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Ultrasonic Plasma Spray--A New Plasma Spray Process WEN Xiong-wei1,LI Lu-ming1,ZHANG Hua-tang1,LU Zhi-qing1 (1.Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China) 摘要:The method of arc- ultrasonic is introduced into plasma spray process. The process of spray ZrO2-NiCoCr AlY thermal barrier coatings (TBCs) using air plasma spray (APS) process is studied. A exciting......
Microstructures and mechanical properties of AZ80 alloy treated by pulsed ultrasonic vibration ZHANG Zhi-qiang(张志强), LE Qi-chi(乐启炽), CUI Jian-zhong(崔建忠) Key Laboratory...; Abstract: Pulsed ultrasonic field was employed in the melt......
Bonding mechanism of ultrasonic wedge bonding of copper wire on Au/Ni/Cu substrate TIAN Yan-hong(田艳红)1, WANG Chun-qing(王春青)1, Y. Norman ZHOU2 1. State Key Laboratory of Advanced Welding...; Abstract: The ultrasonic wedge bonding with d25 μm copper wire was achieved on Au/Ni plated Cu substrate at ambient temperature. Ultrasonic wedge bonding mechanism was investigated......
J. Cent. South Univ. (2018) 25: 1545-1559 DOI: https://doi.org/10.1007/s11771-018-3847-z Effects of ultrasonic vibration on performance and microstructure of AZ31 magnesium alloy under tensile...), Shandong University, Jinan 250061, China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract: Ultrasonic vibration can reduce the forming force......
Effects of ultrasonic dispersion on structure of electrodeposited Ni coating on AZ91D magnesium alloy WU Hua(吴 化)1, ZHAO Guo-liang(赵国良)1, MU Jun-wei(穆君伟)2, LI Xue-song(李雪松)1, HE Yi(何 毅..., ultrasonic technology was applied in the processes of pre-treatment and electrodeposition. The phases of pre-treatment layer and the nickel coating were analyzed by X-ray diffractometry (XRD) and X-ray......
J. Cent. South Univ. Technol. (2008) 15: 684-688 DOI: 10.1007/s11771-008-0127-3 Ultrasonic power features of wire bonding and thermosonic flip chip bonding in microelectronics packaging LI Jun...; Abstract: The driving voltage and current signals of piezoceramic transducer (PZT) were measured directly by designing circuits from ultrasonic generator and using a data acquisition......
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......
