CN104021910A - Magnetically soft alloy having high initial magnetic conductivity and used under high-frequency condition - Google Patents
Magnetically soft alloy having high initial magnetic conductivity and used under high-frequency condition Download PDFInfo
- Publication number
- CN104021910A CN104021910A CN201410298274.3A CN201410298274A CN104021910A CN 104021910 A CN104021910 A CN 104021910A CN 201410298274 A CN201410298274 A CN 201410298274A CN 104021910 A CN104021910 A CN 104021910A
- Authority
- CN
- China
- Prior art keywords
- alloy
- condition
- magnetically soft
- frequency
- percent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Soft Magnetic Materials (AREA)
Abstract
The invention relates to a magnetically soft alloy having high initial magnetic conductivity and used under a high-frequency condition. The magnetically soft alloy comprises the following components by mass percent: 15.38 percent of Fe, 0.6 percent of Cu, 2.5 percent of Nb, 11 percent of Si, 9 percent of B and the balance being Co. The preparation method comprises the following steps: uniformly mixing the components according the mass percent, smelting the mixture in a vacuum induction furnace to form master alloy ingot, and producing an amorphous alloy strip through a single-roll melt rotating fast quenching method after the master alloy ingot is cooled; and heating, preserving the heat and cooling the amorphous alloy strip in a magnetic-field-free vacuum tubular furnace. The magnetically soft alloy has the advantages that the preparation process is simple and the cost is low; the high-frequency performance is excellent, and the relaxation frequency reaches up to 5.03MHz; the quality factor of the magnetically soft alloy is 5.08 under the condition of 1MHz; the initial magnetic conductivity is maintained at 260 under the condition that the frequency is 1kHz to 1MHz and the magnetic field is 0.05A/m.
Description
Technical field
The present invention relates to magnetic function soft magnetic material field, is exactly a kind of for high frequency condition and have the magnetically soft alloy of high initial magnetoconductivity specifically.
Background technology
Soft magnetic material refers to that those have the metallicl magnetic material of low-coercivity, high magnetic permeability.It is at electric power, in electronics and Modern New Technology, there is important and application widely, particularly along with the development of high frequency technique, high frequency characteristics to soft magnetic material is had higher requirement, general is high magnetic permeability and low loss to the requirement of soft magnetic material, in the time being applied to high-frequency, more require in wide band limits, to there is high magnetic permeability and low-loss, i.e. good high quality factor.Magnetic permeability is one of basic parameter of soft magnetic material, mainly refers to initial permeability μ
ibe the permeability that working point is positioned at magnetization curve initial part, for the soft magnetic material of applying under low-intensity magnetic field, this is most important performance index.
The people such as Yoshizawa in 1988 have reported FeNbSiBCu nanometer crystal alloy, and such alloy has caused widely and paid close attention to its excellent soft magnetic characteristic and cheap preparation cost.Non-crystaline amorphous metal forms the nanocrystal that is uniformly distributed in noncrystal substrate after Annealing Crystallization, intercrystalline exchange coupling averages out magnetocrystalline anisotropy, thereby effective anisotropy constant (K) reduces greatly, cause nanometer crystal alloy to obtain excellent soft magnetic characteristic.Fe base nanometer crystal magnetically soft alloy is taking FeNbSiBCu (trade names are as Finemet) and FeZrBCu (trade names are as Nanoperm) as Typical Representative, under low frequency condition, there is high magnetic permeability, the soft magnetic characteristic that low coercive force etc. are excellent.But the relaxation frequency of Fe Based Nanocrystalline Alloys is lower, under high frequency loss serious, therefore can not be applied under high frequency condition.The relaxation frequency f of magnetically soft alloy
0to evaluate two important parameters of its high frequency performance with quality factor q.Higher relaxation frequency and larger quality factor illustrative material have good high frequency performance.Under alternating magnetic field condition, people wish the higher initial permeability under material low frequency to be remained to higher frequency.The high initial magnetoconductivity magnetically soft alloy that therefore can be applied under high frequency condition must obtain extensive use.The people such as Miiller find that in Finemet amorphous alloy, substituting Fe by Co part can reduce saturation magnetostriction constant, and this is conducive to carry heavy alloyed soft magnetic characteristic.Meanwhile, in FeSiB non-crystaline amorphous metal, add Co after anisotropy improve, and larger anisotropy improves the resonance frequency of material, can expand the frequency range of materials'use.
By alloy element proportioning and suitable annealing process, can realize control magnetic property, as obtained high relaxation frequency soft magnetic material.But, high-frequency soft magnetic material is except having high relaxation frequency, also should there be higher initial permeability, high quality factor, low energy loss and wide frequency band etc., and traditional iron nickel system alloy is often only pursued the performance of single aspect, cannot take into account other parameters, make material property fail to reach good balance.
Find at Fe by analyzing us
73.5cu
1nb
3si
13.5b
9in nanometer crystal alloy, replace Fe can effectively carry heavy alloyed relaxation frequency by Co part: by original 10
4hz brings up to 10
6hz, has improved 2 orders of magnitude.But at Fe
73.5cu
1nb
3si
13.5b
9in alloy, replace the quality factor of the nanometer crystal alloy that Fe forms not high by Co part, under 1MHz condition, (Fe
0.5co
0.5)
73.5cu
1nb
3si
13.5b
9the quality factor of nanometer crystal alloy are slightly larger than 1.
Fe under room temperature
76.9cu
0.6nb
2.5si
11b
9there are more high magnetic permeability and quality factor.Be under 1KHz, the magnetic field intensity condition that is 0.05A/m in frequency, Fe
76.9cu
0.6nb
2.5si
11b
9the relative permeability of nanometer crystal alloy can reach 20.9 × 10
4.This just provides advantage for further putting forward heavy alloyed quality factor after the alternative Fe of Co.Therefore we are at Fe
76.9cu
0.6nb
2.5si
11b
9on alloy basis, replace Fe by Co part, prepare the nano-crystal soft magnetic alloy with high frequency stability.
The people such as nearest Yoshizawa are at Fe
78.8cu
0.6nb
2.6si
9b
9on the basis of alloy, add Co and make Fe
8.8co
70cu
0.6nb
2.6si
9b
9nanometer crystal alloy, its relative permeability is μ (0.05A/m, 100KHz)=205, quality factor are Q (1MHz)=13.4.Under high frequency condition (1MHz), although (Fe
0.2co
0.8)
76.9cu
0.6nb
2.5si
11b
9the quality factor of nanometer crystal alloy compare Fe
8.8co
70cu
0.6nb
2.6si
9b
9the quality factor of nanometer crystal alloy are low, but under 1MHz condition (Fe
0.2co
0.8)
76.9cu
0.6nb
2.5si
11b
9nanometer crystal alloy has the Fe of ratio
8.8co
70cu
0.6nb
2.6si
9b
9the magnetic permeability that nanometer crystal alloy is high 1 times, and the characteristic with frequency change hardly within the scope of 1MHz of the real part with complex permeability.
Summary of the invention
The object of the invention is for above-mentioned existing problems, provide a kind of for high frequency condition and there is the magnetically soft alloy of high initial magnetoconductivity, this magnetically soft alloy is nanometer crystal alloy, still has high initial permeability under upper frequency, has higher quality factor and relaxation frequency simultaneously.
Technical scheme of the present invention:
For high frequency condition and there is the magnetically soft alloy of high initial magnetoconductivity, formed by Fe, Co, Cu, Nb, Si and B, the mass percent of each component is: Fe15.38%, Cu0.6%, Nb2.5%, Si11%, B9%, surplus is Co.
Described for high frequency condition and have the preparation method of the magnetically soft alloy of high initial magnetoconductivity, step is as follows:
1) preparation of non-crystaline amorphous metal
By mass percentage purity is all not less than to 99.9% the each component of Fe, Co, Cu, Nb, Si and B and mixes, in vaccum sensitive stove, be smelted into master alloy ingot, weightless lower than 5%, be cooled to that to adopt single roller melt rotation quick quenching technique to prepare composition after room temperature be Fe
15.38co
61.52cu
0.6nb
2.5si
11b
9aMORPHOUS ALLOY RIBBONS, width is 5mm, thickness is 25 μ m;
2) preparation of nanometer crystal alloy sample
Above-mentioned AMORPHOUS ALLOY RIBBONS is placed in the vacuum tube furnace without magnetic field, and in stove, vacuum degree reaches 1 × 10
-3under Pa condition, be warming up to 723K and be incubated 30min with the firing rate of 15K/min, then cool to room temperature with the furnace, can make for high frequency condition and there is the nano-crystal soft magnetic alloy of high initial magnetoconductivity.
Advantage of the present invention and beneficial effect are:
This soft magnetism magnetically soft alloy preparation technology is simple, cost is low; High frequency performance is superior, and its relaxation frequency is up to 5.03MHz; Under the condition of 1MHz, its quality factor are 5.08; In the scope that is 1kHz-1MHz in frequency, under the condition that is 0.05A/m of magnetic field, initial permeability remains on 260 invariable.
Brief description of the drawings
Fig. 1 is (Fe
1-xco
x)
76.9cu
0.6nb
2.5si
11b
9in, x is respectively the nano-crystal soft magnetic alloy plural number initial permeability of preparing under 0,0.1,0.3,0.5,0.8 condition with frequency variation curve (H=0.05A/m), wherein: (a) being real part, is (b) imaginary part.
Fig. 2 is (Fe
1 ?xco
x)
76.9cu
0.6nb
2.5si
11b
9in, x is respectively real part μ ', the relaxation frequency f of the complex permeability of the nano-crystal soft magnetic alloy of preparing under 0,0.1,0.3,0.5,0.8 condition
0, quality factor q and electricalresistivityρ be with Co content relation.
Embodiment
Embodiment:
For high frequency condition and there is the magnetically soft alloy of high initial magnetoconductivity, formed by Fe, Co, Cu, Nb, Si and B, the mass percent of each component is: Fe15.38%, Cu0.6%, Nb2.5%, Si11%, B9%, surplus is Co; This magnetically soft alloy represents to be (Fe with chemical general formula
1-xco
x)
76.9cu
0.6nb
2.5si
11b
9, in formula: x=0.8.
Described for high frequency condition and have the preparation method of the magnetically soft alloy of high initial magnetoconductivity, step is as follows:
1) preparation of non-crystaline amorphous metal
By mass percentage purity is all not less than to 99.9% the each component of Fe, Co, Cu, Nb, Si and B and mixes, be smelted into master alloy ingot in vaccum sensitive stove, weightlessness is 3%, is cooled to that to adopt single roller melt rotation quick quenching technique to prepare composition after room temperature be Fe
15.38co
61.52cu
0.6nb
2.5si
11b
9aMORPHOUS ALLOY RIBBONS, width is 5mm, thickness is 25 μ m;
2) preparation of nanometer crystal alloy sample
Above-mentioned AMORPHOUS ALLOY RIBBONS is placed in the vacuum tube furnace without magnetic field, and in stove, vacuum degree reaches 1 × 10
- 3under Pa condition, be warming up to 723K and be incubated 30min with the firing rate of 15K/min, then cool to room temperature with the furnace, can make for high frequency condition and there is the nano-crystal soft magnetic alloy of high initial magnetoconductivity.
High frequency performance detects:
Comparative sample is set: select altogether the magnetically soft alloy sample of five different Co content, represent (Fe with chemical general formula
1-xco
x)
76.9cu
0.6nb
2.5si
11b
9, in formula: x is respectively 0,0.1,0.3,0.5,0.8, the preparation method of nano-crystal soft magnetic alloy sample is identical.
Detection method: alloy thin band is prepared into ring-type sample, on ring-type sample, be wound around enamelled wire, enamelled wire two ends must be with being connected with electric impedance analyzer after sand papering, detecting respectively each nano-crystal soft magnetic alloy sample is 1kHz in frequency, and magnetic field is initial permeability μ under 0.05A/m condition, relaxation frequency f
0with the quality factor q under 1MHz condition.
Table 1 is that each sample is 1kHz in frequency, and magnetic field is initial permeability μ under 0.05A/m condition, relaxation frequency f
0with the quality factor q under 1MHz condition.
Table 2 is that each sample is the initial permeability μ (real part) under 0.05A/m condition in magnetic field.
Fig. 1 is (Fe
1-xco
x)
76.9cu
0.6nb
2.5si
11b
9in, x is respectively the nano-crystal soft magnetic alloy plural number initial permeability of preparing under 0,0.1,0.3,0.5,0.8 condition with frequency variation curve (H=0.05A/m), wherein: (a) being real part, is (b) imaginary part.
Fig. 2 is (Fe
1 ?xco
x)
76.9cu
0.6nb
2.5si
11b
9in, x is respectively real part μ ', the relaxation frequency f of the complex permeability of the nano-crystal soft magnetic alloy of preparing under 0,0.1,0.3,0.5,0.8 condition
0, quality factor q and electricalresistivityρ be with Co content relation.
Testing result shows: the high frequency performance optimum of alloy in the time that Co content is x=0.8.
Table 1
| Co content x | μ (1kHz，0.05A/m) | f 0(MHz) | Q (1MHz) |
| 0 | 3660 | 0.413 | 0.73 |
| 0.1 | 2737 | 0.555 | 1 |
| 0.3 | 1851 | 0.744 | 1.1013 |
| 0.5 | 849 | 4.34 | 3.7869 |
| 0.8 | 262 | 5.03 | 5.0822 |
| f | X＝0 | X＝0.1 | X＝0.3 | X＝0.5 | X＝0.8 |
| 1000 | 3660.96862 | 2737.51551 | 1851.23667 | 849.92623 | 262.67269 |
| 1160 | 3664.81228 | 2728.8688 | 1849.26381 | 857.211 | 267.11724 |
| 1340 | 3656.78647 | 2739.08313 | 1856.69487 | 856.80762 | 261.3109 |
| 1550 | 3652.56507 | 2732.17897 | 1854.5237 | 860.85755 | 266.95357 |
| 1800 | 3652.00336 | 2734.35329 | 1855.39142 | 857.35119 | 263.08689 |
| 2080 | 3645.2972 | 2737.05335 | 1848.84362 | 858.14335 | 267.58609 |
| 2410 | 3642.25318 | 2731.14981 | 1849.66685 | 857.59718 | 266.07729 |
| 2800 | 3641.3775 | 2730.46774 | 1851.39585 | 858.89122 | 266.42879 |
| 3240 | 3635.85608 | 2727.14919 | 1850.02434 | 856.27395 | 267.31958 |
| 3750 | 3630.46711 | 2729.29529 | 1850.45257 | 856.53245 | 266.53283 |
| 4350 | 3625.97344 | 2725.44169 | 1851.13323 | 855.89872 | 265.76829 |
| 5030 | 3622.34319 | 2727.21867 | 1850.02434 | 857.00827 | 266.23132 |
| 5830 | 3619.33596 | 2723.39795 | 1847.29149 | 858.23247 | 266.46602 |
| 6750 | 3613.81208 | 2727.5549 | 1847.75938 | 857.3637 | 266.117 |
| 7820 | 3607.95952 | 2726.19851 | 1847.85156 | 857.26833 | 266.77491 |
| 9060 | 3606.06345 | 2720.50403 | 1848.1785 | 856.89726 | 267.1274 |
| 10500 | 3598.71218 | 2721.93176 | 1846.00787 | 856.1593 | 266.29131 |
| 12200 | 3592.14093 | 2721.44014 | 1845.76079 | 856.81283 | 265.54785 |
| 14100 | 3584.3604 | 2716.70627 | 1843.57998 | 856.78313 | 266.02205 |
| 16300 | 3577.33537 | 2719.08034 | 1843.90209 | 856.31877 | 266.38132 |
| 18900 | 3569.12314 | 2714.54901 | 1841.89118 | 856.42978 | 266.43429 |
| 21900 | 3555.09024 | 2711.84677 | 1841.14941 | 856.23174 | 266.02858 |
| 25300 | 3544.03758 | 2709.442 | 1838.09874 | 857.55601 | 266.24276 |
| 29400 | 3529.64165 | 2705.15726 | 1837.2873 | 856.63668 | 265.92574 |
| 34000 | 3514.70118 | 2700.97426 | 1835.2169 | 856.66691 | 265.9133 |
| 39400 | 3495.3995 | 2696.90695 | 1833.78106 | 855.77156 | 265.96201 |
| 45600 | 3473.97363 | 2688.28164 | 1831.13879 | 856.65492 | 266.08622 |
| 52800 | 3446.03783 | 2680.76024 | 1828.37647 | 855.98679 | 265.92753 |
| 61200 | 3401.37587 | 2668.41594 | 1824.43557 | 855.47554 | 265.92072 |
| 70900 | 3357.21429 | 2654.66036 | 1822.08807 | 855.61886 | 265.84147 |
| 82100 | 3287.67527 | 2635.81234 | 1822.38178 | 855.58029 | 265.84414 |
| 95100 | 3198.16002 | 2613.04808 | 1825.45442 | 854.60155 | 265.57197 |
| 110000 | 3106.93511 | 2583.90043 | 1710.69193 | 852.5758 | 265.15028 |
| 128000 | 3005.81531 | 2546.81234 | 1701.91938 | 851.75862 | 265.25316 |
| 148000 | 2900.01296 | 2500.50093 | 1695.08752 | 849.78291 | 264.78881 |
| 171000 | 2772.4855 | 2443.68486 | 1673.82662 | 848.2705 | 264.69322 |
| 198000 | 2627.19186 | 2374.99907 | 1642.50149 | 846.43967 | 264.47012 |
| 230000 | 2466.48434 | 2292.44324 | 1601.65669 | 843.89901 | 264.20424 |
| 266000 | 2292.49843 | 2196.65261 | 1551.63307 | 840.60633 | 263.8301 |
| 308000 | 2108.55899 | 2086.79249 | 1492.06887 | 836.20826 | 263.28133 |
| 357000 | 1919.20336 | 1965.52574 | 1422.96194 | 830.9633 | 262.63605 |
| 413000 | 1728.9718 | 1833.62624 | 1344.23511 | 824.4535 | 261.78948 |
| 479000 | 1542.20788 | 1694.81576 | 1257.47051 | 816.22751 | 260.6905 |
| 555000 | 1363.70058 | 1552.08158 | 1164.64692 | 806.37186 | 259.32389 |
| 642000 | 1197.13069 | 1409.07289 | 1069.24858 | 794.51286 | 257.57182 |
| 744000 | 1044.89884 | 1269.21154 | 972.15608 | 780.76415 | 255.2703 |
| 862000 | 910.35934 | 1135.84708 | 876.61786 | 763.83896 | 252.50539 |
| 998000 | 792.63332 | 1010.57568 | 784.1078 | 746.01373 | 249.02556 |
| 1.16E6 | 693.19889 | 897.53567 | 697.85451 | 725.7328 | 244.84765 |
| 1.34E6 | 608.25482 | 792.78784 | 617.71811 | 702.87316 | 239.73573 |
| 1.55E6 | 536.08655 | 698.62624 | 544.56792 | 677.90127 | 233.6349 |
Claims (2)
1. one kind for high frequency condition and have the magnetically soft alloy of high initial magnetoconductivity, it is characterized in that: formed by Fe, Co, Cu, Nb, Si and B, the mass percent of each component is: Fe15.38%, Cu0.6%, Nb2.5%, Si11%, B9%, surplus is Co.
2. as claimed in claim 1 for high frequency condition and there is the preparation method of the magnetically soft alloy of high initial magnetoconductivity, it is characterized in that step is as follows:
1) preparation of non-crystaline amorphous metal
By mass percentage purity is all not less than to 99.9% the each component of Fe, Co, Cu, Nb, Si and B and mixes, in vaccum sensitive stove, be smelted into master alloy ingot, weightless lower than 5%, be cooled to that to adopt single roller melt rotation quick quenching technique to prepare composition after room temperature be Fe
15.38co
61.52cu
0.6nb
2.5si
11b
9aMORPHOUS ALLOY RIBBONS, width is 5mm, thickness is 25 μ m;
2) preparation of nanometer crystal alloy sample
Above-mentioned AMORPHOUS ALLOY RIBBONS is placed in the vacuum tube furnace without magnetic field, and in stove, vacuum degree reaches 1 × 10
-3under Pa condition, be warming up to 723K and be incubated 30min with the firing rate of 15K/min, then cool to room temperature with the furnace, can make for high frequency condition and there is the nano-crystal soft magnetic alloy of high initial magnetoconductivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410298274.3A CN104021910A (en) | 2014-06-26 | 2014-06-26 | Magnetically soft alloy having high initial magnetic conductivity and used under high-frequency condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410298274.3A CN104021910A (en) | 2014-06-26 | 2014-06-26 | Magnetically soft alloy having high initial magnetic conductivity and used under high-frequency condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104021910A true CN104021910A (en) | 2014-09-03 |
Family
ID=51438622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410298274.3A Pending CN104021910A (en) | 2014-06-26 | 2014-06-26 | Magnetically soft alloy having high initial magnetic conductivity and used under high-frequency condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104021910A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802042A (en) * | 2015-04-24 | 2015-07-29 | 天津理工大学 | Method for improving initial permeability and alternating-current magnetic property of amorphous magnetically-soft alloy |
| CN105755368A (en) * | 2016-04-08 | 2016-07-13 | 郑州大学 | Iron-based nanocrystalline magnetically soft alloy and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1564271A (en) * | 2004-04-01 | 2005-01-12 | 安泰科技股份有限公司 | High temp non-crystal, microcrystal soft-magnet alloy |
| CN1700369A (en) * | 2004-05-17 | 2005-11-23 | Nec东金株式会社 | High-frequency core and inductance component using the same |
| JP3756405B2 (en) * | 2000-12-22 | 2006-03-15 | 独立行政法人科学技術振興機構 | Soft magnetic, high strength Fe-Co-Ni based metallic glass alloy |
| CN101241790A (en) * | 2007-11-16 | 2008-08-13 | 中国计量学院 | Soft magnetic powder and its making method |
-
2014
- 2014-06-26 CN CN201410298274.3A patent/CN104021910A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3756405B2 (en) * | 2000-12-22 | 2006-03-15 | 独立行政法人科学技術振興機構 | Soft magnetic, high strength Fe-Co-Ni based metallic glass alloy |
| CN1564271A (en) * | 2004-04-01 | 2005-01-12 | 安泰科技股份有限公司 | High temp non-crystal, microcrystal soft-magnet alloy |
| CN1700369A (en) * | 2004-05-17 | 2005-11-23 | Nec东金株式会社 | High-frequency core and inductance component using the same |
| CN101241790A (en) * | 2007-11-16 | 2008-08-13 | 中国计量学院 | Soft magnetic powder and its making method |
Non-Patent Citations (2)
| Title |
|---|
| 丁燕红等: "Fe 15. 38 Co 61. 52 Cu 0. 6 Nb 2. 5 Si 11 B 9 纳米晶软磁合金的交流磁性", 《物理学报》 * |
| 丁燕红等: "退火温度对( Fe 0. 2 Co 0. 8 ) 76. 9 Cu 0. 6 Nb 2. 5 Si 11 B 9 软磁合金磁谱的影响", 《功能与材料》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802042A (en) * | 2015-04-24 | 2015-07-29 | 天津理工大学 | Method for improving initial permeability and alternating-current magnetic property of amorphous magnetically-soft alloy |
| CN105755368A (en) * | 2016-04-08 | 2016-07-13 | 郑州大学 | Iron-based nanocrystalline magnetically soft alloy and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102543347B (en) | A kind of Fe-based nanocrystalline magnetically soft alloy and preparation method thereof | |
| CN105088107B (en) | Fe-based amorphous alloy with high saturated magnetic induction and strong amorphous formation ability | |
| CN105719826A (en) | Magnetic-field heat treatment method of nanocrystal magnetic core | |
| Zhang et al. | Effects of Cobalt Addition in Nanocrystalline ${\rm Fe} _ {83.3}{\rm Si} _ {4}{\rm B} _ {8}{\rm P} _ {4}{\rm Cu} _ {0.7} $ Soft Magnetic Alloy | |
| CN109234628B (en) | Preparation method of low-loss nanocrystalline magnetically soft alloy | |
| CN106119739A (en) | Iron-based amorphous and nanocrystalline soft magnetic alloy and preparation method thereof | |
| CN106158220B (en) | A kind of nanocrystalline magnet core and preparation method thereof with linear magnetic conductivity | |
| CN106756643A (en) | A kind of iron-based amorphous and nanocrystalline soft magnetic alloy and preparation method thereof | |
| CN106498310A (en) | Cobalt base amorphous magnetically soft alloy material of a kind of low-coercivity low-loss and preparation method thereof | |
| CN103915231B (en) | Iron-based amorphous-nanometer crystalline state magnetically soft alloy with high saturation magnetic induction density and application thereof | |
| CN102953020A (en) | Fe-based amorphous nanocrystalline soft magnetic alloy material and preparation method thereof | |
| CN106917042A (en) | A kind of high frequency high magnetic flux density Fe-based nanocrystalline magnetically soft alloy and preparation method thereof | |
| CN106834930B (en) | Iron-base nanometer crystal alloy with the high impurity compatibility of high magnetic flux density and the method for preparing the alloy using the raw material of industry | |
| CN104561841A (en) | High-saturation-magnetization iron-base amorphous nanocrystal soft magnetic alloy and preparation method thereof | |
| CN106756644A (en) | A kind of iron-based amorphous and nanocrystalline soft magnetic alloy based on element silicon and preparation method thereof | |
| CN103602931A (en) | Iron-based amorphous nanocrystalline soft magnetic alloy and preparation method thereof | |
| CN104480351A (en) | Ferrum-cobalt-vanadium super alloy and preparation method thereof | |
| CN102925823A (en) | Iron cobalt-based magnetically soft alloy with high saturation magnetic flux density and preparation method of iron cobalt-based magnetically soft alloy | |
| JP7539740B2 (en) | High magnetic induction high frequency nanocrystalline soft magnetic alloy and its manufacturing method | |
| CN102945719A (en) | High-performance ferric-based nano-crystalline soft magnetic alloy and preparation method thereof | |
| Liu et al. | Optimization of GMI properties by AC Joule annealing in melt‐extracted Co‐rich amorphous wires for sensor applications | |
| CN109112434A (en) | A kind of new iron-based amorphous and nanocrystalline soft magnetic alloy and preparation method thereof | |
| CN102129907B (en) | Nanocrystalline soft magnetic alloy iron core with high initial permeability and low remanence and preparation method thereof | |
| CN110400670B (en) | High-squareness-ratio cobalt-based amorphous alloy iron core and preparation method thereof | |
| CN101792890A (en) | Iron-based nanocrystalline strip with super-high saturated magnetic flux density |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140903 |
|
| RJ01 | Rejection of invention patent application after publication |