CN102314982A - Special iron-silicon alloy soft magnetic material for solar energy and manufacturing method thereof - Google Patents
Special iron-silicon alloy soft magnetic material for solar energy and manufacturing method thereof Download PDFInfo
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- CN102314982A CN102314982A CN201110130153A CN201110130153A CN102314982A CN 102314982 A CN102314982 A CN 102314982A CN 201110130153 A CN201110130153 A CN 201110130153A CN 201110130153 A CN201110130153 A CN 201110130153A CN 102314982 A CN102314982 A CN 102314982A
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- 239000000696 magnetic material Substances 0.000 title claims abstract description 20
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 title abstract description 37
- 229910000676 Si alloy Inorganic materials 0.000 title abstract description 22
- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 15
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 12
- 239000005011 phenolic resin Substances 0.000 claims abstract description 9
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000004381 surface treatment Methods 0.000 claims abstract description 5
- 238000010790 dilution Methods 0.000 claims description 4
- 239000012895 dilution Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 12
- 229910052742 iron Inorganic materials 0.000 claims 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- 238000000748 compression moulding Methods 0.000 claims 2
- 235000013312 flour Nutrition 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 abstract description 6
- 238000003825 pressing Methods 0.000 abstract description 2
- 229910000519 Ferrosilicon Inorganic materials 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229910005347 FeSi Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000009725 powder blending Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Abstract
Description
技术领域 technical field
本发明涉及磁性物体的制造方法，尤其涉及种太阳能专用铁硅合金软磁材料及其制造方法。The invention relates to a manufacturing method of a magnetic object, in particular to a special iron-silicon alloy soft magnetic material for solar energy and a manufacturing method thereof.
背景技术 Background technique
目前，随着太阳能技术的改革，各种开关电源转换器，逆变器等在太阳能行业的大量应用，其交换功率的利用率越来越得到人们的注意，他们迫切需要一款能提高交换功率利用率的磁芯材料，特别是运用于大功率，大电流的太阳能中。高电阻率高磁导率的铁硅软磁材料在太阳能行业中将会有巨大的应用潜力，目前国内外软磁厂家都在积极开发一种高电阻率、高磁导率、低损耗的铁硅产品。At present, with the reform of solar technology, various switching power converters, inverters, etc. are widely used in the solar industry, and the utilization rate of its exchange power has attracted more and more attention. They urgently need a power converter that can improve the exchange power. The most efficient magnetic core material, especially used in high-power, high-current solar energy. Iron-silicon soft magnetic materials with high resistivity and high magnetic permeability will have great application potential in the solar energy industry. At present, soft magnetic manufacturers at home and abroad are actively developing a high resistivity, high magnetic permeability, and low-loss iron-silicon soft magnetic material. Silicon products.
发明内容 Contents of the invention
本发明的一个目的是提供一种太阳能专用铁硅合金软磁材料，本发明的另外一个目的是提供上述的太阳能专用铁硅合金软磁材料的制造方法。One object of the present invention is to provide a special iron-silicon alloy soft magnetic material for solar energy, and another object of the present invention is to provide a manufacturing method of the above-mentioned iron-silicon alloy soft magnetic material special for solar energy.
为了实现上述的第一个目的，本发明采用了以下的技术方案：In order to achieve the above-mentioned first purpose, the present invention adopts the following technical solutions:
太阳能专用铁硅合金软磁材料，该铁硅合金软磁材料按由以下的组分压制成型：Special iron-silicon alloy soft magnetic material for solar energy, the iron-silicon alloy soft magnetic material is pressed and formed by the following components:
(1)铁硅粉末，其中Si的重量含量为2％～8％，余量为Fe；(1) Iron-silicon powder, wherein the weight content of Si is 2% to 8%, and the balance is Fe;
(2)对铁硅粉末表面处理的磷酸，为铁硅合金粉末重量的1.0％～1.5％；(2) Phosphoric acid for surface treatment of iron-silicon powder is 1.0% to 1.5% of the weight of iron-silicon alloy powder;
(3)酚醛树脂，为铁硅合金粉末重量的0.3％～0.8％。(3) Phenolic resin, 0.3% to 0.8% of the weight of the iron-silicon alloy powder.
作为优选，上述的铁硅粉末中Si的含量为6.5％。Preferably, the content of Si in the above iron-silicon powder is 6.5%.
作为优选，上述的磷酸的重量为铁硅合金粉末重量的1.1％～1.3％。Preferably, the weight of the above-mentioned phosphoric acid is 1.1%-1.3% of the weight of the iron-silicon alloy powder.
作为优选，上述的酚醛树脂的加入量为0.4％～0.6％。Preferably, the above-mentioned phenolic resin is added in an amount of 0.4% to 0.6%.
为了实现上述的第二个目的，本发明采用了以下的技术方案：In order to achieve the above-mentioned second purpose, the present invention adopts the following technical solutions:
一种制备上述的太阳能专用铁硅合金软磁材料的制备方法，该方法包括以下的步骤：A preparation method for preparing the above-mentioned special iron-silicon alloy soft magnetic material for solar energy, the method comprises the following steps:
a)配粉：取适量铁硅粉末，其中Si的重量含量为2％～8％，余量为Fe；a) Powder blending: take an appropriate amount of iron-silicon powder, wherein the weight content of Si is 2% to 8%, and the balance is Fe;
b)炒粉：将制得的铁硅粉焙炒至温度达到50℃～150℃时加入磷酸稀释液进行表面处理，磷酸的重量为铁硅合金粉末重量的1.0％～1.5％，焙炒至干燥后，再加入相对于铁硅合金粉末重量0.3％～0.8％酚醛树脂，再继续焙炒至干燥；b) Fried powder: Roast the prepared iron-silicon powder until the temperature reaches 50°C to 150°C, add phosphoric acid dilution solution for surface treatment, the weight of phosphoric acid is 1.0% to 1.5% of the weight of the iron-silicon alloy powder, and roast until After drying, add 0.3% to 0.8% phenolic resin relative to the weight of the iron-silicon alloy powder, and continue roasting until dry;
c)压制成型：压强为15～26吨/cm2；c) Compression forming: the pressure is 15-26 tons/cm 2 ;
d)热处理：向热处理炉内通入氢气或者氮气，温度控制在600℃～900℃之间，进行热处理的时间为60～150分钟；d) Heat treatment: pass hydrogen or nitrogen gas into the heat treatment furnace, control the temperature between 600°C and 900°C, and conduct heat treatment for 60 to 150 minutes;
e)表面涂层：采用环氧树脂油漆涂覆在铁硅合金软磁材料的表面。e) Surface coating: epoxy resin paint is used to coat the surface of the iron-silicon alloy soft magnetic material.
作为优选，上述的磷酸稀释液的重量百分比浓度为1.0％～1.5％。Preferably, the weight percent concentration of the phosphoric acid diluent is 1.0%-1.5%.
采用本发明的制备方法可以制成太阳能专用的铁硅(μ＝60)，其环型规格有Φ6.99、Φ7.24、Φ8.51、Φ10.29、Φ10.29、Φ10.80、Φ11.89、Φ13.46、Φ17.40、Φ18.03、Φ21.10、Φ23.62、Φ24.30、Φ27.70、Φ33.83、Φ35.10、Φ36.63、Φ40.72、Φ44.00、Φ47.63、Φ51.69、Φ58.00、Φ78.90等(Φ为外径，单位为mm)。The preparation method of the present invention can be used to make iron-silicon (μ=60) for solar energy, and its ring specifications are Φ6.99, Φ7.24, Φ8.51, Φ10.29, Φ10.29, Φ10.80, Φ11 .89, Φ13.46, Φ17.40, Φ18.03, Φ21.10, Φ23.62, Φ24.30, Φ27.70, Φ33.83, Φ35.10, Φ36.63, Φ40.72, Φ44.00 , Φ47.63, Φ51.69, Φ58.00, Φ78.90, etc. (Φ is the outer diameter, the unit is mm).
本发明具有以下优点：1、制作工艺简单，使用设备简单；2、采用价低的铁硅粉末，生产成本大大降低；3、采用此种方法制作的产品，具有良好的电感量，较高的品质因数，较低的功率损耗值；4、在较高的温度条件下，铁硅合金仍能保持优异的软磁性能。本发明的软磁铁硅合金主要适用于开关电源的功率因素校正，以此来提高交换功率的利用率。The present invention has the following advantages: 1. The manufacturing process is simple, and the equipment is simple; 2. The production cost is greatly reduced by using low-priced iron-silicon powder; 3. The products made by this method have good inductance and high Quality factor, lower power loss value; 4. Under higher temperature conditions, iron-silicon alloy can still maintain excellent soft magnetic properties. The soft magnetic silicon alloy of the invention is mainly suitable for power factor correction of switching power supplies, so as to improve the utilization rate of switching power.
下表中给出了铁硅合金的软磁性能结果，显示其具有优异的软磁性能。The results of soft magnetic properties of FeSi alloy are given in the table below, which shows that it has excellent soft magnetic properties.
具体实施方式 Detailed ways
实施例1Example 1
取1000g铁硅粉末，其中Si的含量为6.5％，余量为Fe，将制得的铁硅粉焙炒至温度达到120℃时加入1000ml浓度为1.2％的磷酸稀释液体进行表面处理，焙炒至干燥后，加入5g酚醛树脂(稀释加入)，再继续焙炒至干燥；将合金粉末投入到所需规格的模具中(此实例1采用外径Φ＝26.6规格的模具)，用20吨/cm2的压力压制成型，保温段温度控制850±3℃，并进行N2气体保护处理，时间为150分钟，最后用油漆涂覆在铁硅合金产品的表面即可。得到Φ26.6/Φ14.8×10.6(即外径为26.6mm、内径为14.8mm、高度10.6mm)规格的2个铁硅产品。Take 1000g of iron-silicon powder, wherein the content of Si is 6.5%, and the balance is Fe, roast the prepared iron-silicon powder until the temperature reaches 120°C, add 1000ml of phosphoric acid dilution liquid with a concentration of 1.2% for surface treatment, roast After drying, add 5g phenolic resin (dilute and add), continue roasting to dry again; Alloy powder is dropped in the mold of required specification (this example 1 adopts the mold of outer diameter Φ=26.6 specification), with 20 tons/ The pressure of cm 2 is pressed and formed, the temperature of the heat preservation section is controlled at 850±3°C, and N2 gas protection treatment is carried out for 150 minutes, and finally the surface of the iron-silicon alloy product is coated with paint. Two iron-silicon products with the specifications of Φ26.6/Φ14.8×10.6 (that is, the outer diameter is 26.6mm, the inner diameter is 14.8mm, and the height is 10.6mm) are obtained.
(一)f、L、Q测试(1) f, L, Q test
铜丝采用Φ0.29mm，线圈匝数为20匝，其磁性能参数如下表The copper wire is Φ0.29mm, the number of coil turns is 20 turns, and its magnetic performance parameters are as follows
(二)功率损耗测试(2) Power loss test
铜丝采用Φ0.5mm，线圈匝数为26匝，其磁性能参数如下表The copper wire is Φ0.5mm, and the number of turns of the coil is 26 turns. Its magnetic performance parameters are as follows
(三)磁性能测试(3) Magnetic performance test
铜丝采用Φ0.8mm，线圈匝数为30匝，频率为100kHz，其磁性能参数如下表The copper wire is Φ0.8mm, the number of turns of the coil is 30 turns, and the frequency is 100kHz. Its magnetic performance parameters are as follows
实施例2Example 2
按照实施例1的工艺步骤将相当于铁硅合金粉末重量的0.55％酚醛树脂投入到铁硅合金粉末中，压制规格为Φ50.8(Φ为外径，单位为mm)，其余条件不变。得到Φ50.8/Φ31.5×13.5(即外径为50.8mm、内径为31.5mm、高度13.5mm)规格的2个铁硅产品。According to the process steps of Example 1, 0.55% phenolic resin equivalent to the weight of the iron-silicon alloy powder was put into the iron-silicon alloy powder, and the pressing specification was Φ50.8 (Φ is the outer diameter, the unit is mm), and the other conditions were unchanged. Two iron-silicon products with the specifications of Φ50.8/Φ31.5×13.5 (that is, the outer diameter is 50.8mm, the inner diameter is 31.5mm, and the height is 13.5mm) were obtained.
(一)f、L、Q测试(1) f, L, Q test
铜丝采用Φ0.29mm，线圈匝数为20匝，其磁性能参数如下表The copper wire is Φ0.29mm, the number of coil turns is 20 turns, and its magnetic performance parameters are as follows
(二)功率损耗测试(2) Power loss test
铜丝采用Φ0.5mm，线圈匝数为26匝，其磁性能参数如下表The copper wire is Φ0.5mm, and the number of turns of the coil is 26 turns. Its magnetic performance parameters are as follows
(三)磁性能测试(3) Magnetic performance test
铜丝采用Φ0.8mm，线圈匝数为30匝，频率为100kHz，其磁性能参数如下表The copper wire is Φ0.8mm, the number of turns of the coil is 30 turns, and the frequency is 100kHz. Its magnetic performance parameters are as follows
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| CN102962465A (en) * | 2012-11-22 | 2013-03-13 | 德清森腾电子科技有限公司 | Low magnetic permeability, low power consumption sendust soft magnetic material and preparation method thereof |
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- 2011-05-19 CN CN201110130153A patent/CN102314982A/en active Pending
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Application publication date: 20120111 |