Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Youhao Liu"'
Autor:
Ming Ji, Weiqiang Liu, Zhanjia Wang, Haihui Wu, Ruihua Du, Yuqing Li, Dongtao Zhang, Xiaofei Yi, Youhao Liu, Shanshun Zha, Yue Ming
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 3068-3075 (2024)
In this study, we aimed to enhance the quality of electrophoretic deposition (EPD) coatings for Nd-Fe-B grain boundary diffusion (GBD) by addressing issues related to the adhesion and densification of coating. We introduced a novel approach by incorp
Externí odkaz:
https://doaj.org/article/45d2407f444c42e3ad163e1dee777a21
Autor:
Haihui Wu, Weiqiang Liu, Zhanjia Wang, Ming Ji, RuiHua Du, Yuqing Li, Dongtao Zhang, Ming Yue, Xiaofei Yi, Youhao Liu, Shanshun Zha
Publikováno v:
AIP Advances, Vol 14, Iss 1, Pp 015310-015310-6 (2024)
In this study, new grain boundary diffusion (GBD) technology is applied to Nd-Fe-B sintered magnets with different thicknesses utilizing DyH3 nanopowder. The weight ratio is 0.25 wt.%. For comparison, the GBD processes include solid-liquid phase sepa
Externí odkaz:
https://doaj.org/article/9000109165e84accb2965a23a5290fe1
Autor:
Jingwu Zheng, Shijun Tian, Kaihua Liu, Wei Cai, Yiping Tang, Liang Qiao, Yao Ying, Wangchang Li, Jing Yu, Youhao Liu, Shenglei Che
Publikováno v:
AIP Advances, Vol 10, Iss 5, Pp 055119-055119-6 (2020)
A new reduction–diffusion method for preparing submicron-sized Sm2Fe17N3 was developed. First, submicron-sized α-Fe/Sm2O3 composite precursors with good dispersibility were prepared directly by ultrasonic spray pyrolysis and hydrogen reduction (US
Externí odkaz:
https://doaj.org/article/551227dc51d74d14b5497fd18d0d3825
Publikováno v:
Journal of Rare Earths. 40:1899-1904
To improve the coercivity and temperature stability of Nd-Fe-B sintered magnets for high-temperature applications, the eutectic Tb80Fe20 (wt%) alloy powders were intergranular added into the Nd-Fe-B sintered magnets to enhance the coercivity (Hcj) an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8bfe36d4c8712064fe20e943dc41b3ed
https://doi.org/10.1016/j.jre.2021.09.013
https://doi.org/10.1016/j.jre.2021.09.013
Autor:
Qingmei Lu, Ming Yue, Cong Liying, Haowen Tian, Youhao Liu, Weiqiang Liu, Yunqiao Wang, Xiaofei Yi, Xu Haibo, Jingwu Chen
Publikováno v:
Journal of Rare Earths. 40:1905-1912
The structural and magnetic properties were studied for recycling Nb-Fe-B powders from Nb-Fe-B sintered magnets sludge via reduction diffusion (RD) with calcium hydride (CaH2) particles. For comparison, traditional reducing agent calcium granules wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f195d8ae04a617e1b147beb964cae9fd
https://doi.org/10.1016/j.jre.2021.11.009
https://doi.org/10.1016/j.jre.2021.11.009
Publikováno v:
Journal of Rare Earths. 40:1584-1591
The as-solution-treated Sm2Co17-type magnets exhibiting a single 1:7H phase with different average grain sizes (D) are designed. Anisotropy of bending strength (Rbb) and compressive strength (Rmc) of the magnets was investigated. Moreover, the Rbb in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::921a8a9b46915607b6bd8af150bc47f1
https://doi.org/10.1016/j.jre.2021.07.012
https://doi.org/10.1016/j.jre.2021.07.012
Publikováno v:
Journal of Rare Earths. 40:1091-1097
To produce nanocomposite materials with high magnetic properties, studies concerning on nanostructural processing technologies and control mechanisms are urgently required in aspects of achieving perfect alignment of the hard phase while keeping desi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16cedf240ae7bdb2f0ce938cf1fd70fc
https://doi.org/10.1016/j.jre.2021.08.016
https://doi.org/10.1016/j.jre.2021.08.016
Publikováno v:
Journal of Superconductivity and Novel Magnetism. 35:547-553
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::159214f10f81680a0ce1394106ed8730
https://doi.org/10.1007/s10948-021-06090-8
https://doi.org/10.1007/s10948-021-06090-8
Autor:
Youhao Liu, Chen Jingwu, Pengjie Zhang, Guangqing Xu, Xiaofei Yi, Yucheng Wu, Cao Yujie, Jiaqin Liu
Publikováno v:
Journal of Rare Earths. 39:1409-1414
(Ho,Nd)FeB magnets with different Ho contents were prepared by Ho substitution for part of Nd during the casting process. Effects of Ho contents on the corrosion resistance and mechanical properties of (Ho,Nd)FeB magnets were analyzed by a highly acc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::394ef9bef09bab4f929264326bb82b29
https://doi.org/10.1016/j.jre.2020.08.006
https://doi.org/10.1016/j.jre.2020.08.006
Autor:
Pang Zaisheng, Haiyuan Cui, Ming Yue, Youhao Liu, Xiaofei Yi, Peihong Zhu, Dongtao Zhang, Qingyan Li, Weiqiang Liu, Yu Chunhui, Shanshun Zha, Xi Yu, Qingmei Lu, Min Liu
Publikováno v:
Journal of Rare Earths. 39:1396-1401
The main difficulty for the recovery of Nd-Fe-B bonded magnet wastes is how to completely remove the epoxy resins. In this study, chemical reaction and physical dissolution were combined to remove the epoxy resins by adding ammonia-water and mixed or
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7442e01e9ffdef7a56bdc1d9bf0f788f
https://doi.org/10.1016/j.jre.2021.03.014
https://doi.org/10.1016/j.jre.2021.03.014