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Preparation Technology and Performances of Zn-Cr Coating on Sintered NdFeB Permanent Magnet Chen Ling1,Yu Shengxue1 (1.Department of Applied Chemistry, Yanshan University, Qinhuangdao 066004, China) Abstract:Zn-Cr coating was prepared on the surface of sintered NdFeB permanent magnet samples and preparation parameters were established.The anticorrosive property of Zn-Cr coating on NdFeB......
Study of Technology of Stripping Nickel Coating on NdFeB Permanent Magnet Rao Houzeng1,Jiang Longfa1,LI Guohua2,Lin Guanjie1 (1.Department of Environmental and Chemical Engineering, Nanchang... in the solution of stripping the nickel coating on NdFeB permanent magnet on the stripping result were studied systematically.The practical formular contains mainly the oxidant m-O2NC6H4SO3Na, the complex......
A Study of Two-Phase Nanocrystalline Nd8.5Fe75Co5Cu1Zr3Nb1B6.5 Permanent Magnet 李强1,倪建森1,徐晖1,董远达1,周邦新1,朱明原1 (1.Institute of Materials, Shanghai University, Shanghai 200072, China) Abstract.... Key words:metal materials; exchange-coupled; two-phase nanocrystalline; bonded permanent magnet; rare earths; [全文内容正在添加中] ......
J. Cent. South Univ. Technol. (2011) 18: 690-696 DOI: 10.1007/s11771-011-0749-8 Optimal design of auxiliary-teeth to solve circulation current reduction of permanent magnet linear synchronous motor... Heidelberg 2011 Abstract: A discontinuity of magnetic circuits according to the end effect is generated in the permanent magnet linear synchronous motor (PMLSM). Due to the unbalanced back electro-motive......
J. Cent. South Univ. Technol. (2011) 18: 165-170 DOI: 10.1007/s11771-011-0675-9 Calculation of optimal current density of double side permanent magnet linear synchronous motor JANG Ki-Bong... of design method considering a coil temperature to maximize the thrust density of a double side coreless permanent magnet linear synchronous motor (PMLSM) was presented. The optimal current density where......
The Studies of Composite Electroless Plating Process on Sintering Ndfeb Permanent Magnet MENG Yong-qiang1,MA Jing1,HU Jian-wen1,YAN Dong-Qing1,GAO Qing1 (1.School of material, Hebei University of Science and Technology, Shijiazhuang, China) 摘要:A reasonable pre-treatment and an ultrasonic pre-plating Cu film were applied for sintering NdFeB permanent magnet. The samples were then plated......
Development of Strip Casting Technology in Rare Earth Permanent Magnet Alloys and Hydrogen Storage Alloys in China Guo Binglin1,Han Weiping1,Cheng Xinghua1,Zhu Jinghan1,Yu Xiaojun1 (1.Functional... materials in virtue of its advanced process and high performance product. The applications of SC technique in rare earth permanent magnet alloys and hydrogen storage alloys were analyzed integrative......
Lattice Constants of R-Co Permanent Magnet Alloys万永,周寿增,王润,吴平摘 要:<正> The lattice constants of Sm-Co permanent magnet alloy have been determined by means of X-raydiffraction measurement. The lattice constants of R. Co alloy systems (R=rare earth) have been investigatedwith Bragg-williams (B-W) approximation and their expressions are given......
properties analysis shows that this non-magnetic Nd-rich phase, produced in annealing process,can increase or decrease the magnetism of the sintered NdFeB-type permanent magnet. Appropriate amount... at 542℃, microstructure changes in some main phase will leading the decrease of properties. 关键词:permanent magnet; sintered NdFeB magnets; annealing; [全文内容正在添加中] ......
