Evolution of microstructure and phase composition of joints with ultrasonic-assisted resistance brazing
Wu, Weijie1; Yu, Weiyuan1; Sun, Xuemin1; Wu, Baolei1; Wang, Yanhong2
2020-03-25
Source PublicationSCIENCE AND TECHNOLOGY OF WELDING AND JOINING
ISSN1362-1718
AbstractZn-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.
KeywordAluminium alloy ultrasonic vibration grain refinement eutectoid alpha-Al phase composition microstructure evolution
DOI10.1080/13621718.2020.1744329
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51465032]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000524081100001
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/64316
Collection土木工程学院
省部共建有色金属先进加工与再利用国家重点实验室
实验室建设与管理处
Corresponding AuthorYu, Weiyuan
Affiliation1.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
First Author AffilicationState Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
Corresponding Author AffilicationState Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
First Signature AffilicationState Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
Recommended Citation
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.
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.
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 (2020).
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