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首页> 外文会议>第19届国际稀土永磁及应用研讨会（19th International Workshop on Rare Earth Permanent Magnets amp; Their Applications）（REPM'06） >Magnetic Alignment Study of Hybrid Magnet Consisting of R-Rich and R-Lean Nd-Fe-B Alloys
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Magnetic Alignment Study of Hybrid Magnet Consisting of R-Rich and R-Lean Nd-Fe-B Alloys

机译：由富R和贫Rd Nd-Fe-B合金组成的混合磁体的磁对准研究

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摘要

A hybrid magnet was prepared by the hot-pressing and die-upsetting of the mixture of the R-rich NdxFe93.5-xGa0.5B6 (x= 13.5 and 11.8) alloy and the R-lean NdxFe93-xNb1B6 (x = 6, 9) alloy melt-spun ribbons. The microstructure and magnetic properties of the hybrid magnet were investigated. In the hot-pressed or die-upset hybrid magnet the R-rich and R-lean alloy regions existed independently without alloying between them. The two alloy regions in the die-upset hybrid magnet were coupled effectively via a magnetostatic interaction. A texture was developed only in the R-rich Nd2Fe14B single phase alloy region in the die-upset hybrid magnet, and this led to an anisotropic nature in die-upset hybrid magnet. The die-upset hybrid magnets containing higher Nd-content (13.5 at%) host alloy shows consistently a better magnetic alignment with respect to the magnets with lower Nd-content (11.8 at%) host alloy.
机译：通过将富R的NdxFe93.5-xGa0.5B6（x = 13.5和11.8）合金与R贫的NdxFe93-xNb1B6（x = 6）的混合物进行热压和模锻来制备混合磁体。 9）合金熔纺带。研究了混合磁体的微观结构和磁性能。在热压或模锻混合磁体中，富R和贫R合金区域独立存在，而彼此之间没有合金化。模锻混合磁体中的两个合金区域通过静磁相互作用有效耦合。仅在模锻混合磁体的富含R的Nd2Fe14B单相合金区域中产生织构，这导致模锻混合磁体具有各向异性。含有较高Nd含量（13.5 at％）主体合金的模锻混合磁体相对于具有较低Nd含量（11.8 at％）主体合金的磁体始终显示出更好的磁取向。

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