Journal ArticleDOI
Grains orientation and restructure mechanism of Ce-contained magnets processed by reduction diffusion
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TLDR
In this paper, the authors show that RE-O-F compounds are formed in the diffused surface, the characteristic peak is distinct and the gradient distribution structure of the anisotropic field (GDSAF) appears in SEM due to diffusing.About:
This article is published in Journal of Alloys and Compounds.The article was published on 2022-01-25. It has received 12 citations till now. The article focuses on the topics: Magnet & Anisotropy.read more
Citations
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Magnetic and microstructural characteristics of DyF3/DyHx dip-coated Nd–Fe–B sintered magnets
TL;DR: In this paper, the microstructural and magnetic properties of DyF3/DyHx dip-coated Nd-Fe-B sintered magnet were investigated.
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Novel design of self-compensated thermally stable Ce magnets without critical elements
TL;DR: In this paper , a novel design concept was proposed for optimizing the grain boundaries from the theoretical aspect, which could play the self-compensation effect on the thermal stability of the coercivity.
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Design of novel quasi-trivalent dual-main-phase Ce magnets with high performance by manipulating the chemical state of Ce
TL;DR: In this paper , a quasi-trivalent dual-main-phase (Nd, Ce)-Fe-B magnets (DMP Ce magnets) using the strategy of two main phases with giant magnetic anisotropy energy gap (MAEG) was proposed.
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Effect of Ce content on the magnetic properties and microstructure of sintered Nd-Ce-Fe-B magnets after Pr70Cu30 alloy diffusion
TL;DR: In this paper , the effect of grain boundary diffusion process (GBDP) with Pr 70 Cu 30 alloy was performed on sintered Nd-Ce-Fe-B magnets with different Ce contents.
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Investigation of the magnetic properties, microstructure and corrosion resistance of sintered Nd-Ce-Fe-B magnets with different Ce contents
Fugang Chen,H. Han,Tieqiao Zhang,Sihan Liu,Yong Zhao,Xiaoli Wang,Dongpeng Wang,Wenqiang Zhao +7 more
TL;DR: The magnetic properties, microstructure and anti-corrosion properties of Nd-Ce-Fe-B magnets with different Ce contents (0, 5, 10, and 15 wt%) were analyzed in this paper .
References
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Journal ArticleDOI
New material for permanent magnets on a base of Nd and Fe (invited)
TL;DR: In this paper, a new compound composed of Nd, Fe, and a small quantity of B (about 1 wt. %) has been found, which has a tetragonal structure with lattice constants a=0.880 nm and c=1.221 nm.
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R 2 Fe 14 B materials: Intrinsic properties and technological aspects
TL;DR: In this article, a review of the magnetic properties of rare-earth-iron-boron compounds is presented, including magnetic structures, magnetocrystalline anisotropy, magnet transition-metal exchange interactions, and rare earth-transition metal exchange interactions.
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Magnetization and magnetic anisotropy of R2Fe14B measured on single crystals
Satoshi Hirosawa,Yutaka Matsuura,Hitoshi Yamamoto,Setsuo Fujimura,Masato Sagawa,Hiroshi Yamauchi +5 more
TL;DR: In this article, the temperature dependence of the saturation magnetization and the magnetocrystalline anisotropy field have been measured on single-crystal samples of the R2Fe14B compounds for R=Y, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, and Tm.
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Influence of Ce Content on the Rectangularity of Demagnetization Curves and Magnetic Properties of Re-Fe-B Magnets Sintered by Double Main Phase Alloy Method
TL;DR: In this article, a double main phase alloy method has been performed to adjust the composition and combination of main phases in the magnets and make a partial main phase without Ce, which can maintain higher remanence.
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NdFeB anisotropic magnet powders produced by the HDDR process
R. Nakayama,Takuo Takeshita +1 more
TL;DR: In this paper, the effects of many kinds of additives in anisotropic magnet powders produced by the hydrogenation, decomposition, desorption, recombination (HDDR) process were studied, particularly with regard to magnetic properties and microstructures.