Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Hae-woong Kwon"'
Publikováno v:
Journal of the Korean Magnetics Society. 31:249-256
Publikováno v:
Journal of Magnetics. 26:305-310
Autor:
Syed Kamran Haider, Hae-Woong Kwon, Hieu Minh Ngo, Gyutae Lee, Thomi Hawari, Young Soo Kang, Kyungmin Kim, Jongryoul Kim, Umapada Pal
Publikováno v:
RSC Advances. 11:32376-32382
Nd2Fe14B is one of the most popular permanent magnets (PMs) possessing the best energy product (BH)max among the common PM materials.
Publikováno v:
Journal of Magnetics. 25:205-209
Publikováno v:
Journal of Magnetics. 24:616-621
Autor:
Hieu Minh, Ngo, Gyutae, Lee, Syed Kamran, Haider, Umapada, Pal, Thomi, Hawari, Kyung Min, Kim, Jongryoul, Kim, Hae-Woong, Kwon, Young Soo, Kang
Publikováno v:
RSC advances. 11(51)
Nd
Autor:
Dongyun Lee, Hae-Woong Kwon, Dajeong Lee, Seongkyu Park, Hee-Ryoung Cha, Jeehye Kwon, Jung-Goo Lee, Dayoung Yoo
Publikováno v:
Rare Metals. 39:48-54
A grain boundary diffusion process (GBDP) was adopted to improve magnetic properties of Dy-free highly coercive Nd–Fe–B permanent magnet by coating thin layers of Nd and Cu in grain boundaries. For GBDP of Nd and Cu, Nd and Cu were coated by wet
Autor:
Youngkuk Kim, Jung-Goo Lee, Jae-Gyeong Yoo, Hae-Woong Kwon, Jae-Yong Jung, Dongyun Lee, Hee-Ryoung Cha, Youn-Kyoung Baek
Publikováno v:
IEEE Transactions on Magnetics. 54:1-5
High coercive Nd-Fe-B magnets are indispensable materials to traction motors in hybrid and electric vehicles. However, substitution of heavy rare earth element (HRE) such as Dy or Tb for Nd has been necessary for high coercive Nd-Fe-B magnets despite
Autor:
Jae-Gyeong Yoo, Hae-Woong Kwon, Hee-Ryoung Cha, Yangdo Kim, Youn-Kyoung Baek, Donghwan Kim, Jung-Goo Lee, Dongyun Lee
Publikováno v:
JOM. 70:661-665
The grain boundary diffusion (GBD) process with rare-earth hydride was performed to increase the coercivity of hydrogenation–disproportionation–desorption–recombination (HDDR) powder. Before the GBD process, we investigated the effect of post-a
Publikováno v:
Journal of Alloys and Compounds. 732:32-42
Texture development in hydrogenation–disproportionation–desorption–recombination (HDDR)-processed NdFeB magnets is discussed with a focus on the crystallographic alignment of the Nd2Fe14B and Fe2B phases. By careful control of the dynamic HDDR-