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Research on hydroforming through combination of internal and external pressures for manufacturing the structure of double-layer tube with gap
Zhu, Hong-Liang1,2; Xu, Yong1,2; Chen, Wei-Jin1,2; Zhang, Shi-Hong1,2; Banabic, Dorel3; Lazarescu, Lucian3; Pokrovsky, Artur, I4
Corresponding AuthorXu, Yong(yxu@imr.ac.cn)
2022-07-01
Source PublicationINTERNATIONAL JOURNAL OF MATERIAL FORMING
ISSN1960-6206
Volume15Issue:4Pages:16
AbstractAccording to the current development of commercial vehicles, a novel structure of the double-layer exhaust pipe with gap was designed. Hydroforming through the combination of internal and external pressures (HIEP) was proposed to form the complex structure of the new exhaust pipe. The double-layer tube without gap was used as the initial tube blank. High-pressure liquid was introduced into the inner tube and between the two tubes. The outer tube would bulge outward and fit the die cavity as its inner surface was subjected to hydraulic pressure. Meanwhile, the inner tube would not deform due to both the inner and outer surfaces were subjected to hydraulic pressure. In addition, before the HIEP, it is necessary to pre-bend the double-layer tube. The feasibility of the process was analyzed by numerical simulation. The process parameters were optimized by response surface methodology (RSM). The objective functions such as the maximum thinning rate, unevenness of wall thickness and gap dispersion were established in RSM models, whose accuracy was verified by a statistical method of analysis of variance. Subsequently, the die of HIEP was designed and developed. The verification experiments were carried out and the double-layer exhaust pipe with gap was successfully manufactured.
KeywordExhaust pipe Gap Hydroforming Response surface methodology Tube bending
Funding OrganizationNational Natural Science Foundation of China ; Youth Innovation Promotion Association CAS
DOI10.1007/s12289-022-01699-z
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51875548] ; National Natural Science Foundation of China[52111530293] ; Youth Innovation Promotion Association CAS[2019195]
WOS Research AreaEngineering ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectEngineering, Manufacturing ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000812895000001
PublisherSPRINGER FRANCE
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/174333
Collection中国科学院金属研究所
Corresponding AuthorXu, Yong
Affiliation1.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
3.Tech Univ Cluj Napoca, Cluj Napoca 400641, Romania
4.Natl Acad Sci Belarus, Phys Tech Inst, Minsk 220141, BELARUS
Recommended Citation
GB/T 7714
Zhu, Hong-Liang,Xu, Yong,Chen, Wei-Jin,et al. Research on hydroforming through combination of internal and external pressures for manufacturing the structure of double-layer tube with gap[J]. INTERNATIONAL JOURNAL OF MATERIAL FORMING,2022,15(4):16.
APA Zhu, Hong-Liang.,Xu, Yong.,Chen, Wei-Jin.,Zhang, Shi-Hong.,Banabic, Dorel.,...&Pokrovsky, Artur, I.(2022).Research on hydroforming through combination of internal and external pressures for manufacturing the structure of double-layer tube with gap.INTERNATIONAL JOURNAL OF MATERIAL FORMING,15(4),16.
MLA Zhu, Hong-Liang,et al."Research on hydroforming through combination of internal and external pressures for manufacturing the structure of double-layer tube with gap".INTERNATIONAL JOURNAL OF MATERIAL FORMING 15.4(2022):16.
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