Special microstructure evolution and enhanced magnetic properties of Ce-Fe-B-based spark plasma sintered magnets with core-shell structure by NdCu addition

Jiang, Qingzheng; Lei, Weikai; He, Lunke; Zeng, Qingwen; Rehman, Sajjad Ur; Zhang, Lili; Liu, Renhui; Ma, Shengcan; Zhong, Zhenchen

doi:10.1016/j.jallcom.2018.10.114

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Spark Plasma Sintering (Sps)1

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Cited by 29 publications

(2 citation statements)

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“…Restructuring also reveals to be efficient for developing core-shell structures during SPS consolidation, either with NdCu [138], PrCu [135] or DyF3/Cu addition [137]. Cui et al…”

Section: Spark Plasma Sintering (Sps)mentioning

confidence: 99%

Nd2Fe14B permanent magnets substituted with non-critical light rare earth elements (Ce, La): A review

Delette

2023

Journal of Magnetism and Magnetic Materials

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“…Restructuring also reveals to be efficient for developing core-shell structures during SPS consolidation, either with NdCu [138], PrCu [135] or DyF3/Cu addition [137]. Cui et al…”

Section: Spark Plasma Sintering (Sps)mentioning

confidence: 99%

Nd2Fe14B permanent magnets substituted with non-critical light rare earth elements (Ce, La): A review

Delette

2023

Journal of Magnetism and Magnetic Materials

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“…The addition of Zr strengthens the exchange coupling effect, thereby increasing the magnetic properties of the Ce 17 Fe 77.5 B 6 Zr 0.5 alloys [9]. NdCu is used to improve the magnetic properties at room and elevated temperatures, and the thermal stabilities of the CeFeB-based spark plasma sintered magnets [10]. Co-doping improves the Curie temperature T c of the CeFeB alloys [11].…”

Section: Introductionmentioning

confidence: 99%

Uneven Evolution of Microstructure, Magnetic Properties and Coercivity Mechanism of Mo-Substituted Nd–Ce–Fe–B Alloys

Zhang

Song

Rehman

et al. 2020

Acta Metall. Sin. (Engl. Lett.)

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The purpose of this paper is to study the influence of Mo addition on the phase morphologies, microstructures and magnetic properties of the designated alloys. It is found out that the coercivity H cj increases unevenly from 12.2 kOe for (Nd 0.8 Ce 0.2 ) 13 Fe 82 B 5 to the maximum value of 13.3 kOe for (Nd 0.8 Ce 0.2 ) 13 Fe 80 B 5 Mo 2 . The transmission electron microscopy images demonstrate that the grain size decreases with the addition of Mo, which indicates that Mo has grain refinement effect. The correlative analysis gives rise to the conclusion that the coercivity mechanism of the investigated alloys is dominated by pinning type. All in all, the enhancement of the magnetic properties is mainly attributed to the synergistic impact of grain refinement, pinning effects and the microstructural homogenization. The research may shed light on the potential development and application of rare earth-based counterpart magnets.

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Magnetic Properties, Phase Transition Temperatures, Intergranular Exchange Interactions and Microstructure of Ta-Doped Nd-Ce-Fe-B Nano ribbons

Rehman

Song

Jiang

et al. 2019

J Supercond Nov Magn

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Special microstructure evolution and enhanced magnetic properties of Ce-Fe-B-based spark plasma sintered magnets with core-shell structure by NdCu addition

Cited by 29 publications

References 24 publications

Nd2Fe14B permanent magnets substituted with non-critical light rare earth elements (Ce, La): A review

Nd2Fe14B permanent magnets substituted with non-critical light rare earth elements (Ce, La): A review

Uneven Evolution of Microstructure, Magnetic Properties and Coercivity Mechanism of Mo-Substituted Nd–Ce–Fe–B Alloys

Magnetic Properties, Phase Transition Temperatures, Intergranular Exchange Interactions and Microstructure of Ta-Doped Nd-Ce-Fe-B Nano ribbons

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