CN105070444A - Nylon fiber-toughened cohesive samarium-cobalt permanent magnet - Google Patents
Nylon fiber-toughened cohesive samarium-cobalt permanent magnet Download PDFInfo
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- CN105070444A CN105070444A CN201510442865.8A CN201510442865A CN105070444A CN 105070444 A CN105070444 A CN 105070444A CN 201510442865 A CN201510442865 A CN 201510442865A CN 105070444 A CN105070444 A CN 105070444A
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Abstract
The invention discloses a nylon fiber-toughened cohesive samarium-cobalt permanent magnet, which is prepared from the following raw materials in parts by weight: 90-100 parts of samarium-cobalt magnetic powder, 1-2 parts of oxidized starch, 1.5-2 parts of silica sol, 1-2 parts of polyacrylamide, 0.2-0.3 part of acrylate, 1-2 parts of kieselguhr, 2-3 parts of graphene, 1-2 parts of phenolic resin, 1-2 parts of a nylon fiber, 1-2 parts of an antioxidant 168, 1-3 parts of acetone, 0.5-0.8 part of triethanolamine oleate, 1.5-2 parts of liquid paraffin, 1-2 parts of propylene carbonate, 0.2-0.4 part of methyl acrylate, 0.1-0.3 part of alkyl glycoside, 0.2-0.4 part of alkylethoxyglucoside and 4-8 parts of deionized water.
Description
Technical field
The present invention relates to field of rare-earth permanent magnetic, is exactly the toughness reinforcing bonding samarium cobalt permanent magnet body of a kind of nylon fiber.
Background technology
At present, the high performance permanent magnetic materials on market is rare-earth bond magnet mostly; So-called rare-earth bond magnet refers to and rare earth permanent-magnet powder is mixed into a certain proportion of binding agent and a kind of magnet made by certain processing technology, and its final form can be divided into rigidity rare-earth bond magnet and flexible rare-earth cementing magnet.
Summary of the invention
The bonding samarium cobalt permanent magnet body that the object of the present invention is to provide a kind of nylon fiber toughness reinforcing.
Above-mentioned purpose is realized by following scheme:
The bonding samarium cobalt permanent magnet body that nylon fiber is toughness reinforcing, is characterized in that: it is obtained by the raw material of following weight parts:
Samarium-cobalt magnetic powder 90-100, oxidized starch 1-2, Ludox 1.5-2, Polyscrylamide 1-2, acrylate 0.2-0.3, diatomite 1-2, Graphene 2-3, phenolic resins 1-2, nylon fiber 1-2, irgasfos 168 1-2, acetone 1-3, triethanolamine oleate 0.5-0.8, atoleine 1.5-2, propene carbonate 1-2, methyl acrylate 0.2-0.4, APG 0.1-0.3, alcohol ether glucoside 0.2-0.4, deionized water 4-8.
The bonding samarium cobalt permanent magnet body that described a kind of nylon fiber is toughness reinforcing, is characterized in that: preparation method comprises the following steps:
(1) Graphene is mixed with nylon fiber, be placed in absolute ethyl alcohol and stir 10-20min, dry 6-8h at 50-60 DEG C, then be soaked in 2-5h in concentration 4-6% acetum, after filtration, dry at 70-80 DEG C, obtain composite powder for subsequent use;
(2), after composite powder, diatomite mixing, atoleine, triethanolamine oleate, acetone is added, wet-milling 5-8 hour, take out, dry, then after adding oxidized starch, Ludox, deionized water mixing, 1-2h is stirred at 50-60 DEG C, dry, obtain nonmagnetic powder for subsequent use;
(3) samarium-cobalt magnetic powder, nonmagnetic powder, nylon fiber are uniformly mixed in helium, obtain mixture;
(4) in the mixture of step (3), add all the other raw materials again, in muller, 100-120 DEG C mixes;
(5) the unity powder after mixing is carried out mechanical crushing;
(6) pressed by powder obtained becomes High-density magnet, then solidify 40-80 minute at 120-160 DEG C after, cooling, after and get final product.
Beneficial effect of the present invention is: the present invention is compared with prior art, toughness reinforcing to permanent magnet by nylon fiber, increases hot strength, and simultaneously the functional performance of simple, the product of preparation technology and the temperature range of use are all than like product high.Graphene by after composite with all the other raw materials through a series of process, the magnet finally suppressed enough reaches good magnetic energy through adding magnetic energy, saves the consumption of rare earth.
Embodiment
The bonding samarium cobalt permanent magnet body that nylon fiber is toughness reinforcing, it is obtained by the raw material of following weight (kg):
Samarium-cobalt magnetic powder 100, oxidized starch 1, Ludox 1.5, Polyscrylamide 1, acrylate 0.3, diatomite 1, Graphene 3, phenolic resins 1, nylon fiber 1, irgasfos 168 1, acetone 1, triethanolamine oleate 0.5, atoleine 1.5, propene carbonate 1, methyl acrylate 0.2, APG 0.13, alcohol ether glucoside 0.2-0.4, deionized water 4.
The bonding samarium cobalt permanent magnet body that described a kind of nylon fiber is toughness reinforcing, preparation method comprises the following steps:
(1) Graphene is mixed with nylon fiber, be placed in absolute ethyl alcohol and stir 20min, dry 6h at 60 DEG C, then be soaked in 4h in concentration 6% acetum, after filtration, dry at 80 DEG C, obtain composite powder for subsequent use;
(2), after composite powder, diatomite mixing, add atoleine, triethanolamine oleate, acetone, wet-milling 6 hours, take out, dry, then after adding oxidized starch, Ludox, deionized water mixing, at 50 DEG C, stir 1h, and dry, obtain nonmagnetic powder for subsequent use;
(3) samarium-cobalt magnetic powder, nonmagnetic powder, nylon fiber are uniformly mixed in helium, obtain mixture;
(4) in the mixture of step (3), add all the other raw materials again, in muller, 120 DEG C mix;
(5) the unity powder after mixing is carried out mechanical crushing;
(6) pressed by powder obtained becomes High-density magnet, then solidifies after 50 minutes at 160 DEG C, cooling, after and get final product.
The hot strength of gained magnet is 6.4MPa, and wet-heat resisting, antioxygenic property are good, through the experiment of high temperature demagnetize, after 120 DEG C of insulation 1H, and flux loss < 5%; Maximum magnetic energy product 9.7(MGOe).
Claims (2)
1. the bonding samarium cobalt permanent magnet body that nylon fiber is toughness reinforcing, is characterized in that: it is obtained by the raw material of following weight parts:
Samarium-cobalt magnetic powder 90-100, oxidized starch 1-2, Ludox 1.5-2, Polyscrylamide 1-2, acrylate 0.2-0.3, diatomite 1-2, Graphene 2-3, phenolic resins 1-2, nylon fiber 1-2, irgasfos 168 1-2, acetone 1-3, triethanolamine oleate 0.5-0.8, atoleine 1.5-2, propene carbonate 1-2, methyl acrylate 0.2-0.4, APG 0.1-0.3, alcohol ether glucoside 0.2-0.4, deionized water 4-8.
2. the bonding samarium cobalt permanent magnet body that a kind of nylon fiber according to claim 1 is toughness reinforcing, is characterized in that: preparation method comprises the following steps:
(1) Graphene is mixed with nylon fiber, be placed in absolute ethyl alcohol and stir 10-20min, dry 6-8h at 50-60 DEG C, then be soaked in 2-5h in concentration 4-6% acetum, after filtration, dry at 70-80 DEG C, obtain composite powder for subsequent use;
(2), after composite powder, diatomite mixing, atoleine, triethanolamine oleate, acetone is added, wet-milling 5-8 hour, take out, dry, then after adding oxidized starch, Ludox, deionized water mixing, 1-2h is stirred at 50-60 DEG C, dry, obtain nonmagnetic powder for subsequent use;
(3) samarium-cobalt magnetic powder, nonmagnetic powder, nylon fiber are uniformly mixed in helium, obtain mixture;
(4) in the mixture of step (3), add all the other raw materials again, in muller, 100-120 DEG C mixes;
(5) the unity powder after mixing is carried out mechanical crushing;
(6) pressed by powder obtained becomes High-density magnet, then solidify 40-80 minute at 120-160 DEG C after, cooling, after and get final product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442865.8A CN105070444A (en) | 2015-07-27 | 2015-07-27 | Nylon fiber-toughened cohesive samarium-cobalt permanent magnet |
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| CN201510442865.8A CN105070444A (en) | 2015-07-27 | 2015-07-27 | Nylon fiber-toughened cohesive samarium-cobalt permanent magnet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752724A (en) * | 2019-12-02 | 2020-02-04 | 北京泓慧国际能源技术发展有限公司 | Permanent magnet motor rotor manufacturing method, motor rotor and permanent magnet motor |
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| CN1473337A (en) * | 2000-09-08 | 2004-02-04 | Nec东金株式会社 | Permanent magnet, magnetic core having magnet has bias magnet and inductance parts using the core |
| CN1472753A (en) * | 2002-07-29 | 2004-02-04 | 核工业第八研究所 | Permanent-magnetic binding material and producing method thereof |
| CN101499343A (en) * | 2008-01-29 | 2009-08-05 | 台达电子工业股份有限公司 | Composite soft-magnetic powder material and permanent magnet bias magnetic core |
| CN102903474A (en) * | 2012-09-14 | 2013-01-30 | 宁波韵升粘结磁体有限公司 | Injection anisotropic composite magnet and preparation method thereof |
| CN104779026A (en) * | 2015-04-30 | 2015-07-15 | 安徽百宏达汽车电器有限公司 | Neodymium-iron-boron bonded rare earth permanent magnet with strong antioxidant ability |
-
2015
- 2015-07-27 CN CN201510442865.8A patent/CN105070444A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1473337A (en) * | 2000-09-08 | 2004-02-04 | Nec东金株式会社 | Permanent magnet, magnetic core having magnet has bias magnet and inductance parts using the core |
| CN1472753A (en) * | 2002-07-29 | 2004-02-04 | 核工业第八研究所 | Permanent-magnetic binding material and producing method thereof |
| CN101499343A (en) * | 2008-01-29 | 2009-08-05 | 台达电子工业股份有限公司 | Composite soft-magnetic powder material and permanent magnet bias magnetic core |
| CN102903474A (en) * | 2012-09-14 | 2013-01-30 | 宁波韵升粘结磁体有限公司 | Injection anisotropic composite magnet and preparation method thereof |
| CN104779026A (en) * | 2015-04-30 | 2015-07-15 | 安徽百宏达汽车电器有限公司 | Neodymium-iron-boron bonded rare earth permanent magnet with strong antioxidant ability |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752724A (en) * | 2019-12-02 | 2020-02-04 | 北京泓慧国际能源技术发展有限公司 | Permanent magnet motor rotor manufacturing method, motor rotor and permanent magnet motor |
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Application publication date: 20151118 |