REMANENCE

作品数：34被引量：35H指数：3
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Cu-doped nanocomposite Pr_(2)Fe_(14)B/α-Fe ribbons with high(BH)max
《Chinese Physics B》2024年第12期422-429,共8页Mehran Khan Alam Shahzab Raza Chengyong Gao Guangbing Han Shishou Kang 
Project supported by the National Natural Science Foundation of China(Grant Nos.12074220 and 11627805);the National Key Research and Development Program of China(Grant No.2023YFA1406604)。
The melt-spun ribbons of nominal composition Pr_(9)Fe_(84.2-x)B_(6.2)P_(0.3)Zr_(0.3)Cu_(x)(x=0,0.5,1,2)were prepared at wheel speeds of 21 m·s^(-1),27 m·s^(-1),30 m·s^(-1),and 33 m·s^(-1).The XRD patterns show tha...
关键词：Cu addition NANOCOMPOSITE magnetic properties energy product REMANENCE 
Analysis of cerium substitution in Co-Sr based spinel ferrites for high frequency application
《Journal of Rare Earths》2024年第9期1755-1763,I0005,共10页Laura Khudaysh Inas A.Ahmed Syeda Rabia Ejaz Sajjad Ahmad Khan Yasir A.Haleem Mohamed M.Ibrahim Mahmood Ali Hafiz Muhammad Tahir Farid Zeinhom M.El-Bahy 
the Deanship of Scientific Research at King Khalid University for funding this work through the large group research project under grant number (RGP2/82/44)。
Spinel ferrites exhibit exceptional magnetic properties,making them a distinctive class of magnetic materials.The sol-gel technique was utilized for the synthesis of spinel ferrites with the chemical formula Co_(0.6)S...
关键词：Activation energy DC electrical resistance Remanence magnetization Cobalt strontium spinel ferrites High frequency application Rare earths 
2:17-type SmCo permanent magnets with controllable remanence temperature coefficients via substitution of heavy rare earth elements被引量：1
《Rare Metals》2024年第8期3990-3996,共7页Jia-Yi Huang Shu-Lan Zuo Qi Zhang Hong-Yang Dai Lei Yang Jing-Hua Liu Cheng-Bao Jiang 
financially supported by the National Key R&D Program of China (Nos.2021YFB3501600 and 2022YFB 3505302);the National Natural Science Foundation of China (Nos.52121001 and 52031001);the Young Elite Scientists Sponsorship Program by CAST (No.2023QNRC001)。
Permanent magnets that can maintain a constant magnetic flux over a wide temperature range are highly desirable in certain applications such as precision instruments.2:17-type SmCo permanent magnets are promising for ...
关键词：MAGNETS PERMANENT EARTH 
Simultaneously enhancing coercivity and remanence of hot-deformed Nd-Fe-B magnets by flake copper powder assisted DyF_(3) interflake addition
《Journal of Rare Earths》2024年第7期1282-1288,I0003,共8页Yikuan Hu Jiajie Li Shengyu Sun Shuwei Zhong Munan Yang Xiaoqiang Yu Sajjad Ur Rehman Xi Yu 
Project supported by the National Key Research and Development Program of China(2022YFB3505201,2022YFB3505400);the National Natural Science Foundation of China(52261034);the Natural Science Foundation of Jiangxi Province(20224BAB204015)。
It is still a challenge to simultaneously enhance coercivity(H_(cj))and remanence(J_(r))of hot-deformed Nd-Fe-B magnet due to the coercivity-remanence trade-off dilemma.Here,we achieved this balance between H_(cj)and ...
关键词：Rare earths Nd-Fe-B Hot-deformed magnet Flake powder Interflake addition REMANENCE 
Design and fabrication of Nd-Fe-B magnet with excellent thermal stability
《Journal of Rare Earths》2024年第5期980-986,I0006,共8页Rui Han Shengzhi Dong Dong Li Dongmin Zhang Hongsheng Chen Jiyuan Xu George CHadjipanayis Zhuolin Li Ying Zhang Wei Li 
Project supported by the National Key Research and Development Program(2021YFB3502801,2021YFB3502803);the National Natural Science Foundation of China(52001067)。
A novel Nd-Fe-B type permanent magnet with excellent thermal stability was designed by Co replacing Fe in the main phase and the grain boundary phase.The remanence and coercivity temperature coefficient reach 0.058%/...
关键词：Thermal stability Remanence temperature coefficient Operating temperature Atomic substitution Rare earths 
Enhanced hydrogen evolution reaction in FePt film with remanence due to decrease in domain walls被引量：1
《Rare Metals》2024年第3期1108-1115,共8页Hong Hong Dong-Xue Liu Jun Li Jun-Ming Li Li-Qian Wu Bo Yang Qing-Qi Cao Dun-Hui Wang 
financially supported by the National Natural Science Foundation of China(No.52101215)。
As an effective strategy to improve the properties of electrocatalysts,magnetic field-assisted electrocatalytic water splitting has attracted increasing attention recently.However,the corresponding enhancements mostly...
关键词：REMANENCE Magnetic domains ELECTROCATALYSIS Hydrogen evolution reaction(HER) 
Simultaneous increase in remanence and coercivity during grain refining of Nd-Fe-B deformed magnets被引量：2
《Journal of Rare Earths》2022年第11期1763-1771,I0004,共10页Fengqing Wang Kanghua Chen Juan Du Jian Zhang 
Project supported by the National Natural Science Foundation of China(51901237,51901234,51771220);High-tech Tacking Project from Baotou Rare Earth Research and Development Center,Chinese Academy of Sciences(GZR 2018002);Zhejiang Provincial Natural Science Foundation(LD19E010001)。
To explore the feasibility of deep grain-size refinement in overcoming the problem of traditional B-Htrade-off in bulk permanent magnets,the effect of deformation temperature on the texture strength,grain refining,and...
关键词：NdFeB magnets Grain size Plastic deformation Texture COERCIVITY Rare earths 
Extraordinary simultaneous enhancement of the coercivity and remanence of dual alloy HRE-free Nd-Fe-B sintered magnets by post-sinter annealing被引量：3
《Journal of Materials Science & Technology》2022年第11期236-242,共7页Qingfang Huang Qingzheng Jiang Jifan Hu Sajjad Ur Rehman Gang Fu Qichen Quan Jixiang Huang Deqin Xu Dakun Chen Zhenchen Zhong 
supported by the National Natural Science Foundation of China(Grant Nos.51901089 and 52061015);the Key Research and Development Program of Jiangxi Province(No.20201BBE51010);China Postdoctoral Science foundation(Grant No.2020M682064);Postdoctoral Science foundation of Jiangxi Province(Grant No.2020KY19);the Program of Qingjiang Excellent Young Talents of Jiangxi University of Science and Technology(No.JXUSTQJYX2020003)。
Post-sinter annealing process plays an important role in the microstructures and magnetic properties of the Nd-Fe-B sintered magnets.In this paper,systematically investigated are the magnetic properties and microstruc...
关键词：Nd-Fe-B sintered magnets HRE-free Dual alloy method Post-sinter annealing Magnetic properties 
Microstructures and coercivity mechanism of 2:17-type Sm-Co magnets with high remanence被引量：4
《Rare Metals》2022年第4期1353-1356,共4页Wei Sun Ming-Gang Zhu Yi-Kun Fang Zhi-Ying Liu Zhao-Hui Guo Wei Li 
the National Basic Research Program of China(No.2014CB643701);the National Natural Science Foundation of China(No.51171048)。
Sm(Co_(bal)Fe_(0.245)Cu_(0.07)Zr_(0.02))7.8(at%)sintered magnets with high remanence(B_(r)~1.15 T)were prepared using a traditional powder metallurgy method.Tunable magnetic properties,especially intrinsic coercivity(...
关键词：MICROSTRUCTURES Coercivity mechanism 2:17-type SmCo permanent magnet 
Experimental Study on Characteristics Variation of Permanent Magnets for High-speed Machine Applications
《Chinese Journal of Electrical Engineering》2022年第1期16-23,共8页Yunchong Wang Hongxia Cao Ilhami Colak Youhao Zhang Jianxin Shen 
Supported by the National Natural Science Foundation of China(51837010,52007161);Zhejiang Provincial Natural Science Foundation(LQ20E070005);Key R&D Program of Zhejiang Province(2019C01044).
High-speed permanent magnet(PM)electric machines are widely used.However,their extreme operating conditions,e.g.,high temperature and high mechanical stress,lead to variations of the PM characteristics and affect the ...
关键词：High-speed machine permanent magnet mechanical stress remanence variation demagnetization-curve model 
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