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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:Nanocrystalline Nd8.5Fe75Co5Cu1Zr3Nb1B6.5 ribbons were prepared by melt-spun (18 m*s-1) and subsequent heat treatment (670 ℃/4 min). Excellent magnetic properties of the bonded magnet were achieved......
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by optimal two-stage heat treatment. Therefore, the microstructure, crystal orientation, magnetic and mechanical properties of the two-stage aged magnets and the low-temperature aged ones are comprehensively... detection The intrinsic coercivity of the sintered state Dy-doped Nd-Fe-B magnet can be greatly improved by ageing treatment [9-12]. Figure 1 shows the demagnetization curves of the sintered, the optimal......
Effects of heat treatment on morphological, optical and electrical properties of ITO films by sol-gel technique LI Zhi-hua(李芝华), KE Yu-peng(柯于鹏), REN Dong-yan(任冬燕) School of Materials Science... of different heat treatment temperatures and cooling methods on the morphological, optical and electrical properties of ITO films were measured by TG/DTA, IR, XRD, SEM, UV-VIS spectrometer and four-probe......
Effect of Heat Treatment on Microstructure of CuAlBi Alloy Chen Fang1,Zheng Yucai1,Liu Changrong1,Xiao Nianxin1,Zhang Hailong1 (1.Department of Machinery and Electron, Hebei Normal University..., and the effect of heat treatment on microstructure of CuAlBi alloy was also discussed. The results show that the phase-transition point temperature of CuAlBi alloy is 561.7℃, and heat treatment can......
Heat Treatment and Properties of Nitrogen Alloyed, Martensitic,Corrosion-resistant Steels Roland Rabitsch1,Klaus Sammt1,Michael Haspel1,Reinhold Schneider2 (1.BOHLER Edelstahl GmbH, Kapfenberg... process route and material properties of these steels in comparison to standard martensitic corrosion-resistant steels. The typical response of these steels to various heat treatment parameters is shown......
Influence of heat treatment on fracture and magnetic properties of radially oriented Sm2Co17 permanent magnets TIAN Jian-jun(田建军), QU Xuan-hui(曲选辉), ZHANG Shen-gen(张深根), A. FARID, TAO Si-wu(陶斯武... a high value (≥1.0 T). Through appropriate heat treatment, the ring magnets have uniform cellular microstructure and excellent magnetic properties: Br≥1.0T, JHc≥2 100 kA/m, BHmax≥220 kJ/m3. Key words......
Microstructure and corrosion resistance of sintered NdFeB magnet modified by intergranular additions of MgO and ZnO SHEN Liping1,SHAN Aidang2,LIU Qiongzhen2,MO Wenjian2,ZHANG Lanting2,WU... resistance resulting from autoclave testing (2×105 Pa of steam pressure, 120 °C) showed that the corrosion rate of NdFeB magnets reduced with the increase of additive amount. Microstructure observation......
Effect of Heat Treatment on Microstructure and Microhardness of Directionally Solidified NiAl-Cr(Mo)-Hf Intermetallic Alloy GUO Jian-ting1,XU Chun-mei2,XIE Xi-shan2 (1.Institute of Metal Research, Chinese Academy of Sciences, Shenyang, China;2.University of Science and Technology Beijing,Beijing,China) 摘要:The effect of heat treatment on microstructure and microhardness of directionally......
The Integration of Vacuum Brazing into Heat Treatment - A Progressive Combined Process Henkjan Buursen1,Ingo Reinkensmeier2 (1.Bodycote Warmebehandlung GmbH, Diemen, Netherlands;2.Bodycote... to an independent (hybrid) technology. The use of hybrid procedures for metal joining and heat treatment of metallic materials finds more and more industrial fields of application. Modern vacuum lines......