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J. Cent. South Univ. (2018) 25: 277-286 DOI: https://doi.org/10.1007/s11771-018-3736-5 Surface roughness prediction model in ultrasonic vibration assisted grinding of BK7 optical glass ZHAO Pei-yi... surface roughness is the key to improve whole machining efficiency and meanwhile reduce the expenditure in machining optical glass components. In order to predict the surface roughness in ultrasonic......
Ultrasonic synthesis, characterization and formation mechanism of aggregated nanorings of EuF3 WANG Xinjun1,JIANG Kai1,BAI Zhengyu1,WU Dapeng1 (1.Chemistry and Environmental College,Henan Normal University,Xinxiang 453007,China) Abstract:The aggregated nanorings of EuF3 were synthesized via ultrasonic irritation in aqueous solution. The products were characterized by X-ray powder diffraction......
Localization system for mobile robot using scanning laser and ultrasonic measurement LIU Kai(刘凯)1, SUN Zeng-qi(孙增圻)1, AN Bin(安斌)2 (1. Department of Computer Science & Technology, Tsinghua... and position information for the robot. Then, a novel scanning laser and ultrasonic absolute positioning system was developed to eliminate the accumulative error in dead reckoned robot heading......
Damage analysis for particle reinforced metal matrix composite by ultrasonic method YANG Zhi-guo(杨治国), LONG Shi-guo(龙士国) Key Laboratory for Advanced Materials and Rheological Properties... of particle reinforced metal matrix composite (PMMC) was studied by ultrasonic non-destructive evaluation method. After the sample was damaged induced by tensile load, the ultrasonic wave that propagated......
Direct-chilling casting of Mg alloy under electromagnetic and ultrasonic combined field CUI Jian-zhong(崔建忠), ZHANG Zhi-qiang(张志强), LE Qi-chi(乐启炽) Key Laboratory of Electromagnetic... electromagnetic (LFEC) field and ultrasonic (US) field on the microstructures, macrosegregation of alloying elements and the mechanical properties of DC cast AZ80 alloy were studied. The results show that both......
Corrosion Behavior of Electrodepositing Ni/Al2O3 Composite Coatings under the Presence of NaCl Deposit谢丹阳,刘琳摘 要:The morphology and corrosion behavior of Ni/Al2O3 composite coatings prepared using double-pulsed electrodepositing technique after oxidized under 800 ℃ NaCl deposit in air environment were analyzed by scanning electrical microscope (SEM), X......
J. Cent. South Univ. Technol. (2008) 15: 738-741 DOI: 10.1007/s11771-008-0136-2 Fast recognition algorithm of underwater micro-terrain based on ultrasonic detection LUO Bo-wen(罗柏文)1, ZHOU Zhi... of the micro-terrain. Key words: underwater micro-terrain; ultrasonic detection; single beam; exceptional elevation values; threshold value; dynamic clustering  ......
Influence of high intensity ultrasonic vibration on microstructure of in-situ synthesized Mg2Si/Mg composites CHEN Ke(陈可), LI Zi-quan(李子全), ZHOU Heng-zhi(周衡志), WANG Wei(王伟) College of Materials... in remelting process by means of high intensity ultrasonic vibration. The effects of ultrasonic vibration duration and temperature on size, morphology and distribution of the primary Mg2Si were studied......
Trans. Nonferrous Met. Soc. China 20(2010) s763-s767 Microstructure and properties of rheo-diecast Al-20Si-2Cu-1Ni-0.4Mg alloy with direct ultrasonic vibration process WU Shu-sen (吴树森... developed direct ultrasonic vibration process (DUV process) was used in the preparation of the semi-solid slurry of this alloy. The results show that the primary Si particles in this alloy is about 20 μm......
A novel two-degree-of-freedom spherical ultrasonic motor using three travelling-wave type annular statorsWANG Jian(王剑)1, HU Xi-xing(胡锡幸)2, WANG Ban(王班)1, GUO Ji-feng(郭吉丰)1(1. College of Electrical... and controllability of the multi-degree-of-freedom (M-DOF) ultrasonic motor, a novel two-degree-of-freedom (2-DOF) spherical ultrasonic motor using three traveling-wave type annular stators was put......