公开(公告)号：US09859042B2

公开(公告)日：2018-01-02

申请号：US14380060

申请日：2012-07-02

申请人： Yang Luo ,  Hongwei Li ,  Dunbo Yu ,  Kuoshe Li ,  Wenlong Yan ,  Jiajun Xie ,  Shuai Lu

发明人： Yang Luo ,  Hongwei Li ,  Dunbo Yu ,  Kuoshe Li ,  Wenlong Yan ,  Jiajun Xie ,  Shuai Lu

IPC分类号： H01F1/057 ,  H01F1/059 ,  H01F1/08 ,  C22C38/00 ,  C22C38/02 ,  C22C38/06 ,  C22C38/10 ,  C22C38/12 ,  C22C38/14 ,  H01F1/055 ,  C22C38/16 ,  B22F1/00 ,  C22C38/30

CPC分类号： H01F1/0578 ,  B22F1/0018 ,  B22F2001/0033 ,  B22F2998/10 ,  B22F2999/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/06 ,  C22C38/10 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  C22C38/30 ,  H01F1/0551 ,  H01F1/0571 ,  H01F1/059 ,  H01F1/083 ,  B22F9/08 ,  B22F2009/0816 ,  B22F9/04 ,  B22F1/0085 ,  B22F1/0088 ,  B22F2201/02 ,  B22F2201/013 ,  B22F2201/016

摘要： The application discloses a rare-earth permanent magnetic powder, a bonded magnet, and a device using the bonded magnet. The rare-earth permanent magnetic powder comprises 4 to 12 at. % of Nd, 0.1 to 2 at. % of C, 10 to 25 at. % of N and 62.2 to 85.9 at. % of T, wherein T is Fe or FeCo and the main phase of the rare-earth permanent magnetic powder is a hard magnetic phase with a TbCu7 structure. Material volatilization can be avoided effectively during a preparation process of the rare earth permanent magnetic powder, thus improving the wettability with a water-cooling roller during the preparation process and final prepared materials are provided with good magnetic properties.

公开(公告)号：US20150318089A1

公开(公告)日：2015-11-05

申请号：US14651560

申请日：2013-05-31

申请人： Hongwei Li ,  Yang Luo ,  Dunbo Yu ,  Kuoshe Li ,  Wenlong Yan ,  Shipeng Li ,  Yongqiang Yuan ,  Haijun Peng

发明人： Hongwei Li ,  Yang Luo ,  Dunbo Yu ,  Kuoshe Li ,  Wenlong Yan ,  Shipeng Li ,  Yongqiang Yuan ,  Haijun Peng

IPC分类号： H01F1/059 ,  H01F1/22 ,  H01F41/02 ,  C21D6/00 ,  C21D1/18 ,  C22C38/00 ,  C22C38/10 ,  C22C38/14 ,  C22C38/12 ,  C22C38/06 ,  C22C38/02 ,  B22F9/08 ,  C23C8/22 ,  C23C8/26 ,  H01F1/055 ,  H01F1/08

CPC分类号： H01F1/059 ,  B22F9/082 ,  B22F2998/10 ,  B22F2999/00 ,  C21D1/18 ,  C21D6/00 ,  C22C33/02 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/10 ,  C22C38/12 ,  C22C38/14 ,  C22C2202/02 ,  C23C8/22 ,  C23C8/26 ,  H01F1/0551 ,  H01F1/0558 ,  H01F1/083 ,  H01F1/22 ,  H01F41/0266 ,  B22F2009/048 ,  B22F1/0088 ,  B22F2201/30 ,  B22F2201/02

摘要： A rare-earth permanent magnetic powder, a bonded magnet containing thereof and a device using the bonded magnet are provided of the present disclosure. The rare-earth permanent magnetic powder comprises: 70 vol % to 99 vol % of a hard magnetic phase and 1 vol % to 30 vol % of a soft magnetic phase, the hard magnetic phase has a TbCu7 structure, and the grain size of the hard magnetic phase is 5 nm to 100 nm; the soft magnetic phase is a Fe phase having a bcc structure, the average grain size of the soft magnetic phase is 1 nm to 30 nm, and the standard deviation of the grain size is below 0.5σ.

摘要翻译： 本公开提供了一种稀土永磁粉末，其含有的粘结磁体和使用该粘结磁体的装置。 稀土永久磁铁粉末含有70〜99体积％的硬磁性相和1〜30体积％的软磁性相，硬磁性相具有TbCu 7结构， 硬磁相为5nm〜100nm; 软磁性相是具有bcc结构的Fe相，软磁性相的平均粒径为1nm〜30nm，晶粒尺寸的标准偏差小于0.5μm。

公开(公告)号：US10079085B2

公开(公告)日：2018-09-18

申请号：US14651560

申请日：2013-05-31

申请人： Hongwei Li ,  Yang Luo ,  Dunbo Yu ,  Kuoshe Li ,  Wenlong Yan ,  Shipeng Li ,  Yongqiang Yuan ,  Haijun Peng

发明人： Hongwei Li ,  Yang Luo ,  Dunbo Yu ,  Kuoshe Li ,  Wenlong Yan ,  Shipeng Li ,  Yongqiang Yuan ,  Haijun Peng

IPC分类号： B22F1/00 ,  B22F9/00 ,  H01F1/059 ,  C22C38/00 ,  H01F1/08 ,  H01F1/22 ,  H01F41/02 ,  C21D6/00 ,  C21D1/18 ,  C22C38/10 ,  C22C38/14 ,  C22C38/12 ,  C22C38/06 ,  C22C38/02 ,  B22F9/08 ,  C23C8/22 ,  C23C8/26 ,  H01F1/055 ,  C22C38/04

CPC分类号： H01F1/059 ,  B22F1/00 ,  B22F9/082 ,  B22F2998/10 ,  B22F2999/00 ,  C21D1/18 ,  C21D6/00 ,  C22C33/02 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/10 ,  C22C38/12 ,  C22C38/14 ,  C22C2202/02 ,  C23C8/22 ,  C23C8/26 ,  H01F1/0551 ,  H01F1/0558 ,  H01F1/083 ,  H01F1/22 ,  H01F41/0266 ,  B22F2009/048 ,  B22F1/0088 ,  B22F2201/30 ,  B22F2201/02

摘要： A rare-earth permanent magnetic powder, a bonded magnet containing thereof and a device using the bonded magnet are provided of the present disclosure. The rare-earth permanent magnetic powder comprises: 70 vol % to 99 vol % of a hard magnetic phase and 1 vol % to 30 vol % of a soft magnetic phase, the hard magnetic phase has a TbCu7 structure, and the grain size of the hard magnetic phase is 5 nm to 100 nm; the soft magnetic phase is a Fe phase having a bcc structure, the average grain size of the soft magnetic phase is 1 nm to 30 nm, and the standard deviation of the grain size is below 0.5σ.

公开(公告)号：US20130020527A1

公开(公告)日：2013-01-24

申请号：US13637859

申请日：2011-03-28

申请人： Hongwei Li ,  Dunbo Yu ,  Yang Luo ,  Kuoshe Li ,  Shipeng Li ,  Min Wang ,  Yongqiang Yuan

发明人： Hongwei Li ,  Dunbo Yu ,  Yang Luo ,  Kuoshe Li ,  Shipeng Li ,  Min Wang ,  Yongqiang Yuan

IPC分类号： H01F1/01 ,  H01F1/06 ,  B82Y30/00

CPC分类号： H01F1/0596 ,  C22C33/0278 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/10 ,  C22C38/12 ,  C22C45/02 ,  Y10T428/2982

摘要： A rare-earth permanent magnetic powder, a bonded magnet, and a device comprising the bonded magnet are provided. The rare-earth permanent magnetic powder is mainly composed of 7-12 at % of Sm, 0.1-1.5 at % of M, 10-15 at % of N, 0.1-1.5 at % of Si, and Fe as the balance, wherein M is at least one element selected from the group of Be, Cr, Al, Ti, Ga, Nb, Zr, Ta, Mo, and V, and the main phase of the rare-earth permanent magnetic powder is of TbCu7 structure. Element Si is added into the rare-earth permanent magnetic powder for increasing the ability of SmFe alloy to from amorphous structure, and for increasing the wettability of the alloy liquid together with the addition of element M in a certain content, which enables the alloy liquid prone to be injected out of a melting device. The average diameter of the rare-earth permanent magnetic powder is in the range of 10-100 μm, and the rare-earth permanent magnetic powder is composed of nanometer crystals with average grain size of 10-120 nm or amorphous structure

摘要翻译： 提供稀土永磁粉末，粘结磁体和包括粘结磁体的装置。 稀土永磁粉主要由Sm的7-12at％，M的0.1-1.5原子％，N的10-15at％，Si的0.1-1.5原子％组成，其余为Fe， M是选自Be，Cr，Al，Ti，Ga，Nb，Zr，Ta，Mo和V中的至少一种元素，稀土永磁粉末的主相是TbCu7结构。 将元素Si添加到稀土永磁体粉末中，以提高SmFe合金从无定形结构的能力，并且为了提高合金液的润湿性，以及以一定的含量添加元素M，这使得合金液体 容易从熔化装置中注入。 稀土类永久磁铁粉末的平均粒径在10〜100μm的范围内，稀土类永久磁铁粉末由平均粒径为10〜120nm的纳米晶体或无定形结构体

公开(公告)号：US09245674B2

公开(公告)日：2016-01-26

申请号：US13637859

申请日：2011-03-28

申请人： Hongwei Li ,  Dunbo Yu ,  Yang Luo ,  Kuoshe Li ,  Shipeng Li ,  Min Wang ,  Yongqiang Yuan

发明人： Hongwei Li ,  Dunbo Yu ,  Yang Luo ,  Kuoshe Li ,  Shipeng Li ,  Min Wang ,  Yongqiang Yuan

IPC分类号： C22C38/12 ,  H01F1/059 ,  C22C33/02 ,  C22C38/00 ,  C22C38/02 ,  C22C38/10 ,  C22C45/02

CPC分类号： H01F1/0596 ,  C22C33/0278 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/10 ,  C22C38/12 ,  C22C45/02 ,  Y10T428/2982

摘要： A rare-earth permanent magnetic powder, a bonded magnet, and a device comprising the bonded magnet are provided. The rare-earth permanent magnetic powder is mainly composed of 7-12 at % of Sm, 0.1-1.5 at % of M, 10-15 at % of N, 0.1-1.5 at % of Si, and Fe as the balance, wherein M is at least one element selected from the group of Be, Cr, Al, Ti, Ga, Nb, Zr, Ta, Mo, and V, and the main phase of the rare-earth permanent magnetic powder is of TbCu7 structure. Element Si is added into the rare-earth permanent magnetic powder for increasing the ability of SmFe alloy to from amorphous structure, and for increasing the wettability of the alloy liquid together with the addition of element M in a certain content, which enables the alloy liquid prone to be injected out of a melting device. The average diameter of the rare-earth permanent magnetic powder is in the range of 10-100 μm, and the rare-earth permanent magnetic powder is composed of nanometer crystals with average grain size of 10-120 nm or amorphous structure.

摘要翻译： 提供稀土永磁粉末，粘结磁体和包括粘结磁体的装置。 稀土永磁粉主要由Sm的7-12at％，M的0.1-1.5原子％，N的10-15at％，Si的0.1-1.5原子％组成，其余为Fe， M是选自Be，Cr，Al，Ti，Ga，Nb，Zr，Ta，Mo和V中的至少一种元素，稀土永磁粉末的主相是TbCu7结构。 将元素Si添加到稀土永磁体粉末中，以提高SmFe合金从无定形结构的能力，并且为了提高合金液的润湿性，以及以一定的含量添加元素M，这使得合金液体 容易从熔化装置中注入。 稀土永磁粉末的平均直径在10〜100μm的范围内，稀土类永久磁铁粉末由平均粒径为10〜120nm的纳米晶体或非晶结构构成。

公开(公告)号：US20130014860A1

公开(公告)日：2013-01-17

申请号：US13638512

申请日：2011-03-28

申请人： Hongwei Li ,  Dunbo Yu ,  Yang Luo ,  Kuoshe Li ,  Shipeng Li ,  Min Wang ,  Yongqiang Yuan

发明人： Hongwei Li ,  Dunbo Yu ,  Yang Luo ,  Kuoshe Li ,  Shipeng Li ,  Min Wang ,  Yongqiang Yuan

IPC分类号： C21D1/00 ,  F27D99/00 ,  C21D11/00

CPC分类号： B22F9/08 ,  B22D11/0602 ,  B22D11/10 ,  B22D11/144 ,  B22F2009/048 ,  B22F2009/0888 ,  B22F2999/00 ,  H01F1/0571 ,  H01F1/059 ,  B22F2203/13

摘要： The application provides a method for manufacturing melt-spinning alloys and an apparatus thereof, which belongs to the technical field of metal materials and preparation thereof. The main feature of method including steps of melting alloy and jetting the molten alloy for rapid-quenching is that alloy melting and rapid-quenching are respectively implemented in independent environments, and the pressure of the two environments can be adjusted separately. The method can realize uniformity control of rapid-quenching velocity by controlling the melting and quenching pressure respectively, which has the advantages of increased rapid-quenching cooling rate, improved melt-spinning alloys thickness uniformity, reduced probability of nozzle clogging.

摘要翻译： 该应用提供了一种熔融纺丝合金的制造方法及其装置，属于金属材料的技术领域及其制备。 熔融合金和喷射熔融合金快速淬火步骤的主要方法是分别在独立的环境下实现合金熔化和快速淬火，并可以分开调整两种环境的压力。 该方法可以通过分别控制熔化和淬火压力来实现快速淬火速度的均匀性控制，具有提高快淬冷却速度，提高熔体纺丝合金厚度均匀性，降低喷嘴堵塞概率的优点。