共搜索到538条信息,每页显示10条信息,共54页。用时:0小时0分0秒156毫秒
......
Improvement of coercivity and corrosion resistance of Nd-Fe-B sintered magnets by doping aluminium nano-particles刘卫强1,孙超1,岳明1,孙浩1,张东涛1,张久兴11. College of Materials Science and Engineering,Beijing... of Al content on magnetic property, corrosion resistance and oxidation properties of the magnets were studied. Investigation showed that the coercivity rose gradually, while the remanence decreased......
Improvement of Coercivity and Corrosion Resistance of Nd-Fe-B Sintered Magnets with Cu Nano-particles DopingC.Sun 1),W.Q.Liu 1),H.Sun 1),M.Yue 1),X.F.Yi 2) and J.W.Chen 2) 1) College of Materials... properties of the magnets have been studied.It shows that the coercivity rises gradually,while the remanence decreases simultaneously with increasing Cu doping amount.Microstructure observation reveals......
Improvement of coercivity and corrosion resistance of Nd-Fe-B sintered magnets by doping aluminium nano-particles刘卫强1,孙超1,岳明1,孙浩1,张东涛1,张久兴11. College of Materials Science and Engineering,Beijing... of Al content on magnetic property, corrosion resistance and oxidation properties of the magnets were studied. Investigation showed that the coercivity rose gradually, while the remanence decreased......
High coercivity Pr2Fe14B/α-Fe nanocomposite permanent magnets with Zr additionMehran Khan Alam,Guang-Bing Han,Shi-Shou KangSchool of Physics,Shandong University摘 要:coercivity largely increases from 502(Zr-free) to 945 kA·m-1(2 at% Zr),which is among the highest value reported so far in this poor rare earth nanocomposite magnets.The hysteresis loops......
Effect of Terbium addition on the coercivity of the sintered NdFeB magnets泮敏翔1,张朋越1,李贤君2,葛洪良1,吴琼1,焦志伟11. Department of Materials Science and Engineering,China Jiliang University2. Beijing Research... phase calculated by Horta formula,but the coercivity of the magnets increased from 2038 kA/m up to 2302 kA/m as a consequence of Tb addition.The study of the Hc(T)/Ms(T) versus/Ms(T) behavior showed......
Dy gradient and coercivity in grain boundary diffusion processed Nd-Fe-B magnet周磊1,李建1,2,程星华1,刘涛1,喻晓军1,李波21. Functional Materials Division, Advanced Technology & Materials Co., Ltd.2. China Iron... wt.% to 0.3 wt.%. Compared with the original status, the coercivity increment was not proportional to the Dy diffusion amount. Subsequent Hcj and Dy content gradient data showed that slope of the 0.3......
Effect of Terbium addition on the coercivity of the sintered NdFeB magnets泮敏翔1,张朋越1,李贤君2,葛洪良1,吴琼1,焦志伟11. Department of Materials Science and Engineering,China Jiliang University2. Beijing Research... phase calculated by Horta formula,but the coercivity of the magnets increased from 2038 kA/m up to 2302 kA/m as a consequence of Tb addition.The study of the Hc(T)/Ms(T) versus/Ms(T) behavior showed......
Dy gradient and coercivity in grain boundary diffusion processed Nd-Fe-B magnet周磊1,李建1,2,程星华1,刘涛1,喻晓军1,李波21. Functional Materials Division, Advanced Technology & Materials Co., Ltd.2. China Iron... wt.% to 0.3 wt.%. Compared with the original status, the coercivity increment was not proportional to the Dy diffusion amount. Subsequent Hcj and Dy content gradient data showed that slope of the 0.3......
Coercivity enhancement mechanism of Tb-diffusion Nd-Fe-B sintered magnets studied by magneto-optical Kerr optical microscopeDan Wu1,Wei-Qiang Liu1,Ming Yue1,Qiong Wu1,Dong-Tao Zhang1,Qing-Mei Lu11...="ChDivSummary">The coercivity,microstructure,and magnetic domain structure of Nd-Fe-B sintered magnets by grain boundary diffusion process(GBDP) with TbH3 nanoparticles were systematically investigated.Compared......