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and maximum energy product of 360.4kJ/m3. Key words: spark plasma sintering; NdFeB permanent magnet; Nd-rich phase; heat treatment NdFeB永磁材料的SEM像 Fig.1 SEM images of SPS NdFeB permanent magnets sintered at different temperatures after heat treatment at 1050℃ 960℃烧结时, 主相晶粒均匀合适, 孔洞和颗粒状富钕相较少, 组织致密, 此温度为最佳的烧结温度. 980℃烧结......
THE EFFECT OF Mo ADDITION ON COERCIVITY OF NdFeB SINTERED MAGNET PREPARED BY BLENDING METHOD J.Q.Zhou1,M.G. Zhang1 (1.Department of Materials Engineering, Taiyuan University of Science and Technology,Taiyuan 030024, China) Abstract:Alloy modification, accompanying with proper heat treatment, is commonly used to improve the thermal stability of NdFeB magnet. Traditional alloy modification......
can increase the life time of coating anodes prepared at temperature lower than 500 ℃. Key words: TiN film; IrO2-Ta2O5; coating; Ti anodes; electrocatalytic properties; heat treatment  ...: TiN film was prepared by heating treatment of titanium plates under N2 flow at 700 ℃, and IrO2-Ta2O5 coating was formed on the as-prepared Ti/TiN substrate by thermal decomposition method......
Cathode electrophoretic technology for bonded NdFeB permanent magnet CHEN Gang(陈 刚)1, 2, YANG Xiao-lin(杨小玲)2, 3, GAO Dan-ying(高淡英)2,NI Jian-sen(倪建森)1, XU Hui(徐 晖)1 , ZHOU Bang-xin(周邦新)1 1... and Technology, Shanghai 201800, China Received 20 April 2006; accepted 30 June 2006 Abstract: The bonded NdFeB permanent magnet was painted by cathode electrophoretic technology. The effect of technological......
of element Co. The magnetic properties of magnet alloy get the best when the melt-spun speed reaches 23~26 m·s-1, heat treatment temperature is 690 ℃ and time is 30 min. Key words:bonded NdFeB.... The microstructure change of alloy NdFeB and the relation between microstructure and heat-treatment were studied. The heat-treatment temperature is 200~700 ℃. The as-cast structure of the alloy......
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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......
the effects of the microstructure on the coercivity, we investigated the microstructure and properties improvements of a commercial sintered NdFeB magnet after optimized additional heat treatment...Microstructure improvement related coercivity enhancement for sintered NdFeB magnets after optimized additional heat treatmentQing Zhou1,2,Wei Li1,Yuan Hong1,Lizhong Zhao1,Xichun Zhong1,Hongya......