/s fast quenching thin strap
Fig. 2 is the Nb-Fe-B alloy DTA curve of attitude of quenching
Fig. 3 is Nb
12Fe
64B
24Alloy 15m/s fast quenching thin strap is handled 4 minutes XRD figure spectrum through 710 ℃ of crystallization
Fig. 4 is Nb
12Fe
64B
24Alloy 15m/s fast quenching thin strap is through the magnetic hysteresis loop of 710 ℃ of crystallization processing after 4 minutes
Embodiment
Below will be with Nb
12Fe
64B
24Alloy is an example, and the preparation of the novel amorphous/nanocrystalline magnetically soft alloy that the present invention proposes is described.
1, be raw material with purity greater than 99% Armco iron, Fe-B alloy and Nb-Fe alloy or pure Nb, under the high-purity argon gas protection, adopting vacuum induction melting furnace melting nominal composition is Nb
12Fe
64B
24Mother alloy ingot;
2, under vacuum,, and molten metal is ejected into certain roll surface speed 15m/s by quick quenching technique with the mother alloy ingot remelting) rotation copper roller on rapid solidification, form the about 30 μ m of thickness, the fast quenching thin strap of wide about 18mm, the attitude of quenching structure such as Fig. 1;
3, fast quenching thin strap is carried out dsc analysis,, determine 710 ℃ of crystallization temperatures as Fig. 2;
4, in vacuum degree is better than being higher than the vacuum furnace of 0.005Pa, carry out crystallization and handle, about 710 ℃ of crystallization temperature, temperature retention time 4 minutes obtains nanocrystalline and line and staff control amorphous, and its XRD figure is composed as Fig. 3;
5, utilize VSM etc. that sample is carried out performance test, as Fig. 4;
6, its saturation magnetization is 60～120emu/g after the sample crystallization.
Claims (6)
1. novel amorphous/nanocrystalline magnetically soft alloy, with respect to existing alloy system, it has good amorphous formation ability, and corrosion resistance, the non-oxidizability of alloy are very good, and particularly toughness is better.Its material preparation method is simple, is applicable to mass production.
2. the composition range of amorphous/nanocrystalline magnetically soft alloy according to claim 1, it comprises: dispose Fe (50～80%) according to a certain percentage, B (5～40%) and M (10～30%) alloy, wherein M is one or more of elements such as Nb, Zr, Co, Si.
3. amorphous/nanocrystalline magnetically soft alloy according to claim 1 is characterized in that: alloy can be prepared into fast quenching thin strap or utilize copper mold casting to inhale and cast amorphous bulk.
4. amorphous/nanocrystalline magnetically soft alloy according to claim 1 is characterized in that: the condition that adopts vacuum degree to be better than 0.01Pa is carried out crystallization and is handled about 500～900 ℃ of crystallization temperature, temperature retention time 2～30 minutes in vacuum furnace.
5. amorphous/nanocrystalline magnetically soft alloy according to claim 1 is characterized in that: alloy amorphous formation ability is strong, and corrosion resistance, the non-oxidizability of alloy are very good, and particularly toughness is better.
6. according to the prepared amorphous/nanocrystalline magnetically soft alloy of claim 1, can be used for the preparation of ultracrystallite magnetic core magnetic core, be used for the soft magnetic core of electronics such as circuit breaker, transformer, circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009101417887A CN101894649A (en) | 2009-05-19 | 2009-05-19 | New iron-based magnetically soft alloy with strong glass forming capability |
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| CN2009101417887A CN101894649A (en) | 2009-05-19 | 2009-05-19 | New iron-based magnetically soft alloy with strong glass forming capability |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458591A (en) * | 2016-01-06 | 2016-04-06 | 合肥长城制冷科技有限公司 | Three-phase rectifying wire tubular self-feeding novel welder |
| CN105803452A (en) * | 2016-04-04 | 2016-07-27 | 苏州思创源博电子科技有限公司 | Preparing method of magnetically soft alloy with amorphous coating |
| CN106809047A (en) * | 2017-03-28 | 2017-06-09 | 深圳市晶弘科贸有限公司 | Electric automobile wireless charging device |
| CN106849389A (en) * | 2017-03-28 | 2017-06-13 | 深圳市晶弘科贸有限公司 | The miniature specific type of electric machine of non-crystaline amorphous metal |
| CN109273233A (en) * | 2018-09-19 | 2019-01-25 | 上海岱梭动力科技有限公司 | The preparation method and magnetic core of magnetic core |
| CN110153415A (en) * | 2019-06-18 | 2019-08-23 | 赣州华京稀土新材料有限公司 | A kind of neodymium-iron-boron preparation |
| CN110423956A (en) * | 2019-08-28 | 2019-11-08 | 西北工业大学 | A kind of ferrum-silicon-boron amorphous nanocomposite micro-sphere material and preparation method |
| CN116288076A (en) * | 2023-03-22 | 2023-06-23 | 哈尔滨工业大学 | Fe-based nanocrystalline/amorphous alloy for degrading aniline in organic wastewater and separating hydrogen and oxygen from electrolyzed water and application |
| KR102653095B1 (en) * | 2022-11-24 | 2024-04-01 | 주식회사 이엠엘 | Fe-based soft magnetic amorphous and nanocrystalline alloy materials with high saturation magnetization characteristics |
Citations (3)
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| CN1092201A (en) * | 1994-01-29 | 1994-09-14 | 冶金工业部钢铁研究总院 | The manufacture method of iron-base quick-quenching soft magnetic alloy core |
| CN1403615A (en) * | 2002-08-16 | 2003-03-19 | 安泰科技股份有限公司 | Iron-base bulk amorphous soft-magnetic alloy material |
| CN1621550A (en) * | 2004-11-26 | 2005-06-01 | 中国兵器工业第五二研究所 | Method for preparing specific squareness ratio nanocrystalline soft magnetic material without magnetic field treatment |
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2009
- 2009-05-19 CN CN2009101417887A patent/CN101894649A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1092201A (en) * | 1994-01-29 | 1994-09-14 | 冶金工业部钢铁研究总院 | The manufacture method of iron-base quick-quenching soft magnetic alloy core |
| CN1403615A (en) * | 2002-08-16 | 2003-03-19 | 安泰科技股份有限公司 | Iron-base bulk amorphous soft-magnetic alloy material |
| CN1621550A (en) * | 2004-11-26 | 2005-06-01 | 中国兵器工业第五二研究所 | Method for preparing specific squareness ratio nanocrystalline soft magnetic material without magnetic field treatment |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458591A (en) * | 2016-01-06 | 2016-04-06 | 合肥长城制冷科技有限公司 | Three-phase rectifying wire tubular self-feeding novel welder |
| CN105803452A (en) * | 2016-04-04 | 2016-07-27 | 苏州思创源博电子科技有限公司 | Preparing method of magnetically soft alloy with amorphous coating |
| CN106809047A (en) * | 2017-03-28 | 2017-06-09 | 深圳市晶弘科贸有限公司 | Electric automobile wireless charging device |
| CN106849389A (en) * | 2017-03-28 | 2017-06-13 | 深圳市晶弘科贸有限公司 | The miniature specific type of electric machine of non-crystaline amorphous metal |
| CN109273233A (en) * | 2018-09-19 | 2019-01-25 | 上海岱梭动力科技有限公司 | The preparation method and magnetic core of magnetic core |
| CN110153415A (en) * | 2019-06-18 | 2019-08-23 | 赣州华京稀土新材料有限公司 | A kind of neodymium-iron-boron preparation |
| CN110423956A (en) * | 2019-08-28 | 2019-11-08 | 西北工业大学 | A kind of ferrum-silicon-boron amorphous nanocomposite micro-sphere material and preparation method |
| KR102653095B1 (en) * | 2022-11-24 | 2024-04-01 | 주식회사 이엠엘 | Fe-based soft magnetic amorphous and nanocrystalline alloy materials with high saturation magnetization characteristics |
| CN116288076A (en) * | 2023-03-22 | 2023-06-23 | 哈尔滨工业大学 | Fe-based nanocrystalline/amorphous alloy for degrading aniline in organic wastewater and separating hydrogen and oxygen from electrolyzed water and application |
| CN116288076B (en) * | 2023-03-22 | 2024-04-05 | 哈尔滨工业大学 | Fe-based nanocrystalline/amorphous alloy for degrading aniline in organic wastewater and separating hydrogen and oxygen from electrolyzed water and application |
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Application publication date: 20101124 |