FERROMAGNETIC POWDER COMPOSITION AND METHOD FOR ITS PRODUCTION
    1.
    发明申请
    FERROMAGNETIC POWDER COMPOSITION AND METHOD FOR ITS PRODUCTION 审中-公开
    氟化粉末组合物及其生产方法

    公开(公告)号:WO2011032931A1

    公开(公告)日:2011-03-24

    申请号:PCT/EP2010/063448

    申请日:2010-09-14

    IPC分类号: H01F1/24 H01F41/02

    摘要: The present invention concerns a ferromagnetic powder composition comprising soft magnetic iron-based core particles having an apparent density of 3.2-3.7 g/ml, and wherein the surface of the core particles is provided with a phosphorus-based inorganic insulating layer and at least one metal-organic layer, located outside the first phosphorus-based inorganic insulating layer. The invention further concerns a process for producing the composition and a method for the manufacturing of soft magnetic composite components prepared from the composition, as well as the obtained component.

    摘要翻译: 本发明涉及一种铁磁粉末组合物,其包含表观密度为3.2-3.7g / ml的软磁性铁基核心颗粒,并且其中芯颗粒的表面设置有磷基无机绝缘层和至少一个 金属有机层,位于第一磷基无机绝缘层的外侧。 本发明还涉及一种制备该组合物的方法和一种制备由该组合物制备的软磁性复合材料组分的方法以及所获得的组分。

    SOFT MAGNETIC POWDER
    2.
    发明申请
    SOFT MAGNETIC POWDER 审中-公开
    软磁粉

    公开(公告)号:WO2008069749A2

    公开(公告)日:2008-06-12

    申请号:PCT/SE2007/050945

    申请日:2007-12-06

    摘要: The present invention concerns a powder magnetic core for operating at high frequencies obtained by pressure forming an iron-based magnetic powder covered with an insulation film, and a specific resistance less than 1000, preferably less than 2000 and most preferably less than 3000 µm, a saturation magnetic flux density B above 1.5, preferably above 1.7 and most preferably above 1.9 (T). The invention also concerns the preparation of such cores as well as a powder which is suitable for the preparation.

    摘要翻译: 本发明涉及一种用于通过加压形成被绝缘膜覆盖的铁基磁性粉末而获得的高频操作的粉末磁芯,并且电阻小于1000,优选小于2000,最优选小于3000μm, 饱和磁通密度B高于1.5,优选高于1.7,最优选高于1.9(T)。 本发明还涉及这种芯的制备以及适于制备的粉末。

    SOFT MAGNETIC POWDER
    6.
    发明申请
    SOFT MAGNETIC POWDER 审中-公开
    软磁粉

    公开(公告)号:WO2008069749A3

    公开(公告)日:2010-01-21

    申请号:PCT/SE2007050945

    申请日:2007-12-06

    摘要: The present invention concerns a powder magnetic core for operating at high frequencies obtained by pressure forming an iron-based magnetic powder covered with an insulation film, and a specific resistance less than 1000, preferably less than 2000 and most preferably less than 3000 µm, a saturation magnetic flux density B above 1.5, preferably above 1.7 and most preferably above 1.9 (T). The invention also concerns the preparation of such cores as well as a powder which is suitable for the preparation.

    摘要翻译: 本发明涉及一种用于通过加压形成被绝缘膜覆盖的铁基磁性粉末而获得的高频操作的粉末磁芯,并且电阻小于1000,优选小于2000,最优选小于3000μm, 饱和磁通密度B高于1.5,优选高于1.7,最优选高于1.9(T)。 本发明还涉及这种芯的制备以及适于制备的粉末。

    FERROMAGNETIC POWDER COMPOSITION AND METHOD FOR ITS PRODUCTION
    7.
    发明申请
    FERROMAGNETIC POWDER COMPOSITION AND METHOD FOR ITS PRODUCTION 审中-公开
    氟化粉末组合物及其生产方法

    公开(公告)号:WO2009116938A1

    公开(公告)日:2009-09-24

    申请号:PCT/SE2009/050278

    申请日:2009-03-18

    IPC分类号: B22F1/02 H01F1/24

    摘要: The present invention concerns a ferromagnetic powder composition comprising soft magnetic iron-based core particles, wherein the surface of the core particles is provided with a first inorganic insulating layer and at least one metal-organic layer, located outside the first layer, of a metal-organic compound having the following general formula: (R 1 [(R 1 )x(R 2 ) y (MO n-1 )] n R 1 , wherein M is a central atom selected from Si, Ti, Al, or Zr; O is oxygen; R 1 is a hydrolysable group; R 2 is an organic moiety and wherein at least one R 2 contains at least one amino group; wherein n is the number of repeatable units being an integer between 1 and 20; wherein the x is an integer between 0 and 1; wherein y is an integer between 1 and 2; wherein a metallic or semi- metallic particulate compound having a Mohs hardness of less than 3.5 being adhered to at least one metal-organic layer; and wherein the powder composition further comprises a particulate lubricant. The invention further concerns a process for producing the composition and a method for the manufacturing of soft magnetic composite components prepared from the composition, as well as the obtained component.

    摘要翻译: 本发明涉及包含软磁性铁基核心颗粒的铁磁性粉末组合物,其中芯体颗粒的表面设置有第一无机绝缘层和位于第一层外侧的至少一个金属 - 有机层,金属 (R 1 [(R 1)x(R 2)y(MO n-1)] n R 1,其中M是选自Si,Ti,Al或Zr的中心原子; O是氧; R 1 是可水解基团; R 2是有机部分,并且其中至少一个R 2含有至少一个氨基;其中n是1至20之间的整数的可重复单元的数目;其中x是0和1之间的整数; 其中y是1和2之间的整数;其中Mohs硬度小于3.5的金属或半金属颗粒化合物粘附到至少一个金属 - 有机层;并且其中所述粉末组合物还包含颗粒润滑剂。 本发明还涉及一种方法 r制备组合物以及由该组合物制备的软磁性复合材料组分的制造方法以及所获得的组分。

    SOFT MAGNETIC COMPOSITE MATERIALS
    8.
    发明申请
    SOFT MAGNETIC COMPOSITE MATERIALS 审中-公开
    软磁复合材料

    公开(公告)号:WO2006135324A1

    公开(公告)日:2006-12-21

    申请号:PCT/SE2006/000722

    申请日:2006-06-15

    IPC分类号: H01F1/24 B22F1/02 H01F3/08

    摘要: The present invention concerns a process for the manufacture of soft magnetic composite components comprising the steps of : die compacting a powder composition comprising a mixture of soft magnetic, iron or iron-based powder, the core particles of which are surrounded by an electrically insulating, inorganic coating, and an organic lubricant in an amount of 0.05 to 1.5 % by weight of the composition, said organic lubricant being free from metal and having a temperature of vaporisation less than the decomposition temperature of the coating; ejecting the compacted body from the die; heating the compacted body in a non reducing atmosphere to a temperature above the vaporisation temperature of the lubricant and below the decomposition temperature of the inorganic coating for removing the lubricant from the compacted body, and subjecting the obtained body to heat treatment at a temperature between 3000C and 600°C in water vapour. The invention also concerns soft magnetic composite components having a transverse rupture strength of at least 100 MPa, a permeability of at least 700 and a core loss at 1 Tesla and 400 Hz of at most 70W/kg.

    摘要翻译: 本发明涉及一种用于制造软磁性复合材料组件的方法,包括以下步骤:模压粉末组合物,该粉末组合物包含软磁性,铁或铁基粉末的混合物,其核心颗粒被电绝缘的, 无机涂层和有机润滑剂,其含量为组合物重量的0.05-1.5%,所述有机润滑剂不含金属,其蒸发温度小于涂层的分解温度; 将压实体从模具中弹出; 将压实体在非还原性气氛中加热至高于润滑剂蒸发温度的温度,并低于无机涂层的分解温度,以从压实体中除去润滑剂,并将所得体在300℃的温度下进行热处理 和600℃的水蒸汽。 本发明还涉及具有至少100MPa的横向断裂强度,至少700的渗透性和1特斯拉和400Hz至多70W / kg的磁芯损耗的软磁性复合材料组件。

    FERROMAGNETIC POWDER COMPOSITION AND METHOD FOR ITS PRODUCTION
    10.
    发明申请
    FERROMAGNETIC POWDER COMPOSITION AND METHOD FOR ITS PRODUCTION 审中-公开
    氟化粉末组合物及其生产方法

    公开(公告)号:WO2011101276A1

    公开(公告)日:2011-08-25

    申请号:PCT/EP2011/051877

    申请日:2011-02-09

    摘要: The present invention relates to a ferromagnetic powder composition comprising soft magnetic iron-based core particles, wherein the surface of the core particles is provided with at least one phosphorus-based inorganic insulating layer and then at least partially covered with metal-organic compound(s), wherein the total amount of metal-organic compound(s) is between 0.005 and 0.05 % by weight of the powder composition, and wherein the powder composition further comprises a lubricant. The invention further relates to a process for producing the composition and a method for the manufacturing of soft magnetic composite components prepared from the composition, as well as the obtained component.

    摘要翻译: 本发明涉及包含软磁性铁基核心颗粒的铁磁粉末组合物,其中芯颗粒的表面设置有至少一个磷基无机绝缘层,然后至少部分被金属有机化合物覆盖 ),其中所述金属有机化合物的总量为所述粉末组合物的0.005至0.05重量%,并且其中所述粉末组合物还包含润滑剂。 本发明还涉及一种制备该组合物的方法以及由该组合物制备的软磁性复合材料组分的制备方法以及所获得的组分。