WO2020118467A1 - Matériau magnétique de moteur - Google Patents

Matériau magnétique de moteur Download PDF

Info

Publication number
WO2020118467A1
WO2020118467A1 PCT/CN2018/119956 CN2018119956W WO2020118467A1 WO 2020118467 A1 WO2020118467 A1 WO 2020118467A1 CN 2018119956 W CN2018119956 W CN 2018119956W WO 2020118467 A1 WO2020118467 A1 WO 2020118467A1
Authority
WO
WIPO (PCT)
Prior art keywords
parts
magnetic material
motor magnetic
dispersant
molybdenum
Prior art date
Application number
PCT/CN2018/119956
Other languages
English (en)
Chinese (zh)
Inventor
张维维
Original Assignee
张维维
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 张维维 filed Critical 张维维
Priority to PCT/CN2018/119956 priority Critical patent/WO2020118467A1/fr
Publication of WO2020118467A1 publication Critical patent/WO2020118467A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/113—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles in a bonding agent

Definitions

  • the invention relates to the field of metal electronic materials, in particular to a motor magnetic material.
  • Magnetic materials commonly referred to as ferromagnetic materials, are ancient and very versatile functional materials. The magnetic properties of substances have been recognized and applied as early as 3000 years ago. For example, ancient China used natural magnets as compasses. . Modern magnetic materials have been widely used in our lives. For example, permanent magnet materials are used as motors, iron core materials used in transformers, magneto-optical disks used as memories, and magnetic recording floppy disks for computers. According to Dabit News, magnetic materials are closely related to all aspects of informatization, automation, mechatronics, national defense, and national economy. However, it is generally believed that magnetic materials refer to substances that can generate magnetism directly or indirectly from excessive elements such as iron, cobalt, nickel and their alloys.
  • Magnetic materials can be divided into soft magnetic materials and hard magnetic materials according to the difficulty of demagnetization after magnetization. Substances that easily remove magnetism after magnetization are called soft magnetic materials, and substances that are not easy to demagnetize are called hard magnetic materials. Generally speaking, the remanence of soft magnetic materials is small, and the remanence of hard magnetic materials is large.
  • Automotive magnetic cores have stricter requirements for magnetic materials, requiring magnetic materials to have a high Curie temperature, at least above 280°C, at temperatures above 100°C, with good anti-saturation and anti-DC stacking capabilities, and The power loss of magnetic materials is lower.
  • the technical problem to be solved by the present invention is to provide a motor magnetic material with high Curie temperature and saturation magnetic induction intensity.
  • the technical solution of the present invention is: a motor magnetic material, the innovation of which is that it is made of the following components according to the weight fraction:
  • the binder is a mixture of toluenesulfonic acid, sodium silicate, polyvinyl alcohol, starch and water.
  • the dispersant is a mixture of vinyl bisstearic acid amide, potassium tripolyphosphate and sodium polypropylene.
  • the magnetic material of the motor proposed by the present invention has excellent magnetic properties and stable performance, and at the same time, has good elasticity and stretchability, high mechanical strength, good impact resistance, and good high temperature resistance ,
  • the application field is broader and will not affect the environment.
  • the rapid cooling and secondary heating of the green body make the crystal structure in the green body change significantly compared with the same firing, and the crystal arrangement is smoother.
  • the Curie temperature of the manufactured magnet exceeds 280°C, and its power loss is much lower than that of the prior art.
  • the adhesion strength and fluidity of the magnetic material are improved, thereby improving the magnetic properties of the material;
  • the binder consists of toluenesulfonic acid, sodium silicate, polyvinyl alcohol, starch, and water at a temperature difference Mixed under the conditions, the obtained adhesive has good bonding effect and is not easy to agglomerate;
  • the dispersing agent is a mixture of vinyl bisstearic acid amide, potassium tripolyphosphate and sodium polypropylene, and the dispersion effect is good.
  • the motor magnetic material of the present invention is made of the following components according to the weight fraction:
  • the binder is a mixture of toluenesulfonic acid, sodium silicate, polyvinyl alcohol, starch and water
  • the dispersant is a mixture of vinyl bisstearic acid amide, potassium tripolyphosphate and sodium polypropylene.
  • the motor magnetic material of the present invention is made of the following components according to the weight fraction:
  • the binder is a mixture of toluenesulfonic acid, sodium silicate, polyvinyl alcohol, starch and water
  • the dispersant is a mixture of vinyl bisstearic acid amide, potassium tripolyphosphate and sodium polypropylene.
  • the motor magnetic material of the present invention is made of the following components according to the weight fraction:
  • the binder is a mixture of toluenesulfonic acid, sodium silicate, polyvinyl alcohol, starch and water
  • the dispersant is a mixture of vinyl bisstearic acid amide, potassium tripolyphosphate and sodium polypropylene.
  • the motor magnetic material proposed by the present invention has excellent magnetic properties and stable performance. At the same time, it has good elasticity and stretchability, high mechanical strength, good impact resistance, and good high-temperature resistance. It has a wider application field. Will not affect the environment.
  • the adhesion strength and fluidity of the magnetic material are improved, thereby improving the magnetic properties of the material;
  • the binder consists of toluenesulfonic acid, sodium silicate, polyvinyl alcohol, starch, and water at a temperature difference Mixed under the conditions, the obtained adhesive has good bonding effect and is not easy to agglomerate;
  • the dispersing agent is a mixture of vinyl bisstearic acid amide, potassium tripolyphosphate and sodium polypropylene, and the dispersion effect is good.

Abstract

L'invention porte sur un matériau magnétique de moteur préparé par les composants suivants en parties en poids : 15 à 20 parties d'oxyde de fer, 43 à 45 parties de manganèse, 0,5 à 1,2 partie d'oxyde de néodyme, 4 à 5 parties de zinc, 25 à 35 parties de polyamide, 1 à 3 parties de titane, 10 à 15 parties de carbonate de calcium, 12 à 21 parties de molybdène, 10 à 15 parties de carbonate de baryum, 11 à 14 parties de vanadium, 3 à 5 parties de calcium, 0,2 à 0,8 partie de carbonate de strontium, 15 à 20 parties de dioxyde de silicium, 13 à 32 parties de cuivre, 21 à 24 parties de niobium, 0,5 à 1,2 partie de dioxyde de molybdène, 2 à 6 parties de résine phénolique, 1 à 3 parties de samarium, 12 à 21 parties de cobalt, 2 à 6 parties d'un dispersant et 4 à 9 parties d'un agent de liaison. Les avantages dudit matériau sont les suivants : au moyen d'un refroidissement rapide et d'une augmentation de la température secondaire d'un corps d'ébauche, une structure cristalline dans le corps d'ébauche est visiblement modifiée par rapport à la cuisson primaire, et l'agencement de cristaux est plus lisse. Une température de Curie d'un aimant préparé dépasse 280°C, et la consommation d'énergie de l'aimant est bien inférieure à celui de l'état de la technique.
PCT/CN2018/119956 2018-12-09 2018-12-09 Matériau magnétique de moteur WO2020118467A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/119956 WO2020118467A1 (fr) 2018-12-09 2018-12-09 Matériau magnétique de moteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/119956 WO2020118467A1 (fr) 2018-12-09 2018-12-09 Matériau magnétique de moteur

Publications (1)

Publication Number Publication Date
WO2020118467A1 true WO2020118467A1 (fr) 2020-06-18

Family

ID=71076709

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/119956 WO2020118467A1 (fr) 2018-12-09 2018-12-09 Matériau magnétique de moteur

Country Status (1)

Country Link
WO (1) WO2020118467A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0786013A (ja) * 1993-06-30 1995-03-31 Victor Co Of Japan Ltd 磁性粉材料
CN104308158A (zh) * 2014-10-24 2015-01-28 张超 一种磁性材料制备方法
CN104308159A (zh) * 2014-10-24 2015-01-28 张超 一种磁性材料及制备方法
CN104319048A (zh) * 2014-10-24 2015-01-28 张超 一种磁性材料
CN104844188A (zh) * 2015-05-05 2015-08-19 苏州靖羽新材料有限公司 一种电机磁性材料
CN107935534A (zh) * 2017-12-12 2018-04-20 徐州远洋磁性材料有限公司 一种复合磁性材料

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0786013A (ja) * 1993-06-30 1995-03-31 Victor Co Of Japan Ltd 磁性粉材料
CN104308158A (zh) * 2014-10-24 2015-01-28 张超 一种磁性材料制备方法
CN104308159A (zh) * 2014-10-24 2015-01-28 张超 一种磁性材料及制备方法
CN104319048A (zh) * 2014-10-24 2015-01-28 张超 一种磁性材料
CN104844188A (zh) * 2015-05-05 2015-08-19 苏州靖羽新材料有限公司 一种电机磁性材料
CN107935534A (zh) * 2017-12-12 2018-04-20 徐州远洋磁性材料有限公司 一种复合磁性材料

Similar Documents

Publication Publication Date Title
CN109102976B (zh) 一种提高稀土钕铁硼磁性能的方法
CN104851545B (zh) 一种具有晶界扩散层的永磁材料制备方法
WO2022141975A1 (fr) Matériau ferrite pour aimant permanent et son procédé de préparation
CN104844188A (zh) 一种电机磁性材料
CN102303116A (zh) 一种μ40铁硅铝磁粉芯的制造方法
CN105060874A (zh) 一种增大电阻率的锰锌铁氧体材料
CN104575910A (zh) 电气工程用磁性材料
WO2016165305A1 (fr) Poudre magnétique
CN113831119B (zh) 一种超高Bs低损耗锰锌铁氧体材料及其制备方法
TW202126832A (zh) R-t-b系燒結磁體及其製備方法
CN109354488A (zh) 一种低成本永磁铁氧体材料及其制备方法
CN114436636A (zh) 一种差共模电感用高磁导率锰锌铁氧体材料及其制备方法
WO2020118467A1 (fr) Matériau magnétique de moteur
WO2020118475A1 (fr) Matériau magnétique composite
CN105097172A (zh) 一种低磁损耗铁氧体磁芯材料
CN103397252B (zh) 高磁导率软磁合金
CN103739280A (zh) 一种具有高磁导率、宽频特性的Mn-Zn铁氧体材料
CN115732155A (zh) 一种高矫顽力钕铁硼磁性材料及其制备方法
WO2020118469A1 (fr) Nouveau matériau magnétique
WO2020118466A1 (fr) Matériau magnétique
JPH04116144A (ja) 不可逆減磁の小さい熱安定性に優れたＲ‐Ｆｅ‐Ｃｏ‐Ｂ‐Ｃ系永久磁石合金
CN106653274A (zh) 一种具有吸音降噪功能的新能源汽车磁力水泵用粉末冶金磁环及其制作方法
WO2021017219A1 (fr) Poudre magnétique pour anneau magnétique permanent de ferrite magnétique et son procédé de préparation
WO2021031852A2 (fr) Matériau magnétique ayant une résistance à la pression élevée et son procédé de préparation
CN107808728A (zh) 一种铝合金磁性材料

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18942719

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18942719

Country of ref document: EP

Kind code of ref document: A1