CN102214510A - Ferronickel soft magnetic material and manufacturing method thereof - Google Patents
Ferronickel soft magnetic material and manufacturing method thereof Download PDFInfo
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Abstract
The invention relates to a manufacturing method of a magnetic object, in particular to a ferronickel soft magnetic material and a manufacturing method thereof. The ferronickel soft magnetic material is manufactured from Fe and Ni powder, phosphoric acid and phenolic resin through compression moulding, wherein the content of Ni in the Fe and Ni powder is 40-60% and the balance is Fe, phosphoric acid is used for performing surface treatment on the Fe and Ni powder and accounts for 0.8-3.3% of the weight of the Fe and Ni powder, phenolic resin accounts for 0.2-1.0% of the weight of the Fe and Ni powder. The invention has the following advantages that: 1, the manufacturing process and used equipment are simple; 2, production cost is reduced greatly because of the adoption of the Fe and Ni powder with low price; 3, the product manufactured by the manufacturing method has good inductance, higher quality factor and lower power loss value; and 4, ferronickel still maintains excellent soft magnetic property at a higher temperature.
Description
Technical field
The present invention relates to the manufacture method of magnetic bodies, relate in particular to a kind of iron-nickel alloy soft magnetic material and manufacture method thereof.
Background technology
At present, reform along with information technology, various switch power converters, inverters etc. are in the extensive application of communications industry, the utilance of its exchange power more and more obtains people's attention, and they press for a core material that can improve the exchange power utilization, particularly apply to high-power, in the electronic product of big electric current, low-loss core material more and more is subjected to the welcome of communication, military industry.The iron nickel soft magnetic material of high resistivity high magnetic permeability will have huge application potential in these electronic products, at present domestic and international soft magnetism producer is all at a kind of high resistivity of active development, high magnetic permeability, low-loss iron nickel product.
Summary of the invention
An object of the present invention is to provide a kind of iron-nickel alloy soft magnetic material, another object of the present invention provides the manufacture method of above-mentioned iron-nickel alloy soft magnetic material.
In order to realize first above-mentioned purpose, the present invention has adopted following technical scheme:
A kind of iron-nickel alloy soft magnetic material, this iron-nickel alloy soft magnetic material are by following component compression moulding:
(1) iron nickel by powder, wherein the content of nickel is 40～60%, surplus is Fe;
(2) to iron nickel by powder surface-treated phosphoric acid, be 0.8%～3.3% of Fe-Ni Alloy Powder weight;
(3) phenolic resins is 0.2%～1.0% of Fe-Ni Alloy Powder weight.
In order to realize second above-mentioned purpose, the present invention has adopted following technical scheme:
A kind of preparation method who prepares above-mentioned a kind of iron-nickel alloy soft magnetic material, this method comprises the steps:
A) join powder: get an amount of iron nickel by powder, wherein the weight content of nickel is 40%～60%, and surplus is Fe;
B) fry powder: the iron nickel powder roasting that makes is fried when temperature reaches 50 ℃～150 ℃, add the phosphoric acid dilution and carry out surface treatment, the weight of phosphoric acid is 3.0%～3.2% of Fe-Ni Alloy Powder weight, roasting is fried to drying, add again with respect to Fe-Ni Alloy Powder weight 0.2%～1.0% phenolic resins, continue roasting again and fry to dry;
C) compression moulding: pressure is 15～26 tons/cm
2
D) heat treatment: feed hydrogen or nitrogen in the heat treated stove, temperature is controlled between 600 ℃～900 ℃, and the time of heat-treating is 60～150 minutes;
E) face coat: adopt epoxy resin paint to be coated in the surface of iron-nickel alloy soft magnetic material.
As preferably, the weight percent concentration of above-mentioned phosphoric acid dilution is 0.8%～3.3%.
Adopt preparation method of the present invention can make the iron nickel of μ=26～125, its ring-like specification has (Φ are an external diameter, and unit is mm) such as Φ 6.99, Φ 7.24, Φ 8.51, Φ 10.29, Φ 10.29, Φ 10.80, Φ 11.89, Φ 13.46, Φ 17.40, Φ 18.03, Φ 21.10, Φ 23.62, Φ 24.30, Φ 27.70, Φ 33.83, Φ 35.10, Φ 36.63, Φ 40.72, Φ 44.00, Φ 47.63, Φ 51.69, Φ 58.00, Φ 78.90.
The present invention has the following advantages: 1, manufacture craft is simple, and use equipment is simple; 2, the iron nickel by powder that the employing valency is low, production cost reduces greatly; 3, the product that adopts this kind method to make has good inductance value, higher quality factor, lower power loss value; 4, under higher temperature conditions, iron-nickel alloy still can keep excellent soft magnet performance.Soft magnet nickel alloy of the present invention mainly is applicable to the Active PFC of Switching Power Supply, improves the utilance of exchange power with this.
Embodiment
Embodiment 1
Get 1000g iron nickel by powder, wherein the content of nickel is 50%, surplus is Fe, the roasting of the iron nickel powder that makes fried to add 1000ml concentration when temperature reaches 100 ℃ be that 3.1% phosphoric acid diluent liquid is carried out surface treatment, roasting is fried to drying, add 6g phenolic resins (dilution adds), continue roasting again and fry to dry; Alloy powder is put into (this example 1 adopts the moulds of external diameter Φ=26.6 specifications) in the mould of required specification, with 20 tons/cm
2Pressure compression moulding, 850 ± 3 ℃ of soaking zone temperature controls, and carry out N
2Buchholz protection is handled, and the time is 150 minutes, paints the surface that is coated in the iron-nickel alloy product at last and gets final product.Obtain 2 iron nickel products (magnetic permeability μ=26) of Φ 26.6/ Φ 14.8 * 10.6 (being that external diameter is that 26.6mm, internal diameter are 14.8mm, height 10.6mm) specification.
(1) f, L, Q test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(2) power loss test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(3) magnetism testing
Copper wire adopts Φ 0.8mm, and coil turn is 30 circles, and frequency is 100kHz, its magnetic parameter such as following table
Embodiment 2
0.65% phenolic resins that will be equivalent to Fe-Ni Alloy Powder weight according to the processing step of example 1 is put in the Fe-Ni Alloy Powder, and the compacting specification is Φ 50.8 (Φ is an external diameter, and unit is mm), and all the other conditions are constant.Obtain 2 iron nickel product magnetic permeability μ=26 of Φ 50.8/ Φ 31.5 * 13.5 (being that external diameter is that 50.8mm, internal diameter are 31.5mm, height 13.5mm) specification.
(1) f, L, Q test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(2) power loss test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(3) magnetism testing
Copper wire adopts Φ 0.8mm, and coil turn is 30 circles, and frequency is 100kHz, its magnetic parameter such as following table
Embodiment 3
Get 1000g iron nickel by powder, wherein the content of nickel is 50%, surplus is Fe, the roasting of the iron nickel powder that makes fried to add 1000ml concentration when temperature reaches 120 ℃ be that 2.1% phosphoric acid diluent liquid is carried out surface treatment, roasting is fried to drying, add 4g phenolic resins (dilution adds), continue roasting again and fry to dry; Alloy powder is put into (this example 1 adopts the moulds of external diameter Φ=26.6 specifications) in the mould of required specification, with 20 tons/cm
2Pressure compression moulding, 850 ± 3 ℃ of soaking zone temperature controls, and carry out N
2Buchholz protection is handled, and the time is 150 minutes, paints the surface that is coated in the iron-nickel alloy product at last and gets final product.Obtain 2 iron nickel products (magnetic permeability μ=60) of Φ 26.6/ Φ 14.8 * 10.6 (being that external diameter is that 26.6mm, internal diameter are 14.8mm, height 10.6mm) specification.
(2) f, L, Q test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(2) power loss test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(3) magnetism testing
Copper wire adopts Φ 0.8mm, and coil turn is 30 circles, and frequency is 100kHz, its magnetic parameter such as following table
Embodiment 4
0.45% phenolic resins that will be equivalent to Fe-Ni Alloy Powder weight according to the processing step of example 1 is put in the Fe-Ni Alloy Powder, and the compacting specification is Φ 50.8 (Φ is an external diameter, and unit is mm), and all the other conditions are constant.Obtain 2 iron nickel products (magnetic permeability μ=60) of Φ 50.8/ Φ 31.8 * 13.5 (being that external diameter is that 50.8mm, internal diameter are 31.8mm, height 13.5mm) specification.
(1) f, L, Q test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(2) power loss test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(3) magnetism testing
Copper wire adopts Φ 0.8mm, and coil turn is 30 circles, and frequency is 100kHz, its magnetic parameter such as following table
Embodiment 5
Get 1000g iron nickel by powder, wherein the content of nickel is 50%, surplus is Fe, the roasting of the iron nickel powder that makes fried to add 1000ml concentration when temperature reaches 120 ℃ be that 1.8% phosphoric acid diluent liquid is carried out surface treatment, roasting is fried to drying, add 4g phenolic resins (dilution adds), continue roasting again and fry to dry; Alloy powder is put into (this example 1 adopts the moulds of external diameter Φ=26.6 specifications) in the mould of required specification, with 20 tons/cm
2Pressure compression moulding, 850 ± 3 ℃ of soaking zone temperature controls, and carry out the N2 Buchholz protection and handle, the time is 150 minutes, paints the surface that is coated in the iron-nickel alloy product at last and gets final product.Obtain 2 iron nickel products (magnetic permeability μ=75) of Φ 26.6/ Φ 14.8 * 10.6 (being that external diameter is that 26.6mm, internal diameter are 14.8mm, height 10.6mm) specification.
(3) f, L, Q test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(2) power loss test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(3) magnetism testing
Copper wire adopts Φ 0.8mm, and coil turn is 30 circles, and frequency is 100kHz, its magnetic parameter such as following table
Embodiment 6
0.45% phenolic resins that will be equivalent to Fe-Ni Alloy Powder weight according to the processing step of example 1 is put in the Fe-Ni Alloy Powder, and the compacting specification is Φ 50.8 (Φ is an external diameter, and unit is mm), and all the other conditions are constant.Obtain 2 iron nickel products (magnetic permeability μ=75) of Φ 50.8/ Φ 31.5 * 13.5 (being that external diameter is that 50.8mm, internal diameter are 31.5mm, height 13.5mm) specification.
(1) f, L, Q test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(2) power loss test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(3) magnetism testing
Copper wire adopts Φ 0.8mm, and coil turn is 36 circles, and frequency is 100kHz, its magnetic parameter such as following table
Embodiment 7
Get 1000g iron nickel by powder, wherein the content of nickel is 50%, surplus is Fe, the roasting of the iron nickel powder that makes fried to add 1000ml concentration when temperature reaches 120 ℃ be that 1.0% phosphoric acid diluent liquid is carried out surface treatment, roasting is fried to drying, add 7g phenolic resins (dilution adds), continue roasting again and fry to dry; Alloy powder is put into (this example 1 adopts the moulds of external diameter Φ=26.6 specifications) in the mould of required specification, with 20 tons/cm
2Pressure compression moulding, 850 ± 3 ℃ of soaking zone temperature controls, and carry out N
2Buchholz protection is handled, and the time is 150 minutes, paints the surface that is coated in the iron-nickel alloy product at last and gets final product.Obtain 2 iron nickel products (magnetic permeability μ=125) of Φ 26.6/ Φ 14.8 * 10.6 (being that external diameter is that 26.6mm, internal diameter are 14.8mm, height 10.6mm) specification.
(4) f, L, Q test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(2) power loss test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(3) magnetism testing
Copper wire adopts Φ 0.8mm, and coil turn is 30 circles, and frequency is 100kHz, its magnetic parameter such as following table
Embodiment 8
0.75% phenolic resins that will be equivalent to Fe-Ni Alloy Powder weight according to the processing step of example 1 is put in the Fe-Ni Alloy Powder, and the compacting specification is Φ 50.8 (Φ is an external diameter, and unit is mm), and all the other conditions are constant.Obtain 2 iron nickel products (magnetic permeability μ=125) of Φ 50.8/ Φ 31.5 * 13.5 (being that external diameter is that 50.8mm, internal diameter are 31.5mm, height 13.5mm) specification.
(1) f, L, Q test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(2) power loss test
Copper wire adopts Φ 0.5mm, and coil turn is 26 circles, its magnetic parameter such as following table
(3) magnetism testing
Copper wire adopts Φ 0.8mm, and coil turn is 30 circles, and frequency is 100kHz, its magnetic parameter such as following table
Claims (4)
1. iron-nickel alloy soft magnetic material is characterized in that this iron-nickel alloy soft magnetic material is by following component compression moulding:
(1) iron nickel by powder, wherein the content of nickel is 40%～60%, surplus is Fe;
(2) to iron nickel by powder surface-treated phosphoric acid, be 0.8%～3.3% of Fe-Ni Alloy Powder weight;
(3) phenolic resins is 0.2%～1.0% of Fe-Ni Alloy Powder weight.
2. a kind of iron-nickel alloy soft magnetic material according to claim 1 is characterized in that: the content of nickel is 50% in the iron nickel by powder.
3. a preparation method who prepares claim 1 or 2 described iron-nickel alloy soft magnetic materials is characterized in that this method comprises the steps:
A) join powder: get an amount of iron nickel by powder, wherein the weight content of nickel is 40%～60%, and surplus is Fe;
B) fry powder: the iron nickel powder roasting that makes is fried when temperature reaches 50 ℃～150 ℃, add the phosphoric acid dilution and carry out surface treatment, the weight of phosphoric acid is 0.8%～3.3% of Fe-Ni Alloy Powder weight, roasting is fried to drying, add again with respect to Fe-Ni Alloy Powder weight 0.2%～1.0% phenolic resins, continue roasting again and fry to dry;
C) compression moulding: pressure is 15～26 tons/cm
2
D) heat treatment: feed hydrogen or nitrogen in the heat treated stove, temperature is controlled between 600 ℃～900 ℃, and the time of heat-treating is 60～150 minutes;
E) face coat: adopt epoxy resin paint to be coated in the surface of iron-nickel alloy soft magnetic material.
4. the preparation method of a kind of iron-nickel alloy soft magnetic material according to claim 3 is characterized in that: the weight percent concentration of phosphoric acid dilution is 0.8%～3.3%.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729111A (en) * | 2019-10-30 | 2020-01-24 | 海鹰企业集团有限责任公司 | Method for improving comprehensive performance of signal transformer |
| CN114318172A (en) * | 2022-01-04 | 2022-04-12 | 西南科技大学 | Iron-nickel alloy with ultrahigh soft magnetic performance and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1381852A (en) * | 2001-03-27 | 2002-11-27 | 川崎制铁株式会社 | Ferromagnetic metal-base powder, iron-dust core made of it and manufacturing method for ferromagnetic metal-base powder |
| JP2006165218A (en) * | 2004-12-07 | 2006-06-22 | Shin Etsu Chem Co Ltd | Rtmb-based rare earth permanent magnet and manufacturing method therefor |
| CN101107681A (en) * | 2005-01-20 | 2008-01-16 | 住友电气工业株式会社 | Soft magnetic material and dust core |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1381852A (en) * | 2001-03-27 | 2002-11-27 | 川崎制铁株式会社 | Ferromagnetic metal-base powder, iron-dust core made of it and manufacturing method for ferromagnetic metal-base powder |
| JP2006165218A (en) * | 2004-12-07 | 2006-06-22 | Shin Etsu Chem Co Ltd | Rtmb-based rare earth permanent magnet and manufacturing method therefor |
| CN101107681A (en) * | 2005-01-20 | 2008-01-16 | 住友电气工业株式会社 | Soft magnetic material and dust core |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729111A (en) * | 2019-10-30 | 2020-01-24 | 海鹰企业集团有限责任公司 | Method for improving comprehensive performance of signal transformer |
| CN114318172A (en) * | 2022-01-04 | 2022-04-12 | 西南科技大学 | Iron-nickel alloy with ultrahigh soft magnetic performance and preparation method thereof |
| CN114318172B (en) * | 2022-01-04 | 2022-11-18 | 西南科技大学 | Iron-nickel alloy with ultrahigh soft magnetic performance and preparation method thereof |
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Owner name: ZHEJIANG KDM MAGNETIC POWER CORES CO., LTD. Free format text: FORMER NAME: ZHEJIANG KEDA MAGNETOELECTRICITY CO., LTD. |
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Address after: 313200 Zhejiang city of Huzhou province Deqing County Wukang Qu Yuan Road No. 525 Patentee after: Zhejiang east east Keda magnetoelectric Co., Ltd. Address before: 313200 Zhejiang city of Huzhou province Deqing County Wukang Qu Yuan Road No. 525 Patentee before: Zhejiang Keda Magnetoelectricity Co., Ltd. |