Process for the production of an anisotropic magnetic material based
upon the Sm-Fe-N system
    1.
    发明授权
    Process for the production of an anisotropic magnetic material based upon the Sm-Fe-N system 失效
    基于SM-FE-N系统生产ANISOTROPIC磁性材料的工艺

    公开(公告)号:US5137588A

    公开(公告)日:1992-08-11

    申请号:US736016

    申请日:1991-07-25

    IPC分类号: H01F1/053 C04B35/58 H01F1/059

    摘要: Magnet material of the Sm-Fe-N system having a crystalline, hard magentic phase with a Th.sub.2 Zn.sub.17 crystal structure, wherein N atoms are incorporated into the crystal lattice, is produced. First a preliminary product is formed by sintering a Sm-Fe powder which is oriented in a magnetic field to provide a sintered body having a two-component Sm-Fe phase. The sintered body is heat treated in a nitrogen atmosphere to form the Sm-Fe-N hard magnetic phase. The nitrogen atomosphere may advantageously be reactive nitrogen.

    摘要翻译: 制备具有Th2Zn17晶体结构的结晶硬磁相的Sm-Fe-N体系的磁性材料,其中N原子并入晶格中。 首先,通过烧结在磁场中取向的Sm-Fe粉末形成初步产物,以提供具有双组分Sm-Fe相的烧结体。 烧结体在氮气气氛中进行热处理,形成Sm-Fe-N硬磁相。 氮气氛可以有利地是活性氮。

    METHOD FOR FABRICATING A FUNCTIONALLY-GRADED MONOLITHIC SINTERED WORKING COMPONENT FOR MAGNETIC HEAT EXCHANGE AND AN ARTICLE FOR MAGNETIC HEAT EXCHANGE
    4.
    发明申请
    METHOD FOR FABRICATING A FUNCTIONALLY-GRADED MONOLITHIC SINTERED WORKING COMPONENT FOR MAGNETIC HEAT EXCHANGE AND AN ARTICLE FOR MAGNETIC HEAT EXCHANGE 有权
    用于制造用于磁热交换器的功能级别的单片烧结工作元件和用于磁热交换器的方法

    公开(公告)号:US20130187077A1

    公开(公告)日:2013-07-25

    申请号:US13817304

    申请日:2011-08-17

    IPC分类号: H01F1/01

    摘要: An article for magnetic heat exchange includes a functionally-graded monolithic sintered working component including La1-aRa(Fe1-x-yTyMx)13HzCb with a NaZn13-type structure. M is one or more of the elements from the group consisting of Si and Al, T is one or more of the elements from the group consisting of Mn, Co, Ni, Ti, V and Cr and R is one or more of the elements from the group consisting of Ce, Nd, Y and Pr. A content of the one or more elements T and R, if present, a C content, if present, and a content of M varies in a working direction of the working component and provides a functionally-graded Curie temperature. The functionally-graded Curie temperature monotonically decreases or monotonically increases in the working direction of the working component.

    摘要翻译: 用于磁热交换的制品包括具有NaZn13型结构的La1-aRa(Fe1-x-yTyMx)13Hzb的功能梯度的单片烧结工作组件。 M是由Si和Al组成的组中的一种或多种元素,T是由Mn,Co,Ni,Ti,V和Cr组成的组中的一种或多种元素,R是一种或多种元素 由Ce,Nd,Y和Pr组成的组。 一个或多个元素T和R的含量(如果存在)C含量(如果存在)和M的含量在工作部件的工作方向上变化并提供功能梯度的居里温度。 功能梯度的居里温度在工作部件的工作方向上单调减小或单调增加。

    Article for Use in Magnetic Heat Exchange, Intermediate Article and Method for Producing an Article for Use in Magnetic Heat Exchange
    5.
    发明申请
    Article for Use in Magnetic Heat Exchange, Intermediate Article and Method for Producing an Article for Use in Magnetic Heat Exchange 审中-公开
    用于磁热交换的产品,制造用于磁性热交换的物品的中间产品和方法

    公开(公告)号:US20110140031A1

    公开(公告)日:2011-06-16

    申请号:US13058838

    申请日:2008-10-01

    IPC分类号: H01F1/04 H01F1/00

    CPC分类号: H01F1/015

    摘要: Article for use in magnetic heat exchange, intermediate article and method for producing an article for use in magnetic heat exchangeAn article for magnetic heat exchange is produced by heat treating an intermediate article comprising, in total, elements in amounts capable of providing at least one magnetocalorically active LaFe13-based phase and less than 5 Vol % impurities, wherein the intermediate article comprises a permanent magnet. The intermediate article is worked by removing at least one portion of the intermediate article. The intermediate article is then heat treated to produce a final product comprising at least one magnetocalorically active LaFe13-based phase.

    摘要翻译: 用于磁热交换的制品,用于制造用于磁性热交换的物品的中间制品和方法用于磁性热交换的制品是通过热处理中间制品制备的,所述中间制品总共包含能够提供至少一种 磁热活性LaFe13基相和小于5vol%的杂质,其中中间制品包括永磁体。 通过去除中间制品的至少一部分来加工中间制品。 然后对中间制品进行热处理以产生包含至少一个磁热活性LaFe13基相的最终产物。

    Method of fabricating a working component for magnetic heat exchange
    7.
    发明授权
    Method of fabricating a working component for magnetic heat exchange 有权
    制造用于磁热交换的工作部件的方法

    公开(公告)号:US09524816B2

    公开(公告)日:2016-12-20

    申请号:US13026150

    申请日:2011-02-11

    IPC分类号: H01F1/01 B23P15/26

    摘要: A process of fabricating a monolithic working component for magnetic heat exchange is disclosed. The process includes mixing two or more portions comprising amounts of La, Fe, Si and at least one of T and R suitable to produce a La1-aRa(Fe1-x-yTySix)13Hz phase, wherein T is at least one element from the group consisting of Mn, Co, Ni and Cr and R is at least one element from the group consisting of Ce, Nd, Y and Pr. The amount of T, R, and Si is selected for each of the two or more portions to provide the two or more portions with differing Curie temperatures and, preferably, a density, d, within a range of ±5% of an average density, dav, of a total number of portions. The process includes heat treating a single monolithic green body formed from two or more precursor powder mixtures to produce a single monolithic working component.

    摘要翻译: 公开了制造用于磁热交换的整体工作部件的工艺。 该方法包括混合两种或多种包含La,Fe,Si和适合于产生La1-aRa(Fe1-x-yTySix)13H 3相的T和R中的至少一种的部分的部分,其中T是至少一种元素, 由Mn,Co,Ni和Cr组成的组和R是从Ce,Nd,Y和Pr组成的组中的至少一种元素。 对于两个或更多个部分中的每一个选择T,R和Si的量,以提供具有不同居里温度的两个或更多个部分,并且优选密度d在平均密度的±5%的范围内 ,总共数部分。 该方法包括热处理由两种或更多种前体粉末混合物形成的单个整体生坯,以产生单个整体工作组分。

    Magnetic Article and Method for Producing a Magnetic Article
    10.
    发明申请
    Magnetic Article and Method for Producing a Magnetic Article 失效
    磁性物品的制造和制造方法

    公开(公告)号:US20110001594A1

    公开(公告)日:2011-01-06

    申请号:US12809152

    申请日:2009-09-30

    摘要: A magnetic article comprises, in total, elements in amounts capable of providing at least one (La1-aMa) (Fe1-b-cTbYc)13-dXe phase and less than 0.5 Vol % impurities, wherein 0≦a≦0.9, 0≦b≦0.2, 0.05≦c≦0.2, −1≦d≦+1, 0≦e≦3, M is one or more of the elements Ce, Pr and Nd, T is one or more of the elements Co, Ni, Mn and Cr, Y is one or more of the elements Si, Al, As, Ga, Ge, Sn and Sb and X is one or more of the elements H, B, C, N, Li and Be. The magnetic article comprises a permanent magnet.

    摘要翻译: 磁性制品总共包含能够提供至少一种(La1-aMa)(Fe1-b-cTbYc)13-dXe相和小于0.5vol%杂质的量的元素,其中0< nlE; a≦̸ 0.9,0& b≦̸ 0.2,0.05≦̸ c≦̸ 0.2,-1≦̸ d≦̸ +1,0≦̸ e≦̸ 3,M是元素Ce,Pr和Nd中的一种或多种,​​T是一种或多种元素Co,Ni Mn,Cr,Y是元素Si,Al,As,Ga,Ge,Sn和Sb中的一种或多种,​​X是元素H,B,C,N,Li和Be中的一种或多种。 磁性制品包括永磁体。