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    • 8. 发明授权
    • Method of fabricating a working component for magnetic heat exchange
    • 制造用于磁热交换的工作部件的方法
    • US09524816B2
    • 2016-12-20
    • US13026150
    • 2011-02-11
    • Matthias KatterVolker ZellmannAlexander Barcza
    • Matthias KatterVolker ZellmannAlexander Barcza
    • H01F1/01B23P15/26
    • H01F1/017B23P15/26H01F1/015Y10T29/4935Y10T428/24992
    • 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.
    • 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。