Rare earth magnet, method for producing same and method for producing multilayer body
    1.
    发明授权
    Rare earth magnet, method for producing same and method for producing multilayer body 有权
    稀土磁体,其制造方法以及多层体的制造方法

    公开(公告)号:US09005780B2

    公开(公告)日:2015-04-14

    申请号:US10594437

    申请日:2005-03-28

    摘要: The present invention aims to provide a rare earth magnet having sufficiently excellent anticorrosion property. The rare earth magnet 1 according to the present invention to solve the above problems includes a magnet body 10 containing rare earth elements, a substantial amorphous layer 20 formed on a surface of the magnet body 10, and a protecting layer 30 on a surface of the amorphous layer 20, and the amorphous layer 20 contains material identical to main component elements of magnet material contained in the magnet body 10.

    摘要翻译: 本发明的目的是提供一种具有足够优异的耐腐蚀性能的稀土磁体。 为了解决上述问题,本发明的稀土类磁体1包括:含有稀土元素的磁铁体10,形成在磁铁体10的表面的实质的非晶体层20,以及在磁体10的表面上形成的保护层30 非晶层20和非晶层20包含与包含在磁体10中的磁体材料的主要成分元素相同的材料。

    Rare Earth Magnet, Method for Producing Same and Method for Producing Multilayer Body
    2.
    发明申请
    Rare Earth Magnet, Method for Producing Same and Method for Producing Multilayer Body 有权
    稀土磁铁,生产方法及生产多层体的方法

    公开(公告)号:US20080202642A1

    公开(公告)日:2008-08-28

    申请号:US10594437

    申请日:2005-03-28

    IPC分类号: C21D1/09 H01F1/01 C23C22/00

    摘要: The present invention aims to provide a rare earth magnet having sufficiently excellent anticorrosion property. The rare earth magnet 1 according to the present invention to solve the above problems includes a magnet body 10 containing rare earth elements, a substantial amorphous layer 20 formed on a surface of the magnet body 10, and a protecting layer 30 on a surface of the amorphous layer 20, and the amorphous layer 20 contains material identical to main component elements of magnet material contained in the magnet body 10.

    摘要翻译: 本发明的目的是提供一种具有足够优异的耐腐蚀性能的稀土磁体。 为了解决上述问题,本发明的稀土类磁体1包括:含有稀土元素的磁铁体10,形成在磁铁体10的表面的实质的非晶体层20,以及在磁体10的表面上形成的保护层30 非晶层20和非晶层20包含与包含在磁体10中的磁体材料的主要成分元素相同的材料。

    Rare-earth magnet
    6.
    发明申请
    Rare-earth magnet 有权
    稀土磁铁

    公开(公告)号:US20070077454A1

    公开(公告)日:2007-04-05

    申请号:US11540723

    申请日:2006-10-02

    IPC分类号: B32B15/04 C04B35/40

    摘要: The present invention provides a rare-earth magnet capable of enhancing a corrosion resistance. A protective film is a three-layer film including a first protective layer with a crystalline structure α (for example, a polycrystalline structure), a second protective layer with a crystalline structure β (for example, a columnar-crystalline structure), and a third protective layer with the crystalline structure α from the side near a magnet body. Since the adjoining first and second protective layers have different crystalline structures from each other, and the adjoining second and third protective layers have also different crystalline structures from each other, compactness among the three layers in the protective film may be improved. Therefore, development of a pinhole is restrained, and corrosion of the protective film can be restrained.

    摘要翻译: 本发明提供一种能够提高耐腐蚀性的稀土类磁体。 保护膜是包括具有结晶结构α(例如,多晶结构)的第一保护层,具有结晶结构β的第二保护层(例如柱状结晶))的三层膜,以及 具有从靠近磁体的一侧的结晶结构α的第三保护层。 由于相邻的第一和第二保护层具有彼此不同的晶体结构,并且相邻的第二和第三保护层也具有彼此不同的晶体结构,所以可以提高保护膜中的三层之间的紧密度。 因此,能够抑制针孔的发展,能够抑制保护膜的腐蚀。

    Rare earth magnet
    7.
    发明授权
    Rare earth magnet 有权
    稀土磁铁

    公开(公告)号:US07553561B2

    公开(公告)日:2009-06-30

    申请号:US10566213

    申请日:2005-07-19

    IPC分类号: B32B19/00

    摘要: A rare earth magnet having excellent corrosion resistance is provided. It has a magnet body (10) containing a rare earth element, and a protective film (20) formed on the magnet body (10). In the protective film (20), a first protective film (21), a second protective film (22) and a third protective film (23) are laminated in this order from the side of the magnet body (10). These are in a polycrystalline state and composed of a metal plated film, for example. The first protective film (21) and the third protective film (23) have a smaller mean crystal grain size than that of the second protective film (22). Microcrystallization of the first protective film (21) can improve the density of the interface between the protective film (20) and the magnet body (10), and decrease the number of pinholes.

    摘要翻译: 提供了具有优异耐腐蚀性的稀土磁体。 它具有含有稀土元素的磁体(10)和形成在磁体(10)上的保护膜(20)。 在保护膜(20)中,从磁体(10)的侧面依次层叠第一保护膜(21),第二保护膜(22)和第三保护膜(23)。 这些处于多晶状态,例如由金属电镀膜构成。 第一保护膜(21)和第三保护膜(23)的平均晶粒尺寸比第二保护膜(22)的平均晶粒尺寸小。 第一保护膜(21)的微结晶可以提高保护膜(20)和磁体(10)之间的界面密度,并减少针孔的数量。

    Rare Earth Magnet
    8.
    发明申请
    Rare Earth Magnet 有权
    稀土磁铁

    公开(公告)号:US20080053573A1

    公开(公告)日:2008-03-06

    申请号:US10566213

    申请日:2005-07-19

    IPC分类号: H01F1/00

    摘要: A rare earth magnet having excellent corrosion resistance is provided. It has a magnet body (10) containing a rare earth element, and a protective film (20) formed on the magnet body (10). In the protective film (20), a first protective film (21), a second protective film (22) and a third protective film (23) are laminated in this order from the side of the magnet body (10). These are in a polycrystalline state and composed of a metal plated film, for example. The first protective film (21) and the third protective film (23) have a smaller mean crystal grain size than that of the second protective film (22). Microcrystallization of the first protective film (21) can improve the density of the interface between the protective film (20) and the magnet body (10), and decrease the number of pinholes.

    摘要翻译: 提供了具有优异耐腐蚀性的稀土磁体。 它具有含有稀土元素的磁体(10)和形成在磁体(10)上的保护膜(20)。 在保护膜(20)中,从磁体(10)的侧面依次层叠第一保护膜(21),第二保护膜(22)和第三保护膜(23)。 这些处于多晶状态,例如由金属电镀膜构成。 第一保护膜(21)和第三保护膜(23)的平均晶粒尺寸比第二保护膜(22)的平均晶粒尺寸小。 第一保护膜(21)的微结晶可以提高保护膜(20)和磁体(10)之间的界面密度,并减少针孔的数量。

    Rare-earth magnet
    9.
    发明授权
    Rare-earth magnet 有权
    稀土磁铁

    公开(公告)号:US07794859B2

    公开(公告)日:2010-09-14

    申请号:US11540723

    申请日:2006-10-02

    IPC分类号: B32B15/04

    摘要: A rare-earth magnet having a protective film for enhancing a corrosion resistance is provided. The protective film is a three-layer film including a first protective layer with a crystalline structure α (for example, a polycrystalline structure), a second protective layer with a crystalline structure β (for example, a columnar-crystalline structure), and a third protective layer with the crystalline structure α from the side near a magnet body. Since the adjoining first and second protective layers have different crystalline structures from each other, and the adjoining second and third protective layers have also different crystalline structures from each other, compactness among the three layers in the protective film may be improved. Therefore, development of a pinhole is restrained, and corrosion of the protective film can be restrained.

    摘要翻译: 提供了具有用于提高耐腐蚀性的保护膜的稀土类磁体。 保护膜是包括具有结晶结构α的第一保护层(例如多晶结构)的三层膜,具有结晶结构的第二保护层, (例如柱状晶体结构)和从靠近磁体的一侧具有结晶结构α的第三保护层。 由于相邻的第一和第二保护层具有彼此不同的晶体结构,并且相邻的第二和第三保护层也具有彼此不同的晶体结构,所以可以提高保护膜中的三层之间的紧密度。 因此,能够抑制针孔的发展,能够抑制保护膜的腐蚀。