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Formability analysis of hot-rolled dual-phase steel during the multistage stamping process of wheel disc
Chen, Weijin1,2,3; Song, Hongwu1; Lazarescu, Lucian4; Xu, Yong1; Zhang, Shi-Hong1; Banabic, Dorel4
Corresponding AuthorSong, Hongwu(hwsong@imr.ac.cn)
2020-09-01
Source PublicationINTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
ISSN0268-3768
Volume110Issue:5-6Pages:1563-1573
AbstractFor reduction of vehicle weight and higher fatigue property, the hot-rolled dual-phase steel 700DP was developed to produce wheel disc with multistage stamping process. The wheel disc is one critical component of wheel system whose forming precision is extensively concerned. The critical area of the part characterizes nonlinear strain path during the multistage stamping process, which makes it difficult to accurately evaluate the formability through standard forming limit curve (FLC) method. The concept of equivalent plastic strain was reported to be strain path independent. Hence, in this paper, the formability of 700DP steel was studied through tensile test, Nakazima test, and two-step nonlinear formability test. It was certified that the modeling using the equivalent plastic strain-based FLC (ep-FLC) had better agreement with the two-step nonlinear test results. Then based on current die shape, the feasibility of 700DP steel for wheel disc with three-stage stamping process was studied by finite element method (FEM) with both traditional FLC and ep-FLC. Furthermore, the corresponding experiments were conducted for validation. The results show that the location and critical condition for the occurrence of fracture can be more exactly predicted by the ep-FLC compared with the traditional FLC. The process parameters such as the radius of die corner were then optimized by the modeling analysis. Finally, the wheel disc was successfully manufactured with high precision and sound mechanical property.
KeywordHot-rolled dual-phase steel Formability during multistage stamping process The equivalent plastic strain-based FLC Fem Wheel disc
Funding OrganizationNational Natural Science Foundation of China, China
DOI10.1007/s00170-020-05963-x
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China, China[51875547]
WOS Research AreaAutomation & Control Systems ; Engineering
WOS SubjectAutomation & Control Systems ; Engineering, Manufacturing
WOS IDWOS:000562354100003
PublisherSPRINGER LONDON LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/140341
Collection中国科学院金属研究所
Corresponding AuthorSong, Hongwu
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
3.Baosteel Cent Res Inst, Meishan Technol Ctr, Nanjing 210039, Peoples R China
4.Tech Univ Cluj Napoca, Dept Mfg Engn, Cluj Napoca 400641, Romania
Recommended Citation
GB/T 7714
Chen, Weijin,Song, Hongwu,Lazarescu, Lucian,et al. Formability analysis of hot-rolled dual-phase steel during the multistage stamping process of wheel disc[J]. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY,2020,110(5-6):1563-1573.
APA Chen, Weijin,Song, Hongwu,Lazarescu, Lucian,Xu, Yong,Zhang, Shi-Hong,&Banabic, Dorel.(2020).Formability analysis of hot-rolled dual-phase steel during the multistage stamping process of wheel disc.INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY,110(5-6),1563-1573.
MLA Chen, Weijin,et al."Formability analysis of hot-rolled dual-phase steel during the multistage stamping process of wheel disc".INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY 110.5-6(2020):1563-1573.
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