Zobrazeno 1 - 10
of 327
pro vyhledávání: '"Aru Yan"'
Improvement of thermal stability by co-introducing Dy and Co with dual-alloy method in NdFeB magnets
Autor:
Xintong Yang, Shuai Cao, Yuhao Li, Zhi Jia, Yuheng Xie, Zhiwei Xiong, Shuangyu Zheng, Guangfei Ding, Shuai Guo, Renjie Chen, Aru Yan
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 6619-6629 (2024)
A dual-main-phase magnet with excellent thermal stability was prepared by co-mixing two types of magnetic powders, which was the conventional N55-grade powder without Dy elements, while the Co and Dy contents reached 50 wt% and 6 wt% respectively in
Externí odkaz:
https://doaj.org/article/a8fd414311b742faa7ae852e4535fd79
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 451-460 (2024)
Sm-Fe-N material holds immense promise as new material for developing next generation permanent magnets. However, the achievement of high coercivity in this material remains a big challenge, and moreover new coercivity theories beyond the commonly co
Externí odkaz:
https://doaj.org/article/b2141b47cb4d456fabac6ab7dbda577d
Autor:
Zhihe Zhao, Jiangtao Zhao, Mingkun Wang, Yingli Sun, Weixing Xia, Zhenlong Chao, Shushuang Li, Renjie Chen, Aru Yan, Longtao Jiang
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 4340-4348 (2023)
The multi-step magnetization behavior caused by a variety of microstructures is common in magnetic materials. The study of the effect of heterogeneous structure magnetization behavior on magnetic viscosity provides extensive guidance for the long-ter
Externí odkaz:
https://doaj.org/article/df55c9b231f2400a84ed4a5affcaf752
Autor:
Zhi Jia, Mingpeng Kou, Yuhao Li, Shuai Cao, Guangfei Ding, Shuai Guo, Xiaodong Fan, Chaoqun Zhu, Renjie Chen, Aru Yan
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 4500-4509 (2023)
The (NdLaCeY)-Fe-B magnets with 45–50 wt% high-abundance rare earth substitution were systematically investigated by co-mixing high boron content matrix phase and Pr–Fe alloy powders (0, 1, 3, 5, 7, and 9 wt%) during the preparation process. The
Externí odkaz:
https://doaj.org/article/ad3ad03440694e388a1dcde470fb6700
Autor:
Mingpeng Kou, Zhi Jia, Guangfei Ding, Shuai Cao, Xintong Yang, Yuhao Li, Xiaodong Fan, Bo Zheng, Renjie Chen, Shuai Guo, Aru Yan
Publikováno v:
Results in Physics, Vol 48, Iss , Pp 106417- (2023)
The magnetically hardened shells constructed by the spontaneous core–shell structure due to the enrichment of Y in the core region of (Y/RE)-Fe-B facilitate the enhancement of coercivity. In this work, we systematically compared the metallurgical b
Externí odkaz:
https://doaj.org/article/d4b6b7d5fa2b4911a2dc06387cb0deac
Autor:
Zhi Jia, Mingpeng Kou, Shuai Cao, Xintong Yang, Guangfei Ding, Shuai Guo, Xiaodong Fan, Bo Zheng, Renjie Chen, Aru Yan
Publikováno v:
Results in Physics, Vol 40, Iss , Pp 105829- (2022)
The magnetic properties and microstructure of Nd-Ce-Y-Fe-B magnets with Nd-Co boundary additions (0, 1, 3, and 5 wt%) have been systematically investigated. The coercivity, remanence, and Curie temperature of the magnets showed to be all simultaneous
Externí odkaz:
https://doaj.org/article/47d5289a417142f59fad1a5a889f0e86
Publikováno v:
Materials, Vol 16, Iss 13, p 4789 (2023)
High-performance Nd-Fe-B-based rare-earth permanent magnets play a crucial role in the application of traction motors equipped in new energy automobiles. In particular, the anisotropic hot-deformed (HD) Nd-Fe-B magnets prepared by the hot-press and h
Externí odkaz:
https://doaj.org/article/1bedf1299c30490f9994cdfd751f9394
Publikováno v:
Materials, Vol 15, Iss 17, p 5964 (2022)
Using the heavy rare earth Dy element to improve coercivity is the most common solution for hindering the reduction in magnetic properties in the Nd–Fe–B magnet, and the effective utilization of Dy has become the focus of research in industrial s
Externí odkaz:
https://doaj.org/article/90b3cb6d0e0147c18e8962ac7b245eba
Publikováno v:
Materials, Vol 15, Iss 14, p 4987 (2022)
The grain boundary diffusion process (GBDP) of heavy rare earth Tb is an effective method to improve the coercivity of Nd-Fe-B magnets, and the matrix grain size has a crucial effect on the diffusion efficiency and depth of the Tb element. In this wo
Externí odkaz:
https://doaj.org/article/db79bb7b22b54ad19357511dcd7192b0
Publikováno v:
Materials, Vol 15, Iss 15, p 5160 (2022)
In this study, the effects of Y2O3 addition on the magnetic properties, microstructure and magnetization reversal behavior of Sm(Co0.79Fe0.09Cu0.09Zr0.03)7.68 magnet were investigated. By addition of Y2O3, the coercivity was increased from 21.34 kOe
Externí odkaz:
https://doaj.org/article/2da4f9e70f8b4fcf868f10883489689c