Study on Microstructure and Coercivity of Thermally Processed Nd-Fe-B–type HDDR Material

K. M. Kim ,  M. S. Kang ,  H. W. Kwon 외 4명

Journal of Magnetics

2018 .06

Coercivity improvement in Nd-Cu infiltrated Nd-Fe-B hot-deformed magnets by controlling microstructure of initial HDDR powders

Jae-Gyeong Yoo ,  Tae-Hoon Kim ,  Hee-Ryoung Cha 외 2명

한국자기학회 학술연구발표회 논문개요집

2021 .07

Coercivity improvement of Nd-Cu infiltrated Nd-Fe-B hot-deformed magnets by microstructure modification of initial HDDR powders

Jae-Gyeong Yoo ,  Hee-Ryoung Cha ,  Tae-Hoon Kim 외 2명

한국자기학회 학술연구발표회 논문개요집

2020 .11

Effects of constituent phases and microstructural characteristics on magnetic properties of anisotropic hot-deformed magnets produced by (Nd_1-xCe_x)-Fe-B HDDR powders

Jae-Gyeong Yoo ,  Tae-Hoon Kim ,  Hee-Ryoung Cha 외 2명

한국자기학회 학술연구발표회 논문개요집

2023 .05

Effect of Initial Alloy on Coercivity Enhancement of Hot-deformed Magnet using Nd-Fe-B HDDR Powder

Jae-Gyeong Yoo ,  Hee-Ryoung Cha ,  Youn-Kyoung Baek 외 3명

한국자기학회 학술연구발표회 논문개요집

2019 .11

Coercivity of Nd-Fe-B-type Fine Particles Prepared from Different Precursor Materials

K. M. Kim ,  H. W. Kwon ,  J. G. Lee 외 1명

Journal of Magnetics

2015 .03

Effects of initial Nd-Fe-B HDDR powders’ microstructure on the microstructure and magnetic properties of hot-deformed magnet

Jae-Gyeong Yoo ,  Hee-Ryoung Cha ,  Yang-Do Kim 외 1명

한국자기학회 학술연구발표회 논문개요집

2020 .07

High Coercive RE-Fe-B Powders Recycled via HD and HDDR Process from Waste Magnets

Tae-Sung Noh ,  Hee-Ryoung Cha ,  Yang-Do Kim 외 1명

Journal of Magnetics

2022 .06

Texture Memory Mechanism in HDDR processed Nd-Fe-B magnets

Tae-Hoon Kim

한국자기학회 학술연구발표회 논문개요집

2023 .05

Design of high-remanence Nd-Fe-B hot-pressed magnets by manipulating coercivity of anisotropic HDDR precursors

Jae-Gyeong Yoo ,  Tae-Hoon Kim ,  Hee-Ryoung Cha 외 2명

한국자기학회 학술연구발표회 논문개요집

2024 .05

Sm-Fe계 HDDR 분말의 결정구조에 따른 자기특성과 질화 거동

노태성 ,  차희령 ,  김태훈 외 2명

한국자기학회 학술연구발표회 논문개요집

2020 .11

수소파쇄 제어를 통한 HDDR 처리한 Nd-Fe-B계 재료의 보자력 재현성 향상

김경민 ,  김자영 ,  권해웅 외 2명

한국자기학회지

2015 .08

Effect of initial alloy on hot-deformation behavior of Nd-Fe-B HDDR powder

Jae-Gyeong Yoo ,  Hee-Ryoung Cha ,  Kwang-Won Jeon 외 4명

한국자기학회 학술연구발표회 논문개요집

2017 .11

AEM study on the texture development mechanism in HDDR processed Nd-Fe-B magnets

김태훈 ,  양철웅

한국자기학회 학술연구발표회 논문개요집

2016 .05

Nd-Fe-B계 폐자석을 이용한 이방성 HDDR 분말 제조

노태성 ,  차희령 ,  김양도 외 1명

한국자기학회 학술연구발표회 논문개요집

2020 .07

The development of ultra-fine anisotropic magnetic material by HDDR process

H. R. Cha ,  J. H. Yu ,  H. W. Kwon 외 2명

한국자기학회 학술연구발표회 논문개요집

2015 .11

Anisotropic Nd-Fe-B magnet produced by hot-deformation of iso HDDR powder

유재경 ,  차희령 ,  이동윤 외 1명

한국자기학회 학술연구발표회 논문개요집

2017 .05

Coercivity Mechanism for Nd-Fe-B Sintered Magnets and Ferrite Magnets Derived from the Relation Between the Alignment Dependence of Coercivity and the Angular Dependence of Coercivity

Yutaka Matsuu ,  a

한국자기학회 학술연구발표회 논문개요집

2018 .11

Effect of post-annealing on the coercivity and microstructure of (Nd, Ce) -Fe-B hot-deformed magnet

Ga-Yeong Kim ,  Hee-Ryoung Cha ,  Dong-Hwan Kim 외 2명

한국자기학회 학술연구발표회 논문개요집

2020 .07

Thermal Stability and Soft Magnetic Properties of Novel Low-Coercivity Fe-B-Ce-La Alloys

Youngsin Choi ,  Do-Hun Kwon ,  Min-Woo Lee 외 2명

Journal of Magnetics

2024 .09