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Driving characteristics of octagon-type ultrasonic motorKIM Jong-Wook, PARK Choong-Hyo, LIM Jung-Hoon, JEONG Seong-Su, PARK Jong-Kyu, PARK Tae-Gone(1. Changwon National University, Sarim-dong, Changwon-si, Gyeongsangnam-do, 641-773, Korea)Abstract:Structure of the octagon-type ultrasonic motor was proposed and designed so as to allow the motor to drive small actuator. The stator of the motor......
Abstract: The squeeze pressure field and power ultrasonic field were applied during the conventional casting process of Al-5.0Cu alloy simultaneously. The effects of individual squeeze pressure or power...; squeeze pressure field; power ultrasonic field; combined field; microstructure; microhardness 1 Introduction Al-Cu cast alloys have been widely used in the transportation, aerospace and military industry......
pretreatment of molten ZL205A aluminum alloy. Key words: ZL205A aluminum alloy; ultrasonic field; solidification structure; cavitation ZL205A铝合金作为我国自主研制的铝-铜高强度铸造铝合金,具有良好的强度,韧性和抗蚀性,经过适当的热处理后,还具有机械加工性好... ingot in ultrasonic field[J]. Journal of Central South University of Technology, 2010, 17(3): 431-436. [13] ATAMANENKO T V, ESKIN D G, ZHANG L, et al. Criteria of grain refinement induced......
): 1780-1784. JIA Zheng, ZHANG Zhi-qiang, LE Qi-chi, WANG Xue, ZHANG Hai-feng, CUI Jian-zhong. Effect of ultrasonic field on AZ80 magnesium alloy melt purification[J]. Rare Metal Materials and Engineering, 2011...; 文献标志码:A Microstructure evolution of Al-20%Si alloy with ultrasonic standing wave treatment WANG Hong-ling, LE Qi-chi, ZHANG Zhi-qiang, CUI Jian-zhong, ZHANG Xiang-wen (Key......
Effect of ultrasonic field on particle distribution and hardness of SiCp/7085 composites WANG Kun1, JIANG Ripeng2, ZHANG Lihua1, LI Ruiqing2, LI Xiaoqian1 (1. School of Mechanical and Electrical... between hardness and microstructure of the composites. Under work condition of 10 min and 1 kW, the HBS reaches the maximum value 131.7 N/mm2, which is 25.7% higher than that without ultrasonic field......
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melt reaction method under high intensity ultrasonic field in Al-K2TiF6 system. The effects of high intensity ultrasonic on the reinforced particles in Al3Ti/6070 composites with different parameters... parameters for fabricating Al3Ti/6070 composites under the high intensity ultrasonic field are: the ultrasonic intensity is in range of 0.66-0.82 kW/cm2 and ultrasonic radiation period is 3 min. Key......
the friction in metal forming processes by superimposing ultrasonic waves [J]. CIRP Annals-Manufacturing Technology, 2001, 50(1): 195–200. (Edited by YANG Hua) 中文导读 超声激励下金属板材摩擦特性 摘要:在金属板材超声辅助拉深工艺中,超声激励在板材与模具间所产生......
J. Cent. South Univ. Technol. (2011) 18: 1068-1073 DOI: 10.1007/s11771-011-0805-4 Degradation of chlorothalonil by ultrasonic irradiation: Kinetics and impact factors GUO Hong-guang(郭洪光), GAO Nai... and Springer-Verlag Berlin Heidelberg 2011 Abstract: Factors on degradation of chlorothalonil (CLT) in water by high frequency ultrasonic irradiation were investigated. The effects of initial......
Characterization of Nanocrystallizatin Surface Layer of 0.4C-1Cr Low Alloy Steel Prepared by Ultrasonic Particulate Peening ZHANG Jun-bao1,LIU Yu-liang2,XIONG Tian-ying2,SONG Hong-wei1,WU Jie2,ZHAO... was fabricated in a quenched and tempered 0.4C-1Cr low alloy steel by ultrasonic particulate peening technique. The microstructure of the nanocrystalline surface layer was characterized by means of TEM......