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| 1 | Effects of Shielding Coatings on the Anode Shaping Process during Counter-rotating Electrochemical Machining显示文摘Electrochemical machining(ECM) has been widely used in the aerospace, automotive, defense and medical industries for its many advantages over traditional machining methods. However, the machining accuracy in ECM is to a great extent limited by the stray corrosion of the unwanted material removal. Many attempts have been made to improve the ECM accuracy, such as the use of a pulse power, passivating electrolytes and auxiliary electrodes. However, they are sometimes insufficient for the reduction of the stray removal and have their limitations in many cases. To solve the stray corrosion problem in CRECM, insulating and conductive coatings are respectively used. The different implement processes of the two kinds of coatings are introduced. The effects of the two kinds of shielding coatings on the anode shaping process are investigated. Numerical simulations and experiments are conducted for the comparison of the two coatings. The simulation and experimental results show that both the two kinds of coatings are valid for the reduction of stray corrosion on the top surface of the convex structure. However, for insulating coating, the convex sidewall becomes concave when the height of the convex structure is over 1.26 mm. In addition, it is easy to peel off by the high-speed electrolyte. In contrast, the conductive coating has a strong adhesion, and can be well reserved during the whole machining process. The convex structure fabricated by using a conductive iron coating layer presents a favorable sidewall profile. It is concluded that the conductive coating is more effective for the improvement of the machining quality in CRECM. The proposed shielding coatings can also be employed to reduce the stray corrosion in other schemes of ECM. | WANG Dengyong ZHU Zengwei WANG Ningfeng ZHU Di | 2016 | Chinese Journal of Mechanical Engineering2016，29，5： | 6 |
| 2 | Inhibition of monocytic interleukin-12 production by Candida albicans via selective activation of ERK Mitogen-Activated Protein Kinase显示文摘 | Ningfeng T Liming L Kefei K | 2004 | Infect Immunol2004，72，5： | 1 |
| 3 | Carrier dynamics and doping profiles in GaAs nanosheets显示文摘 | Chia-Chi Chang Chun-Yung Chi Chun-Chung Chen Ningfeng Huang Shermin Arab Jing Qiu Michelle L. Povinelli P. Daniel Dapkus Stephen B. Cronin | 2014 | Nano Research2014，7，2： | 1 |
| 4 | Awareness of Traditional Chinese Medicine on Glucocorticoid Drugs 显示文摘 | Ningfeng Gan Guihua Huang | 2008 | Guangxi Journal of Traditional Chinese Medicine2008，31，2： | 1 |
| 5 | Analysis of Electromagnetic Band Gap Waveguide显示文摘 | Bai Ningfeng Sun Xiaohan Liao Fujiang | 2007 | Journal of Huazhong University of Science and Technology(Nature Science)2007，35，： | 1 |
| 6 | Adaptive and Intelligent Digital Signal Processing for Improved Optical Interconnection显示文摘In recent years, explosively increasing data traffic has been boosting the con?tinuous demand of high speed optical interconnection inside or among data centers, high performance computers and even consumer electronics. To pursue the improved intercon?nection performance of capacity, energy efficiency and simplicity, effective approaches are demonstrated including particularly advanced digital signal processing (DSP) meth?ods. In this paper, we present a review about the enabling adaptive DSP methods for opti?cal interconnection applications, and a detailed summary of our recent and ongoing works in this field. In brief, our works focus on dealing with the specific issues for short-reach interconnection scenarios with adaptive operation, including signal-to-noise-ratio (SNR) limitation, level nonlinearity distortion, energy efficiency consideration and the de?cision precision. | SUN Lin DU Jiangbing HUA Feng TANG Ningfeng HE Zuyuan | 2020 | ZTE Communications2020，18，2： | 0 |
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