Evolution of microstructure and phase composition of joints with ultrasonic-assisted resistance brazing
Wu, Weijie1; Yu, Weiyuan1; Sun, Xuemin1; Wu, Baolei1; Wang, Yanhong2
2020-08-17
发表期刊SCIENCE AND TECHNOLOGY OF WELDING AND JOINING
ISSN1362-1718
卷号25期号:6页码:476-482
摘要

Zn-2Al alloy is used as a filler metal for brazing of aluminium 6063 alloys by ultrasonic-assisted resistance brazing (RB) technology. The evolution of the microstructure and phase composition under the effects of the electric field and ultrasonic vibration were studied. The results show that ultrasonic cavitation can remove the existing oxide films effectively and inhibit element segregation, which help obtain joints with good metallurgical bonding. In comparison to RB joints, which exhibit a coarse dendritic structure, a uniform dendritic structure was obtained in the ultrasonic-assisted resistance joints. Furthermore, the combined electric and ultrasonic field has a significant effect on grain size and on dissolution during brazing. With the application of ultrasonic vibration, the diffusion between the base metal and the Zn-2Al filler metal intensifies.

关键词Aluminium alloy ultrasonic vibration grain refinement eutectoid alpha-Al phase composition microstructure evolution
DOI10.1080/13621718.2020.1744329
收录类别SCI ; SCIE ; EI
语种英语
资助项目National Natural Science Foundation of China[51465032]
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号WOS:000524081100001
出版者TAYLOR & FRANCIS LTD
EI入藏号20201308364959
EI主题词Electric brazing
EI分类号538.1.1 Soldering - 538.2 Welding - 541.2 Aluminum Alloys - 701.1 Electricity: Basic Concepts and Phenomena - 753.1 Ultrasonic Waves - 951 Materials Science
来源库WOS
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/64316
专题省部共建有色金属先进加工与再利用国家重点实验室
土木工程学院
实验室建设与管理处
通讯作者Yu, Weiyuan
作者单位1.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou, Gansu, Peoples R China;
2.Lanzhou Univ Technol, Coll Civil Engn, Lanzhou, Gansu, Peoples R China
第一作者单位省部共建有色金属先进加工与再利用国家重点实验室
通讯作者单位省部共建有色金属先进加工与再利用国家重点实验室
第一作者的第一单位省部共建有色金属先进加工与再利用国家重点实验室
推荐引用方式
GB/T 7714
Wu, Weijie,Yu, Weiyuan,Sun, Xuemin,et al. Evolution of microstructure and phase composition of joints with ultrasonic-assisted resistance brazing[J]. SCIENCE AND TECHNOLOGY OF WELDING AND JOINING,2020,25(6):476-482.
APA Wu, Weijie,Yu, Weiyuan,Sun, Xuemin,Wu, Baolei,&Wang, Yanhong.(2020).Evolution of microstructure and phase composition of joints with ultrasonic-assisted resistance brazing.SCIENCE AND TECHNOLOGY OF WELDING AND JOINING,25(6),476-482.
MLA Wu, Weijie,et al."Evolution of microstructure and phase composition of joints with ultrasonic-assisted resistance brazing".SCIENCE AND TECHNOLOGY OF WELDING AND JOINING 25.6(2020):476-482.
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