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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......
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friction stir welding[J]. Transactions of the China Welding Institution, 2012, 33( 5): 18-22. [5] 赵雪梅. 铝合金搅拌摩擦焊接头超声信号特征与质量评价方法[D]. 哈尔滨: 哈尔滨工业大学, 2010. ZHAO Xue-mei. Ultrasonic signal features and quality...): 225-228. LIU Song-ping, LIU Fei-fei, LI Le-gang, GUO En-ming, WANG Rui-chuan. Ultrasonic detection method of variable angle of incidence in friction stir welding [J]. Nondestructive Testing, 2006......
INVESTIGATION OF LASER BEAM WELDING PROCESS OF AZ61 MAGNESIUM-BASED ALLOY Z.J. Li1,H.Y. Wang1 (1.Industrial Center, Shenzhen Polytechnic, Shenzhen 518055, China) Abstract:Laser welding process of AZ61 magnesium alloys is investigated using a special CO2 laser experimental system. The effect of processing parameters including laser power, welding speed,and protection gas flow at the top......
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was conducted by ultrasound enhanced friction stir welding(USE-FSW). The power ultrasound was introduced into one of the metal sheets by an ultrasonic roll seam module synchronously to the FSW...Ultrasound enhanced friction stir welding of aluminum and steel:Process and properties of EN AW 6061/DC04-JointsMarco Thom?1,Guntram Wagner1,Benjamin Stra?2,Bernd Wolter21. Chair of Composites......
J. Cent. South Univ. (2018) 25: 1285-1294 DOI: https://doi.org/10.1007/s11771-018-3825-5 Effect of ultrasonic field on microstructure and mechanical properties of as-cast 7085 aluminum alloy ZOU... of an ultrasonic field on the microstructure and mechanical properties of 7085 aluminum alloy during solidification was investigated by optical microscopy, Vickers hardness test, tensile test, scanning electron......
" name="ChDivSummary">Novel hybrid refill friction stir spot welding(RFSSW) assisted with ultrasonic oscillation was introduced to 5A06 aluminum alloy joints. The metallographic structure and mechanical...Metallographic structure,mechanical properties,and process parameter optimization of 5A06 joints formed by ultrasonic-assisted refill friction stir spot weldingXin-bo Liu1,2,Feng-bin Qiao2,Li-jie......
electrodes are prepared by ion sputter technology. The optimum thickness of CZT contact electrode is 180 nm for the ultrasonic wire bonding. Furthermore, the bonding pressure and welding power have... and the welding time 20 ms. Key words: CdZnTe wafer; contact electrode; ultrasonic wire bonding; microstructure; orthogonal test ......
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