Evaluation of Plastic Deformation During Metal Forming by Using Lode Parameter |
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| Authors: | Feng Li Li Liang Wang Shi Jian Yuan Xiao Song Wang |
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| Affiliation: | (1) College of Materials Science & Engineering, Harbin University of Science and Technology, No. 4 Lin Yuan Street, P.O. Box 317, Harbin, 150040, China;(2) Department of Materials Science and Engineering, Delft University of Technology, Mekelweg 2, 2628 CD Delft, The Netherlands;(3) School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 15001, China |
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| Abstract: | In the present research, the relationship between the strain increment and Lode parameter was obtained by using Lode parameter and Levy-Mises equation. The quantitative relation between different strain increments was presented and the relationship between plastic deformation types and Lode parameter was demonstrated. The relations between plastic deformation types and stress states were revealed and they were applied into typical metal forming process. The strain types in the workpiece were analyzed based on the numerical visualization of the values of Lode parameter. This research reveals the important role of the Lode parameter in the analysis of metal flow behavior during metal forming process. |
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