COERCIVITY

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Perpendicular magnetic anisotropy of Pd/Co_(2)MnSi/Co/Pd multilayer
《Chinese Physics B》2025年第3期534-539,共6页Xiaoqi Qin Jiaxing Tan Xianwu Xiu Wentian Cao Shuyun Wang 
Project supported by Shandong Provincial Natural Science Foundation,China(Grant No.ZR2022ME059)。
Pd/Co_(2)MnSi(CMS)/Co/Pd multilayer films were designed based on the idea of combining highly spin-polarized materials with strong perpendicular magnetic anisotropy(PMA)films.The PMA of Pd/CMS/Co/Pd multilayer films w...
关键词：perpendicular magnetic anisotropy(PMA) Co_(2)MnSi(CMS) CO abnormal Hall resistance(R_(Hall)) coercivity(H_(c)) 
Coercivity enhancement of nanocrystalline Ce-based magnets utilizing simplified one-step hot deformation process
《Rare Metals》2025年第1期531-542,共12页Xue-Feng Liao Qing Zhou Wei-Wei Zeng Bang Zhou Hong-Ya Yu Wei-Da Huang Wen-Bing Fan Jia-Sheng Zhang Zhong-Wu Liu 
supported by the National Natural Science Foundation of China(Nos.U21A2052,52071143 and 52301237);Guangdong Basic and Applied Basic Research Foundation(Nos.2023A1515010431 and 2022A1515011453);China Postdoctoral Science Foundation funded project(No.2022M720845);GDAS Project of Science and Technology Development(Nos.2022GDASZH-2022010104 and 2023GDASZH-2023010104)。
Nanocrystalline Ce-based rare earth(RE)-Fe-B alloys exhibit relatively good hard magnetic properties and high performance-cost ratio,but their properties deteriorate seriously after hot deformation(HD).Here,we present...
关键词：Hot deformation(HD) Ce-Fe-B COERCIVITY Coarse grain(CG) Aspect ratio 
Enhancing coercivity and thermal stability of(Nd,Y)-Fe-B sintered magnets through lamellar structure design
《Rare Metals》2024年第12期6571-6582,共12页Xiao-Dong Fan Yu-Hao Li Shuai Cao Guang-Fei Ding Shuai Guo Bo Zheng Ren-Jie Chen A.Ru Yan 
financially supported by the National Natural Science Foundation of China(No.52201235);the Natural Science Foundation of Ningbo City(No.2022J308);the Science and Technology Program of Zhejiang Province(No.2024C01145);Ningbo Young Science and Technology Innovation Leading Talents(No.2023QL040);Kunpeng Plan of Zhejiang Province;Ningbo Top Talent Program;the"Pioneer"and"Leading Goose"R&D Program of Zhejiang(No.2022C01020)。
The incorporation of the high-abundance rareearth element Y in(Nd,Y)-Fe-B sintered magnets offers an opportunity to reduce the cost of permanent magnetic materials,while promoting the balanced usage of rare-earth reso...
关键词：Nd-Y-Fe-B magnets COERCIVITY Thermal stability Lamellar structure design 
Advances in grain-boundary diffusion for high-performance permanent magnets
《Materials Futures》2024年第4期41-70,共30页Prajna Paramita Mohapatra Guomeng Li Perumal Alagarsamy Xiandong Xu 
financially supported by Yantai Dongxing Magnetic Materials Co.,Ltd.
High-performance permanent magnets play an indispensable role in manufacturing highly efficient motors and generators,ultimately contributing to the sustainability of our planet.Achieving high coercivity(µ0Hc)in hard...
关键词：rare earth metal grain-boundary diffusion processes NdFeB magnets COERCIVITY 
The Coercive Property and a Priori Error Estimation of the Finite Element Method for Linearly Distributed Time Order Fractional Telegraph Equation with Restricted Initial Conditions
《American Journal of Computational Mathematics》2024年第4期381-390,共10页Ebimene James Mamadu Henrietta Ify Ojarikre Daniel Chinedu Iweobodo Ebikonbo-Owei Anthony Mamadu Jonathan Tsetimi Ignatius Nkonyeasua Njoseh 
Finite Element Method (FEM), when applied to solve problems, has faced some challenges over the years, such as time consumption and the complexity of assumptions. In particular, the making of assumptions has had a sig...
关键词：COERCIVITY Finite Element Method Mamadu-Njoseh Polynomials A Priori Error Estimation Cauchy-Schwarz Inequality Mean Value Theorem 
Pr-Tb synergistic strengthening on coercivity of Nd-Ce-Fe-B magnets grain boundary diffused with Pr-Tb-Al-Ga alloys
《Journal of Rare Earths》2024年第9期1704-1709,I0003,共7页Ruifang Song Hang Zhao Haibo Feng 
Project supported by the National Key Research and Development Program of China (2022YFB3503303)。
Sintered Nd-Ce-Fe-B magnets were grain boundary diffused(GBDed) with Pr_(x)Tb_(80-x)Al_(10)Ga_(10)(at%)(x=0,20,40,60,80) alloys.The effect of Pr/Tb content in diffusion source on magnetic properties,microstructure and...
关键词：Grain boundary diffusion Rare earths Microstructure Synergistic strengthening 
Thermal stability improvement and microstructure optimization of high cobalt content Nd-Fe-B magnets via terbium grain boundary diffusion
《Journal of Rare Earths》2024年第8期1531-1538,I0004,共9页Jiyuan Xu Ruiyang Meng Jing Liu Jiateng Zhang Rui Han Yikun Fang Shengzhi Dong Wei Li 
supported by the National Key R&D Program of China (2021YFB3502902,2021YFB3503100,2022YFB3503300,2022YFB3505200)。
The substitution of Fe by Co in the 2:14:1 phase is an effective method to increase the Curie temperature and enhance the thermal stability of the Nd-Fe-B magnets.However,the accumulation of Co ele ment at the grain b...
关键词：Nd-Fe-B magnets COERCIVITY Grain boundary diffusion Thermal stability Micro structure Rare earths 
Development of high-performance Fe-rich Fe–P–C amorphous alloys with enhanced magnetization and low coercivity
《Progress in Natural Science:Materials International》2024年第4期787-794,共8页Jing Ding Cong Liu Guochen Sun Jie Cui Shuqiang Lv Zhaocan Li Jili Tian Shengli Zhu 
support from National Natural Science Foundation of China(No.52202213);Scientific Research Fund of Dezhou University(No.30103540);China Postdoctoral Science Foundation(No.2023M730905);Science Research Project of Hebei Education Department(No.QN2024031)
Using melt spinning technology,we successfully synthesized a series of Fe-rich Fe–P–C amorphous alloys exhibiting high saturation magnetization(B_(s)),low coercivity(H_(c)),and excellent bending ductility.These allo...
关键词：Amorphous alloy ribbon Soft-magnetic properties Saturation magnetization COERCIVITY Bending ductility 
A plastic iron-based nanocrystalline alloy with high saturation magnetic flux density and low coercivity via flexible-annealing
《Journal of Materials Science & Technology》2024年第23期229-235,共7页Xuesong Li Rongce Sun Dongyang Li Chengyue Song Jing Zhou Zhiyong Xue Chuntao Chang Baoan Sun Bo Zhang Haibo Ke Weihua Wang Haiyang Bai 
supported by the Guangdong Major Project of Basic and Applied Basic Research,China(Grant No.2019B030302010);the Guangdong Basic and Applied Baic Research,China(Grant No.2020B1515130007);the Key Research and Development Plan of Dongguan,China(Grant No.20221200300062);the National Natural Science Foundation of China(Grant Nos.52192602,52071222,52101191,52171149);the National Key Research and Development Program of China(Grant No.2021YFA0716302).
The traditional high-temperature annealing process is difficult to control the morphology and size of the crystallization phases in amorphous alloy systems with high ferromagnetic element content,lead-ing to mechanica...
关键词：Nanocrystalline alloy Flexible annealing High saturation magnetic flux density Low coercivity PLASTIC 
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 
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