共搜索到18152条信息,每页显示10条信息,共1816页。用时:0小时0分0秒297毫秒
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......
......
......
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......
Influence of Heat Treatment on Microstructures and Properties of Nd8Fe78B6Co4 Alloy赵浩峰,刘红梅,苏俊义摘 要:<正>Melt-spun Nd8Fe78B6Co4 magnetic powders and their bonded magnets were prepared with the optimization of compositions and preparation techniques. The microstructure change of alloy NdFeB and the relation between microstruc-ture and heat-treatment......
F, ZHAO Y. Mechanical properties of TiN ceramic coating on a heat treated Ti-13Zr-13Nb alloy [J]. Journal of Alloys and Compounds, 2017, 724: 34-44. [26] Manhabosco T M, Tamborim S M, Santos C B...Trans. Nonferrous Met. Soc. China 29(2019) 1026-1035 Microstructure and tribocorrosion performance of nanocrystalline TiN graded coating on biomedical titanium alloy Wen-fang CUI1, Feng-juan NIU2......
Effect of Annealing on the Magnetism of the Sintered NdFeB Magnet HUANG Jian-guo1,ZHENG Hua-jun1,MA Chun-an1 (1.College of Chemical Engineering and Material Science, Zhejiang University of Technology, Hangzhou, China) 摘要:This paper deals with the effect of annealing on the magnetism of the sintered NdFeB magnet with a composition of Nd30B5.1Dy1.2A10.6Nb0.7Fe62.4. Microstructural investigations......
. The microhardness of the Ni-P coating increases dramatically by adding TiN nanoparticles and subsequent heat treatment. The corrosion experimental results indicate that the corrosion resistance of Ni-P-TiN... hardnesses of the magnesium alloy substrate, Ni-P alloy coatings and Ni-P-TiN composite coatings before and after heat treatment are presented in Fig. 6. The data shown in Fig. 6 indicate......
(CV) and electrochemical impedance spectroscopy (EIS) techniques. Results revealed that the corrosion resistance of the NdFeB film was better than that of the traditional sintered NdFeB magnet...]: the appearance of SmCo5 (1-5 samarium cobalt alloy), the occurrence of Sm2Co17 (2-17 samarium cobalt alloy) and the invention of NdFeB. Because of the superior performance of permanent magnet NdFeB......
Modeling and Simulation of Heat Transfer in Loaded Continuous Heat Treatment Furnace () 摘要:Continuous furnaces are widely used in the heat treatment of mass-produced parts. However, the heating... based on the calculated temperature distributions and curves, especially, the fastest heated and slowest-heated temperature-distance profiles. A case study is carried out for the heat treatment......