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Ultrasonic echo signal fetures of dissimilar material bonding joints GANG Tie(刚 铁)1, Yasuo TAKAHASHI2 (1. State Key Lab of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China; 2. JWRI, Osaka University, Japan) Abstract: An ultrasonic evaluation method of echo feature of diffusion bond joint between two dissimilar materials is presented. The echo......
Interface structure of ultrasonic wedge bonding joints of Ni/Al LI Jun-hui(李军辉), HAN Lei(韩 雷), ZHONG Jue(钟 掘) (School of Mechanical-Electronical Engineering, Central South University, Changsha 410083, China) Abstract: Nickel plated on a copper plate was selected as a bond surface for ultrasonic aluminum wedge bonds, and a series of experiments were carried out to study......
Effect of ultrasonic stirring on temperature distribution and grain refinement in Al-1.65%Si alloy melt LI Jun-wen(李军文)1, 2, T. Momono3, FU Ying(付 莹)1, JIA Zheng(贾 征)1, Y. Tayu3 1. College... to study the formation of grain refining structure with ultrasonic stirring. The cooling curves of ingots with ultrasonic were measured and compared with those without ultrasonic. At the same time......
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J. Cent. South Univ. (2016) 23: 405-412 DOI: 10.1007/s11771-016-3085-1 Mass transfer enhancement for LiBr solution using ultrasonic wave HAN Xiao-dong(韩晓东), ZHANG Shi-wei(张仕伟), TANG Yong(汤勇), YUAN... solar energy with ultrasonic wave, while the mechanism of ultrasonic wave strengthening boiling mass transfer in LiBr solution was also analyzed with experiment. The experimental results indicate......
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Trans. Nonferrous Met. Soc. China 20(2010) s1029-s1032 SiC nanoparticles reinforced magnesium matrix composites fabricated by ultrasonic method WANG Zhao-hui(王朝辉), WANG Xu-dong(王旭东... nanoparticles reinforced magnesium matrix composites were fabricated by ultrasonic method. The AZ91 alloy and SiC nanoparticles with the average diameter of 50 nm were used as the matrix alloy......
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; Effect of ultrasonic power and casting speed on solidification structure of 7050 aluminum alloy ingot in ultrasonic field ZHANG Li-hua(张立华)1, 2, YU Jun(余军)1, 2, ZHANG Xiao-ming(张晓明)1, 2 1. Key Laboratory of Modern Complex Equipment Design and Extreme Manufacturing......
Ultrasonic dissolution of brazing of 55% SiCp/A356 composites ZHANG Yang(张 洋), YAN Jiu-chun(闫久春), CHEN Xiao-guang(陈晓光), CUI Yan(崔 岩) State Key Laboratory of Advanced Welding Production Technology... was investigated. During the brazing process, ultrasonic vibrations were applied to samples for bonding and a significant dissolution of the filler metal into the matrix alloy in the base materials......