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Wall thickness distribution of Cu-Al bimetallic tube based on free bending process
Guo, Xunzhong; Wei, Wenbin; Xu, Yong; Abd El-Aty, Ali; Liu, Hai; Wang, Hui; Luo, Xinyi; Tao, Jie
2019
Source PublicationINTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
ISSN0020-7403
Volume150Pages:12-19
AbstractIn this study, we focused on bimetallic tube comprising copper and aluminum (Cu-Al) and proposed a theoretical model of its wall thickness distribution by the free bending technology. Compared to the single metal tube, the minimum thickness of the copper tube is smaller than the minimum thickness of the copper layer in the Cu-Al bimetallic tube, whereas the minimum thickness of the aluminum tube is greater than that of the Cu-Al bimetallic tube under different bending radii; the maximum wall thickness of the copper tube is larger than that of the copper layer in the Cu-Al bimetallic tube, whereas the maximum wall thickness of the aluminum tube is smaller than that of the aluminum layer in the Cu-Al bimetallic tube. Further, the reliability of the proposed theoretical model was verified by finite element simulation and experiments. Both of these results showed that the wall thickness distribution of the bimetallic layer of the metal tube tends to be more uniform. The offset rule of the strain neutral layer of Cu-Al bimetallic tube in the free bending process was also revealed. Moreover, the difference between the U-R curve of the Cu-Al bimetallic tube and the single metal tube was also investigated, and the results indicated that the U-R curve of the Cu-Al bimetallic tube is roughly located between the U-R curves of copper and aluminum.
KeywordFree bending Bimetallic tube Finite element analysis Strain neutral layer U-R curve Wall thickness distribution
Indexed BySCI
Language英语
WOS IDWOS:000458597800002
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81483
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Guo, Xunzhong,Wei, Wenbin,Xu, Yong,et al. Wall thickness distribution of Cu-Al bimetallic tube based on free bending process[J]. INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES,2019,150:12-19.
APA Guo, Xunzhong.,Wei, Wenbin.,Xu, Yong.,Abd El-Aty, Ali.,Liu, Hai.,...&Tao, Jie.(2019).Wall thickness distribution of Cu-Al bimetallic tube based on free bending process.INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES,150,12-19.
MLA Guo, Xunzhong,et al."Wall thickness distribution of Cu-Al bimetallic tube based on free bending process".INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES 150(2019):12-19.
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