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PERMANENT_MAGNET: 作品数：169被引量：263H指数：7; 导出分析报告; 相关作者：刘恒川黄允凯林鹤云房淑华邢丰更多>>; 相关机构：清华大学东南大学哈尔滨工业大学国防科学技术大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

Stable geometries and magnetic properties in transition-metaldoped Sm_(5)Co_(19) permanent magnet alloys:Insights from DFT: 《Science China(Physics,Mechanics & Astronomy)》2025年第4期219-227,共9页Cheng Fang Zhi Yan Xu-Jin Zhang Jian-Hua Xiao Fang Wang Xiao-Hong Xu; supported by the National Key R&D Program of China(Grant No.2022YFB3505301);the Key R&D Program of Shanxi Province(Grant No.202302050201014);the National Natural Science Foundation of China(Grant No.12304148);the Natural Science Basic Research Program of Shanxi Province(Grant No.202203021222219);the China Postdoctoral Science Foundation(Grant No.2023M731452)。; Sm_(5)Co_(19) permanent magnet alloy holds significant potential for applications due to its ultra-high intrinsic coercivity,low temperature coefficient of coercivity and high Curie temperature.However,its metastable ...; 关键词：element doping structural stability magnetic properties first-principles calculation Sm5Co19permanent magnet alloys

Great influence of demagnetization history on internal interaction and magnetization process of mischmetal-based magnets: 《Science China(Physics,Mechanics & Astronomy)》2025年第2期183-192,共10页Dan Liu Jiefu Xiong Lichen Wang Xinqi Zheng Xin Ming Jiaying Jin Jiazheng Hao He Bai Zhenxing Li Tongyun Zhao Fengxia Hu Jirong Sun Jun Shen Baogen Shen; supported by the National Natural Science Foundation of China(Grant No.52371169);the National Natural Science Foundation of China(Grant Nos.52088101,52001012,12204268,and 92263202);the National Key R&D Program of China(Grant No.2023YFA1610400);the“Leading Goose”R&D Program of Zhejiang Province(Grant No.2022C01110);the Challenge-led projects of China Rare Earth Group(Grant No.ZXKCJBGS-202405-06);the Young Elite Scientists Sponsorship Program by CAST(Grant No.YESS20230329);the Young Elite Scientists Sponsorship Program by BAST(Grant No.BYESS2023302);the National Key R&D Program of China(Grant Nos.2021YFB3501202,2022YFB3505201,and 2019YFA0704900);the Strategic Priority Research Program B of Chinese Academy of Sciences(Grant No.XDB33030200)。; The magnetization process and corresponding magnetization curve are usually used to analyze the coercivity mechanism of NdFe-B based sintered magnet.However,different demagnetization histories will seriously influence...; 关键词：permanent magnet demagnetization history magnetization reversal misch-metal rare earth

Open Winding-permanent Magnet/Magnet Reluctance Hybrid Rotor Double Stator Synchronous Motor SVPWM Control: 《CES Transactions on Electrical Machines and Systems》2024年第4期426-435,共10页Yufeng Pang Shi Jin Wuhen Jin Siyang Yu; supported in part by the National Natural Science Foundation of China under Grant U22A20215 and 51877139;Applied Basic Research Program of Liaoning Province under Grant 2023JH2/101300219。; Coal mine conveyor belt and other low-speed large torque system,the torque density and torque stability of the motor requirements are higher,permanent magnet/magnet reluctance hybrid rotor double stator synchronous mo...; 关键词：SVPWM Dual stator motor Hybrid rotor Open winding motor

Study on the Effect of Magnetic Pole Clipping Angle on the Eddy Current Loss of Permanent Magnets in the Rotor of Magnetically Levitated Permanent Magnet Synchronous High-Speed Electric Spindles: 《Open Journal of Applied Sciences》2024年第11期3261-3281,共21页Xiangjun Shen Houcai Liu Huimin Kang Ruirong He Jiale Xi; Aiming at the problem of high temperature and even demagnetization failure of permanent magnet (PM) due to PM eddy current loss in PM synchronous high-speed motors, this paper proposes a technique to lessen PM eddy cu...; 关键词：Magnetic Pole Clipping Permanent Magnet (PM) Eddy Current Loss Temperature Field Two-Dimensional Time-Stepped Finite Element Method (FEM)

A high torque dual 3-phase permanent magnet vernier machine with strong fault-tolerance: 《Science China(Technological Sciences)》2024年第10期3275-3284,共10页XU YuWen WANG Bo WANG RongXin CHENG Ming HUA Wei; supported by the National Natural Science Foundation of China(Grant Nos.51991382 and 52277035);the Fundamental Research Funds for the Central Universities(Grant No.2242024K40032).; The field modulation effect has been proposed and investigated in various electric machine topologies.Among them,permanent magnet vernier machines(PMVMs)have attained intensive research due to the high torque density ...; 关键词：fault-tolerant capability segregated windings field modulation permanent magnet vernier machine

Coercivity mechanism of high-performance anisotropic heterostructure SmCo_(5)magnets: 《Journal of Rare Earths》2024年第10期1882-1888,共7页Yuan Teng Yuqing Li Weiqiang Liu Xiaochang Xu Zhanjia Wang Jianjun Yang Dongtao Zhang Hongguo Zhang Qingmei Lu Qiong Wu Weixing Xia Ming Yue; Project supported by the National Key Research and Development Program of China(2021YFB3500300);the National Natural Science Foundation of China(51931007,51871005,52201212,52271161);General Program of Science and Technology Development Project of Beijing Municipal Education Commission of China(KM201710005006);the Program of Top Disciplines Construction in Beijing(PXM2019_014204_500031)。; Due to its large magnetocrystalline anisotropy field and high Curie temperature,SmCo-based magnets are irreplaceable in high-temperature applications,The hot-deformed SmCo-based magnets are especially attractive for t...; 关键词：Permanent magnet HETEROSTRUCTURE Rare earths Coercivity mechanism Hot-deformed SmCo magnet

Effect of antioxidants on the efficiency of jet milling and the powder characteristics of Sm2Co17 permanent magnets: 《Chinese Physics B》2024年第9期615-620,共6页Da-Shuai Xu Lei Liu Jian-Hui Yuan Bo Zhou Chuang-Hui Dong Feng-Qing Wang Yong Ding Ying-Li Sun A-Ru Yan; the National Key R&D Program of China(Grant No.2021YFB3803003);the Youth Innova-tion Promotion Association of Chinese Academy of Sciences(Grant No.2023311);Zhejiang Public Welfare Technology Application Research Project(Grant No.LGG22E010013);Class III Peak Discipline of Shanghai-Materials Science and Engineering(High-Energy Beam Intelligent Processing and Green Manufacturing).; This study investigated the effect of antioxidants on the grinding efficiency,magnetic powder characteristics,microstructure,and magnetic properties of 2:17 type SmCo permanent magnet materials.The results show that a...; 关键词：ANTIOXIDANT SmCo permanent magnet oxidation resistance grinding efficiency

High-performance anisotropic SmCo-based magnet with novel microstructure: 《Journal of Rare Earths》2024年第8期1539-1545,I0005,共8页Yingchang Li Zicao Xing Nengjun Yu Zesong Ren Minxiang Pan Qiong Wu Hongliang Ge Minggang Zhu Wei Li; supported by the National Key R&D Program of China(2021YFB3501600);the Young Elite Scientists Sponsorship Program by CAST(2022QNRC001);the Key R&D Program of Zhejiang Province(2021C01191,2021C01190,2023C01077)。; A novel micro structure of magnetically anisotropic Sm Co-based magnet with high-performance is reported.The magnet consists of SmCo_(7)-H(TbCu_(7)-hexagonal type),Sm_(2)Co_(17)-H(Th_(2)Ni_(17)-hexagonal type)and SmCo...; 关键词：Rare earths Permanent magnet Composite magnet MELT-SPINNING MICROSTRUCTURE

Winding Function Model-based Performance Evaluation of a PM Transverse Flux Generator for Applications in Direct-drive Systems: 《CES Transactions on Electrical Machines and Systems》2024年第2期216-226,共11页Mehrage Ghods Jawad Faiz Ali A Pourmoosa; The magnetic flux in a permanent magnet transverse flux generator(PMTFG) is three-dimensional(3D), therefore, its efficacy is evaluated using 3D magnetic field analysis. Although the 3D finite-element method(FEM) is h...; 关键词：Index Terms—Permanent magnet transverse flux generator Winding function 3D-FEM Cogging torque PROTOTYPING

Modeling and Validation of Diamagnetic Rotor Levitated by Permanent Magnetics: 《Chinese Journal of Mechanical Engineering》2024年第3期224-235,共12页Yuanping Xu Yue Zhang Jin Zhou Chaowu Jin; Supported by National Natural Science Foundation of China (Grant No.52275537);Nanjing Major Scientific and Technological Project of China (Grant No.202209011)。; As an innovative,low-power consuming,and low-stiffness suspension approach,the diamagnetic levitation technique has attracted considerable interest because of its potential applicability in miniaturized mechanical sys...; 关键词：Diamagnetic levitation Magnetic levitation ROTOR MODELING VALIDATION STABILITY

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