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Ultrasonic characterization of modified Cr2O3 coatings by reflection coefficient spectroscopy LI Ji-cheng(李继承)1, LIN Li (林 莉)1, LI Xi-meng(李喜孟)1, LI Guang(李 光)2, LEI Ming-kai(雷明凯)3 1...; Abstract: Pores, microcracks and density of plasma sprayed Cr2O3 coatings before and after high-intensity pulsed ion beam (HIPIB) irradiation were investigated using the ultrasonic......
apparatus of ultrasonic impact during TIG welding 表1 母材和焊丝化学成分 Table 1 Chemical compositions of base metal and filler metal 表2 TIG焊接电源参数 Table 2 Parameters of TIG welding power 表3... of ultrasonic impact during TIG welding on microstructures of longitudinal section for welded joint of 2A14 aluminum alloy 2.2 超声冲击对焊接接头拉伸性能的影响 在2A14铝合金TIG焊接的过程中,施加超声冲击前后焊接接头显微组织发生了明显的变化,显微组织的变化肯定会......
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......
Manufacturing, Changsha 410083, China) Abstract: To investigate the effect of ultrasonic assisted friction stir welding (UAFSW) on residual stress of weld line, 1.8 mm thick 2024-T4 aluminum alloy plates were welded by UAFSW with 20 kHz ultrasonic, and the residual stress of UAFSW was measured by X-ray diffraction and compared with that of friction stir welding (FSW) under the same process parameters......
effect 1 Introduction Nowadays ultrasonic vibration has been widely used in metallurgy, welding, machinery, food processing and chemical industry. Lots of researches on ultrasonic vibration assisted...Trans. Nonferrous Met. Soc. China 25(2015) 2352-2360 Forming mechanism of ultrasonic vibration assisted compression Xin-cun ZHUANG, Jia-peng WANG, Huan ZHENG, Zhen ZHAO Institute of Forming......
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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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