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（钐，锆）（铁，钴）磁体的生产。

Production of (Sm,Zr)(Fe,Co) magnets.

作者信息

Saito Tetsuji

机构信息

Department of Advanced Materials Science and Engineering, Chiba Institute of Technology, Narashino, Chiba 275-8588, Japan.

出版信息

Heliyon. 2022 Jun 2;8(6):e09612. doi: 10.1016/j.heliyon.2022.e09612. eCollection 2022 Jun.

DOI:10.1016/j.heliyon.2022.e09612
PMID:35711986
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9192805/
Abstract

This study was aimed at the improvement of SmFe-based alloys prepared by means of melt-spinning. A systematic study was carried out on (SmZr)(FeCo) (x = 0-0.4) alloys melt-spun at a wheel speed of 50 m/s and annealed at 773-1173 K. SmFe-based melt-spun ribbons with a rhombohedral structure were prepared from the (SmZr) (FeCo) (x = 0-0.4) alloys. The addition of zirconium increased the coercivity and enhanced the remanence of the melt-spun ribbons. However, the Curie temperature slightly decreased with increasing zirconium content. The optimally annealed alloys, with a composition of (SmZr) (FeCo), achieved a coercivity of 7.8 kOe, a remanence of 6.0 kG, and a Curie temperature of 680K.

摘要

本研究旨在改进通过熔体纺丝制备的钐铁基合金。对在50米/秒的线速度下进行熔体纺丝并在773 - 1173K下退火的(SmZr)(FeCo)（x = 0 - 0.4）合金进行了系统研究。由(SmZr)(FeCo)（x = 0 - 0.4）合金制备出了具有菱面体结构的钐铁基熔体纺丝带材。锆的添加提高了熔体纺丝带材的矫顽力并增强了剩磁。然而，居里温度随锆含量的增加略有降低。成分是(SmZr)(FeCo)的最佳退火合金实现了7.8千奥斯特的矫顽力、6.0千高斯的剩磁以及680K的居里温度。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a5b/9192805/e68636e65225/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a5b/9192805/1f8faa6bafd9/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a5b/9192805/bd7e16235326/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a5b/9192805/f6fa755191e1/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a5b/9192805/2c18b206a20a/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a5b/9192805/c06a3e3d58df/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a5b/9192805/1b3e00bd8420/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a5b/9192805/e68636e65225/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a5b/9192805/1f8faa6bafd9/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a5b/9192805/bd7e16235326/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a5b/9192805/f6fa755191e1/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a5b/9192805/2c18b206a20a/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a5b/9192805/c06a3e3d58df/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a5b/9192805/1b3e00bd8420/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5a5b/9192805/e68636e65225/gr7.jpg

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Adv Mater. 2021 Sep;33(36):e2102800. doi: 10.1002/adma.202102800. Epub 2021 Jul 26.
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评估稀土元素的可用性：来自清洁技术的革命性需求案例。
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