Evidence map›Paper›PMID 41787041›Full record

ArticleScientific reports2026

Microstructure and mechanical properties of (Mg, Ce)-modified Al-7.5Si-15Cu-5Zn brazing joints on 5083 aluminum alloy.

Yan Wang, Yuechao Zhuo, Zhe Sun, Conghui Zhang, Yonglin Zhao, Bingyuan Han, Yuxiang Liu

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Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Yan WangSchool of Civil Engineering and Transportation, Northeast Forestry University, Harbin, 150040, China.
Yuechao ZhuoSchool of Automotive and Traffic Engineering, Jiangsu University of Technology, Chang Zhou, 213001, China.
Zhe SunNational Key Laboratory for Remanufacturing, Beijing, 100072, China.
Conghui ZhangHubei Provincial Key Laboratory of Automotive Power Transmission and Electronic Control, Shiyan, 442002, China.
Yonglin ZhaoHubei Provincial Key Laboratory of Automotive Power Transmission and Electronic Control, Shiyan, 442002, China. zhaoyonglin0428@163.com.
Bingyuan HanHubei Provincial Key Laboratory of Automotive Power Transmission and Electronic Control, Shiyan, 442002, China.
Yuxiang LiuResearch Centre for Laser Extreme Manufacturing, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China. liuyuxiang@nimte.ac.cn.

Funding

Doctoral Scientific Research Foundation of Hubei University of Automotive Technology BK202482Foundation of Research Project of China 50904010201
6 · The paper itself

Abstract

This study investigated the microstructural evolution of Al-7.5Si-15Cu-5Zn brazing alloys modified by adding 0.5 wt.% Mg and xCe (x = 0.05, 0.1, 0.2, 0.3, 0.4 wt.%) . The mechanical properties of the corresponding brazing joints on 5083 aluminum alloy were measured with the aid of first-principle calculations. Results show that Mg and Ce elements refine the microstructure of Al-7.5Si-15Cu-5Zn brazing alloys by changing the morphology of the intermetallic phases. There is an interface zone between the brazing alloy and the base alloy in the joints and the thickness of interface zone evolves with the Mg addition and Ce contents. The virtual crystal approximation (VCA) method predicts the best mechanical properties of the joints using Al-7.5Si-15Cu-5Zn-0.5 Mg-0.2Ce brazing alloy, exhibiting the measured tensile strength, elongation and microhardness of 261.14 MPa, 11.95% and 194.6 HV0.2, respectively. Compared to the base brazing alloy without Mg and Ce additions, the tensile strength is increased by 42% and the elongation is improved by 47%.

Indexed as

Aluminum alloy brazingBrazed jointsFirst-principles calculationMechanical propertiesMicrostructure and phases

Identifiers

PMID41787041
PMCPMC13076904

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