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Study on Nonuniform Deformation of Tailor Rolled Blank During Uniaxial Tension
Alternative TitleStudy on Nonuniform Deformation of Tailor Rolled Blank During Uniaxial Tension
Zhang HuaWei1; Liu XiangHua2; Liu LiZhong3; Hu Ping3; Wu JiaLu1
2015
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Volume28Issue:9Pages:1198-1204
AbstractThe deformation characteristics of tailor rolled blank (TRB) in the course of uniaxial tension were studied by means of analysis, test and simulation. The mechanical analytical model of TRB during uniaxial tension was set up, and the deformation formulae for the thinner side and for the thicker side were derived to quantify the deformation of TRB. On this basis, uniaxial tension tests on TRB and ordinary blanks (the thinner side and the thicker side of TRB) were conducted. Lagrange polynomial interpolation method was adopted to construct the stress-strain fields of unannealed and annealed TRBs for solving TRB material parameters, and then, uniaxial tension simulation on TRB was completed. Deformations and properties of unannealed TRB were compared with those of annealed TRB, and the thinner side and the thicker side were also compared. Finally, the research results were explained by metallurgical structure. The results show that nonuniform deformation happens in TRB during uniaxial tension, and the necking occurs on the thinner side. The agreement of analysis, test and simulation confirms the correctness of the analytical model and the deformation formulae. The findings of this paper can lay the foundation for the future study on TRB stamping formability and provide a way for TRB modeling.
Other AbstractThe deformation characteristics of tailor rolled blank (TRB) in the course of uniaxial tension were studied by means of analysis, test and simulation. The mechanical analytical model of TRB during uniaxial tension was set up, and the deformation formulae for the thinner side and for the thicker side were derived to quantify the deformation of TRB. On this basis, uniaxial tension tests on TRB and ordinary blanks (the thinner side and the thicker side of TRB) were conducted. Lagrange polynomial interpolation method was adopted to construct the stress–strain fields of unannealed and annealed TRBs for solving TRB material parameters, and then, uniaxial tension simulation on TRB was completed. Deformations and properties of unannealed TRB were compared with those of annealed TRB, and the thinner side and the thicker side were also compared. Finally, the research results were explained by metallurgical structure. The results show that nonuniform deformation happens in TRB during uniaxial tension, and the necking occurs on the thinner side. The agreement of analysis, test and simulation confirms the correctness of the analytical model and the deformation formulae. The findings of this paper can lay the foundation for the future study on TRB stamping formability and provide a way for TRB modeling.
KeywordTailor rolled blank (TRB) Nonuniform deformation Uniaxial tension Annealing Metallographical
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China] ; [Fundamental Research Funds for the Central Universities] ; [Science and Technology Research Project for Higher School of Hebei Province]
CSCD IDCSCD:5543518
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/155634
Collection中国科学院金属研究所
Affiliation1.东北大学
2.中国科学院金属研究所
3.大连大学
Recommended Citation
GB/T 7714
Zhang HuaWei,Liu XiangHua,Liu LiZhong,et al. Study on Nonuniform Deformation of Tailor Rolled Blank During Uniaxial Tension[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2015,28(9):1198-1204.
APA Zhang HuaWei,Liu XiangHua,Liu LiZhong,Hu Ping,&Wu JiaLu.(2015).Study on Nonuniform Deformation of Tailor Rolled Blank During Uniaxial Tension.ACTA METALLURGICA SINICA-ENGLISH LETTERS,28(9),1198-1204.
MLA Zhang HuaWei,et al."Study on Nonuniform Deformation of Tailor Rolled Blank During Uniaxial Tension".ACTA METALLURGICA SINICA-ENGLISH LETTERS 28.9(2015):1198-1204.
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