Rationally selecting the chemical composition of the Nd–Fe–B magnet for high-efficiency grain boundary diffusion of heavy rare earths-Reference-Cited by-同舟云学术

Rationally selecting the chemical composition of the Nd–Fe–B magnet for high-efficiency grain boundary diffusion of heavy rare earths

Published:2022 Issue:6 Volume:10 Page:2080-2088
ISSN:2050-7526
Container-title:Journal of Materials Chemistry C
language:en
Short-container-title:J. Mater. Chem. C

Author:

He Jiayi¹,Yu Zhigao¹,Cao Jiali¹,Song Wenyue¹,Xu Ke¹,Fan Wenbing¹,Yu Hongya¹,Zhong Xichun¹,Mao Huayun²,Mao Congyao²,Liu Zhongwu¹^ORCID

Affiliation:

1. School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China

2. JL MAG Rare-Earth Co., Ltd, Ganzhou 341000, China

Abstract

Higher diffusion efficiency of Tb was found in Nd–Fe–B than in Pr–Nd–Fe–B sintered magnets. This is because the reactive Pr brings more intergranular oxides, which blocks the diffusion channel for Tb and consumes Tb at the triple-junction phase.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2022/TC/D1TC05469D

Reference49 articles.

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