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the weldment moves towards a given direction with an invariable speed. Fig.1 Basic principle of rotating extrusion (1 Extrusion head; 2 Welded piece) In the process of RE treatment, the RE tool... Rotating extrusion technique and its effect on quality of aluminum alloy thin-plate weldments LI Jun(李 军), YANG Jian-guo(杨建国), YAN De-jun(闫德俊), ZHANG Yong(张 勇), FANG Hong-yuan(方洪渊......
by anodic arc discharging plasma method with home-made experimental apparatus. The effects of various processing parameters on the particle size of Cu nanopowders were investigated in the process... by anodic arc discharging plasma technique with home-made experimental apparatus which was described elsewhere [17]. In the process, the vacuum chamber was pumped to 10-3 Pa, then backfilled......
] 陶 宇, TAREK E G. 用等离子旋转电极工艺生产高氮钢[J]. 钢铁研究学报, 2004, 16(1): 17-22. TAO Yu, TAREK E G. High nitrogen steels produced by plasma rotating electrode process[J]. Journal of Iron and Steel Research, 2004, 16(1...- structured ceramic coatings on Ti6Al4V alloy by plasma electrolytic oxidation process[J]. Transactions of Nonferrous Metals of China, 2019, 29(12): 2546-2555. [8] 周 哲, 葛毅成, 汪 沅, 等. C/C-ZrC-Cu复合材料等离子喷涂W组织结构[J......
Structures and electrochemical performances of La0.75-xZrxMg0.25Ni3.2Co0.2Al0.1 (x=0-0.2) electrode alloys prepared by melt spinning ZHANG Yang-huan(张羊换)1, 2, ZHAO Dong-liang(赵栋梁)1, SHI...; Abstract: The La-Mg-Ni system A2B7-type electrode alloys with nominal composition......
Effects of rapid quenching on structure and electrochemical characteristics of La0.5Ce0.2Mg0.3Co0.4Ni2.6-xMnx (x=0-0.4) electrode alloys ZHANG Yang-huan(张羊换)1, 2, ZHAO Dong-liang(赵... of the alloys, but it slightly impairs the activation capabilities of the alloys. Key words: La-Mg-Ni system electrode alloy; rapid quenching; structure; electrochemical performance ......
J. Cent. South Univ. (2020) 27: 478-489 DOI: https://doi.org/10.1007/s11771-020-4310-5 Effect of moving baffle on average velocity and mixing of binary particles in rotating drums ZHANG Li-dong(张立栋... the motion and mixing of particles in rotating drums. To obtain its influence on binary particles, horizontal rotating drums provided with a moving baffle were investigated by discrete element method (DEM......
Study of the Active Screen Plasma Nitriding H.Dong1,C.X.Li1,Zhao Cheng2,T.Bell1 (1.Department of Metallurgy and Materials, University of Birmingham, Birmingham, UK;2.Plasma Engineering Laboratory, Qingdao University of Science and Technology, Qingdao, China) 摘要:Active screen plasma nitriding (ASPN) is a novel nitriding process, which overcomes many of the practical problems associated......
ARTICLE J. Cent. South Univ. (2019) 26: 1250-1259 DOI: https://doi.org/10.1007/s11771-019-4084-9 Numerical simulation for Darcy-Forchheimer 3D rotating flow subject to binary chemical reaction... in the presence of rotating frame and activation energy is inspected. Flow is developed through linearly stretching of the surface. Convection of heat and mass exchange is given due consideration......
, these techniques require high-energy consumptions to provide adequate layers adhesion under high contact loads. Therefore, a novel electrochemical surface treatment process, plasma electrolytic oxidation... in his study regarding the formation mechanism of meta-stable alumina phase for the plasma spraying technique. During the plasma electrolytic process, the molten γ-Al2O3 is injected to the electrolyte......
Environmental friendly plasma electrolytic oxidation of AM60 magnesium alloy and its corrosion resistance CAO Fa-he(曹发和)1, LIN Long-yong(林龙勇)2, ZHANG Zhao(张 昭)1, ZHANG Jian-qing(张鉴清)1, 3, CAO...; Abstract: Plasma electrolytic oxidation......
