Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Hui-Dong Qian"'
Autor:
Hui-Dong Qian, Jung Tae Lim, Jong-Woo Kim, Yang Yang, Tian Hong Zhou, Su yeon An, Han Kook Jeon, Kyung Mox Cho, Jihoon Park, Chul-Jin Choi
Publikováno v:
Journal of Materials Research and Technology, Vol 16, Iss , Pp 1458-1465 (2022)
Si-doped Fe-rich compounds, i.e., Sm(Fe0.8Co0.2)11Ti + Six (x = 0, 0.5, and 1.0), with ThMn12-type structure in forms of ribbons and bulks were fabricated using melt-spinning process and high pressure pressing and heat treatment processes. Physical a
Externí odkaz:
https://doaj.org/article/69f7217669cc4405b2cdfebdcda8508f
Autor:
Hui-Dong Qian, Jung Tae Lim, Jong-Woo Kim, Yang Yang, Tian Hong Zhou, Han Kook Jeon, Jihoon Park, Chul-Jin Choi
Publikováno v:
Metals, Vol 12, Iss 5, p 753 (2022)
The magnetic properties of ThMn12-type Fe-rich compounds were investigated by producing Sm(Fe0.8Co0.2)10Si2 ribbons. The produced ribbons, with different conditions by varying the melt-spinning conditions, were characterized to investigate physical a
Externí odkaz:
https://doaj.org/article/f8ad6576eacc4eccaa8162467411b69d
Autor:
Hui-Dong Qian, Jihoon Park, Jung Tae Lim, Yang Yang, Ping-Zhan Si, Jong-Woo Kim, Chul-Jin Choi, Kyung Mox Cho
Publikováno v:
AIP Advances, Vol 9, Iss 11, Pp 115213-115213-5 (2019)
Nonmagnetic phase assisted low temperature phase MnBi bulk magnetic materials, i.e., MnBi/NaCl and MnBi/C magnets, were fabricated by hot pressing mixtures of MnBi and NaCl or C powders. The effects of nonmagnetic NaCl or C on the magnetic and physic
Externí odkaz:
https://doaj.org/article/ba744bc717994220810a806a07001fb0
Publikováno v:
Nanomaterials, Vol 10, Iss 11, p 2265 (2020)
Rare-earth-free permanent magnets have attracted considerable attention due to their favorable properties and applicability for cost-effective, high-efficiency, and sustainable energy devices. However, the magnetic field annealing process, which enha
Externí odkaz:
https://doaj.org/article/eb3018f8f8ca452e84ff0b57b83f5771
Publikováno v:
AIP Advances, Vol 8, Iss 5, Pp 056216-056216-5 (2018)
The effects of elemental doping of Si and Fe on the ε→τ phase transformation and the magnetic properties of MnAl were studied. The magnetic powders of Si- and Fe-doped MnAl were prepared by using induction melting followed by water-quenching, ann
Externí odkaz:
https://doaj.org/article/dbd24933a1c74f428bc3ccf8c00732ed
Autor:
Ping-Zhan Si, Xin-You Wang, Hong-Liang Ge, Hui-Dong Qian, Jihoon Park, Yang Yang, Yin-Sheng Li, Chul-Jin Choi
Publikováno v:
Nanomaterials, Vol 8, Iss 12, p 1056 (2018)
The magnetization of most materials decreases with increasing temperature due to thermal deterioration of magnetic ordering. Here, we show that Mn4C phase can compensate the magnetization loss due to thermal agitation. The Mn⁻C nanoparticles contai
Externí odkaz:
https://doaj.org/article/daea2f61d2af480ab934e91f0c3667f9
Autor:
Shaohua Fan, Fanggui Wang, Yuan-hua Xia, Baochun Wu, Hui-Dong Qian, Zhongchong Lin, Yuankang Wang, Honglin Du, Jinbo Yang, Ying Chang Yang
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e60d3271c124d87302b2d2a6522d45b
https://doi.org/10.2139/ssrn.4419920
https://doi.org/10.2139/ssrn.4419920
Autor:
Kyung Mox Cho, Chul-Jin Choi, Yang Yang, Jung Tae Lim, Jong-Woo Kim, Hui-Dong Qian, Jihoon Park
Publikováno v:
Scripta Materialia. 193:17-21
High density sintered Sm(Fe0.8Co0.2)11Ti bulk magnets were successfully produced using a newly developed high pressure pressing fabrication method. The purity of the hard magnetic ThMn12 phase in the bulk magnet reached to higher than 97 wt.%. The ph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8aadf4ac579e97260ab1fc92079448a1
https://doi.org/10.1016/j.scriptamat.2020.10.030
https://doi.org/10.1016/j.scriptamat.2020.10.030
Publikováno v:
Journal of the Korean Magnetics Society. 30:80-84
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b22a941ae85c5691b04963f90444d0e
https://doi.org/10.4283/jkms.2020.30.3.080
https://doi.org/10.4283/jkms.2020.30.3.080
Crystal Structure and Magnetic Properties of Fe-rich Sm(Fe0.8Co0.2)11Ti Permanent Magnetic Materials
Publikováno v:
Journal of the Korean Physical Society. 74:1146-1150
The Sm(Fe0.8Co0.2)11Ti were prepared by using arc-melting and melt spinning methods, and their crystallographic and magnetic properties were analyzed by using XRD, VSM, and Mossbauer spectrometer. From the refined XRD patterns, Sm(Fe0.8Co0.2)11Ti sam
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::286c9bdf1df0ab8ebc7e3d60112bf837
https://doi.org/10.3938/jkps.74.1146
https://doi.org/10.3938/jkps.74.1146