Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Weikai Lei"'
Autor:
Qingzheng Jiang, Weikai Lei, Qingwen Zeng, Qichen Quan, Lili Zhang, Renhui Liu, Xianjun Hu, Lunke He, Zhiqi Qi, Zhihua Ju, Minglong Zhong, Shengcan Ma, Zhenchen Zhong
Publikováno v:
AIP Advances, Vol 8, Iss 5, Pp 056203-056203-5 (2018)
Nd2Fe14B-type permanent magnets have been widely applied in various fields such as wind power, voice coil motors, and medical instruments. The large temperature dependence of coercivity, however, limits their further applications. We have systematica
Externí odkaz:
https://doaj.org/article/341f0147b9774c3282e48e3056759e28
Autor:
Qingzheng Jiang, Minglong Zhong, Weikai Lei, Qingwen Zeng, Yongfeng Hu, Qichen Quan, Yaping Xu, Xianjun Hu, Lili Zhang, Renhui Liu, Shengcan Ma, Zhenchen Zhong
Publikováno v:
AIP Advances, Vol 7, Iss 8, Pp 085013-085013-5 (2017)
The Ce17Fe78-xB6Gax (x=0-1.0) ribbons were fabricated by a melt-spinning technique in order to study the mechanism of the valence variation of Ce and their magnetic properties as well as improve the thermal stability of Ce-based rare earth permanent
Externí odkaz:
https://doaj.org/article/c8b6848213a0499e81c9cb2f4cc544dc
Autor:
Xie Canrong, Shen Quan, Pan Chen, Shifan Qiao, Weikai Lei, Gonghui Wang, Shangning Tao, Zain Maqsood, Guoxiong Mei, Hongyuan Dong, Jiren Xie, Jiapeng Liu, Taro Uchimura
Publikováno v:
Landslides. 17:301-312
In recent decades, early warning systems using tilt sensors to predict the occurrence of landslides have been developed and employed in slope monitoring due to the simple installation and low cost of these systems. However, few studies were carried o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87a75ccc0dba145db2717e9c1a36031b
https://doi.org/10.1007/s10346-019-01283-8
https://doi.org/10.1007/s10346-019-01283-8
Autor:
Qingwen Zeng, Shengcan Ma, Zhenchen Zhong, Lili Zhang, Lunke He, Xianjun Hu, Renhui Liu, Qingzheng Jiang, Weikai Lei, Sajjad Ur Rehman
Publikováno v:
IEEE Transactions on Magnetics. 55:1-6
Nanocrystalline Ce–Fe–B based rare earth permanent magnets are prepared by spark plasma sintering (SPS) method using grounded ribbons as raw material. The phase compositions, microstructure, magnetic properties, intergranular magnetic interaction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a463547bbfa2db8e0a1ef06bfb2b1438
https://doi.org/10.1109/tmag.2019.2918743
https://doi.org/10.1109/tmag.2019.2918743
Autor:
Shengcan Ma, Lunke He, Jiajie Li, Zhenchen Zhong, Lili Zhang, Weikai Lei, Qingzheng Jiang, Sajjad Ur Rehman, Qingwen Zeng, Renhui Liu
Publikováno v:
Journal of Magnetism and Magnetic Materials. 475:746-753
Ce-Fe-B spark plasma sintered (SPSed) magnets prepared with different ratio of alloys of Ce-Fe-B and Pr-Nd-Fe-B by dual alloy method are investigated in this paper. As expected, the remanent magnetization Jr, coercivity Hci and maximum energy product
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f16bc33fbee6ae0a753688db2ac00bb8
https://doi.org/10.1016/j.jmmm.2018.12.041
https://doi.org/10.1016/j.jmmm.2018.12.041
Autor:
Zhenchen Zhong, Sajjad Ur Rehman, Lili Zhang, Lei Wang, Renhui Liu, Qingwen Zeng, Qichen Quan, Qingzheng Jiang, Lunke He, Xianjun Hu, Weikai Lei
Publikováno v:
Journal of Magnetism and Magnetic Materials. 474:305-310
In this paper Hf doped (Nd0.8Ce0.2)13Fe82−xB5Hfx (x = 0, 0.5, 1.0, 2.0, 3.0) ribbons were fabricated by melt-spinning technique, and their microstructure, magnetic properties and coercivity mechanism have been investigated methodically. It is found
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::748e51eaad080cded50de31d11276a60
https://doi.org/10.1016/j.jmmm.2018.11.046
https://doi.org/10.1016/j.jmmm.2018.11.046
Autor:
Zhenchen Zhong, Shengcan Ma, Sajjad Ur Rehman, Qingzheng Jiang, Renhui Liu, Qingwen Zeng, Weikai Lei, Lunke He, Lili Zhang
Publikováno v:
Journal of Alloys and Compounds. 775:449-456
Ce-Fe-B-based rare earth permanent magnets are prepared by spark plasma sintering (SPS) technique, and low melting NdCu alloy is added to improve its magnetic properties and thermal stabilities. The X-ray diffraction (XRD) result indicates that the l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0afc0ea84352b0c8fa3c2ed61e97b9aa
https://doi.org/10.1016/j.jallcom.2018.10.114
https://doi.org/10.1016/j.jallcom.2018.10.114
Autor:
Mahpara Ghazanfar, Kai Liu, Tahir Ahmad, Renhui Liu, Shengcan Ma, Sajjad Ur Rehman, Zhenchen Zhong, Weikai Lei, Qingzheng Jiang, Liangliang Zeng
Publikováno v:
Physica B: Condensed Matter. 552:136-141
There is a close relationship between the magnetic properties of alnico permanent magnetic alloys and the nano-scaled spinodally decomposed structure which results from various heat treatment cycles. In this paper, different heat treatment cycles are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d62593f51bea61699bb3305df9fa2a9
https://doi.org/10.1016/j.physb.2018.10.007
https://doi.org/10.1016/j.physb.2018.10.007
Autor:
Sajjad Ur Rehman, Mahpara Ghazanfar, Tahir Ahmad, Weikai Lei, Minglong Zhong, Qingzheng Jiang, Liangliang Zeng, Saif Ullah Awan, Qiulan Tan, Zhenchen Zhong
Publikováno v:
Journal of Physics and Chemistry of Solids. 124:261-265
The purpose of this paper is to explore Dy-free Nd-Fe-B magnetic alloys which could be developed into Dy-free permanent magnets operating at high temperatures. Nd13.5Fe80.5-xB6Tax (x = 0.0–1.2) alloys have been fabricated by melt spinning technique
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18cd0644965ceadda6670329a28f6cae
https://doi.org/10.1016/j.jpcs.2018.09.031
https://doi.org/10.1016/j.jpcs.2018.09.031
Autor:
Zhenchen Zhong, Xianjun Hu, Qingzheng Jiang, Lunke He, Weikai Lei, Saif Ullah Awan, Sajjad Ur Rehman, Mahpara Ghazanfar, Shengcan Ma
Publikováno v:
Journal of Magnetism and Magnetic Materials. 466:277-282
Reducing the spatial dimension of ferromagnetic (α1) phase is the most promising route for coercivity enhancement of alnico alloys. It is an experimental fact that the spatial dimension of α1 phase cannot be reduced below a certain limit (∼25 nm)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09b9430a99e82fcf0880195dee70d723
https://doi.org/10.1016/j.jmmm.2018.07.020
https://doi.org/10.1016/j.jmmm.2018.07.020