IMR OpenIR
U-R relationship prediction method for aluminum alloy circular tube free-bending process based on sensitivity analysis of material parameters
Guo, Xunzhong1; Xiong, Hao1; Xu, Yong2,3; Abd El-Aty, Ali2; Ma, Yannan1; Zhao, Yonghao3; Zhang, Shihong2
Corresponding AuthorXu, Yong(yxu@imr.ac.cn)
2018-11-01
Source PublicationINTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
ISSN0268-3768
Volume99Issue:5-8Pages:1967-1977
AbstractThe bending radius (R) of the bending component is defined by the deflection (U) of the bending die in the tube free-bending process. The U-R relationship is the key factor to obtain the precise geometry size of the complex bending tubular components. Therefore, this study aims at proposing a new method to predict the U-R relationship for the arbitrary power hardening aluminum alloy (Al alloy) circular tube based on the U-R relationship of the reference material and the sensitivity analysis of material parameters, which may reduce many experimental works. In the current study, AA1100 alloy was set as the reference material, and the effects of each material parameter on the U-R relationship were investigated by carrying out the deformation and sensitivity analysis of the FEA simulation results. The results show that the bending radius increases with the decrease of elastic modulus (E), density (rho), and strain-hardening exponent (n) and the increase of strength coefficient (K) and initial yield stress (sigma(s)), where sigma(s) has the greatest influence on the U-R relationship. Moreover, the U-R relationship prediction method for arbitrary power hardening Al alloy circular tube was presented based on the sensitivity analysis of the reference material. Finally, the bending tests of the AA6061-T6 tubes were carried out to prove the accuracy of the U-R relationship prediction method. The bending results show that the experimental U-R relationship of the AA6061-T6 tube was consistent with the predicted value, and the prediction method had good applicability to power hardening Al alloy circular tube.
KeywordFree bending Material parameters U-R relationship Sensitivity analysis Power hardening aluminum alloy Prediction method
DOI10.1007/s00170-018-2614-5
Indexed BySCI
Language英语
WOS Research AreaAutomation & Control Systems ; Engineering
WOS SubjectAutomation & Control Systems ; Engineering, Manufacturing
WOS IDWOS:000447803800072
PublisherSPRINGER LONDON LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129822
Collection中国科学院金属研究所
Corresponding AuthorXu, Yong
Affiliation1.Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Nanjing 211100, Jiangsu, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
3.Nanjing Univ Sci & Technol, Sch Mat Sci & Engn, Nano & Heterogeneous Mat Ctr, Nanjing 210094, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Guo, Xunzhong,Xiong, Hao,Xu, Yong,et al. U-R relationship prediction method for aluminum alloy circular tube free-bending process based on sensitivity analysis of material parameters[J]. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY,2018,99(5-8):1967-1977.
APA Guo, Xunzhong.,Xiong, Hao.,Xu, Yong.,Abd El-Aty, Ali.,Ma, Yannan.,...&Zhang, Shihong.(2018).U-R relationship prediction method for aluminum alloy circular tube free-bending process based on sensitivity analysis of material parameters.INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY,99(5-8),1967-1977.
MLA Guo, Xunzhong,et al."U-R relationship prediction method for aluminum alloy circular tube free-bending process based on sensitivity analysis of material parameters".INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY 99.5-8(2018):1967-1977.
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