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Practical Control of a Ball-Screw-Driven Stage for Long-Range Nanometer Positioning卢礼华Center for Precision Engineering,Harbin Institute of Technology摘 要:A DC motor and ball-screw-driven stage is studied for long-range nanometer positioning.The closed-loop system with high-gain PID controller is specially designed for high-precision point-to-point (PTP......
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Catalytic graphitization of polyacrylonitrile (PAN)-based carbon fibers with Fe-Cr2O3 composite coating HUANG Zhen-hua(黄振华)1, ZHOU Hai-hui(周海晖)1, 2, PENG Qi-ling(彭奇龄)1, CHEN Jin-hua(陈金华)1, 2...; Abstract: The process of electrodepositing Fe-Cr2O3 composite coating on polyacrylonitrile (PAN)-based carbon fibers and its catalytic graphitization were......
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Improvement of anticorrosion and adhesion to magnesium alloy by phosphate coating formed at room temperature NIU Li-yuan(牛丽媛), LIN Ji-xing(林继兴), LI Yong(李 勇), SHI Zi-mu(史子木), XU Lin-chao(徐临超... was developed to magnesium alloy against corrosion in aggressive environments. Firstly, a phosphate coating was formed on rinsed magnesium alloy. Then, powder painting was carried out on the phosphated magnesium......
J. Cent. South Univ. (2018) 25: 1350-1357 DOI: https://doi.org/10.1007/s11771-018-3831-7 Corrosion behaviors and mechanism of electroless Ni–Cu–P/n–TiN composite coating ZHOU Hong-ming(周宏明)1, 2, HU... coating was prepared using alkaline citrate-based bath. X-ray diffraction (XRD), scanning electron microscopy(SEM), energy-dispersive spectroscopy(EDS), electrochemical measurements, weight loss tests......
Preparation and Activity of a Nanometer Anti-microbial Polyurethane关燕清1,2,彭长连1,21. School of Life Science,South China Normal University2. MOE Key laboratory of Laser Life Science,South China Normal...-immobilized cell factors was observed by FESEM as well as CSLM at the level of nanometer. Finally, the product with elementary test of anti-microbial was also evaluated .关键词:......