Development of tribo-simulator for hot stamping |
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| Authors: | A Yanagida T Kurihara A Azushima |
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| Affiliation: | 1. Mechanical Engineering Department, Industrial Engineering Faculty, University of Castilla-La Mancha, 02071 Albacete, Spain;2. Regional Developmen Institute, Material Science and Engineering, University of Castilla-La Mancha, 02071 Albacete, Spain;1. Dalian University of Technology, School of Automotive Engineering, State Key Lab of Structural Analysis for Industrial Equipment, Dalian 116024, China;2. Hefei University of Technology, Heduan Research Institute, Hefei 230601, China;1. Institute for Frontier Materials, Deakin University, Geelong, VIC 3217, Australia;2. School of Engineering, Deakin University, Geelong, VIC 3217, Australia;1. Department of Aerospace and Mechanical Engineering, University of Liège, Belgium;2. Department of Wind Energy, Technical University of Denmark, 2800 Lyngby, Denmark;3. ArcelorMittal Global R&D, Maizières-les-Metz, France;1. Illinois Institute of Technology, 3300 So. Federal Street, Chicago, 60616, USA;2. University of New Hampshire, 105 Main Street, Durham, 03824, USA |
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| Abstract: | Coefficients of friction were measured at elevated temperatures using a hot flat strip drawing test machine newly developed by the authors for the purpose of confirming the coefficients of friction used for the FEM simulation of hot stamping. To examine the functions of the tribo-simulator, the coefficients of friction are measured using hot rolling oil with an emulsion, which is supplied continuously, while varying the drawing speed, drawing pressure and temperature. From the experimental results, it was shown that the coefficient of friction in hot stamping can be measured using this tribo-simulator. The measured coefficients of friction can be used as values in the FEM simulation of hot stamping. Moreover, the tribological behavior at the interface between the die and strip in hot stamping can be evaluated from the coefficient of friction, because it is one of the quantitative values used to represent the tribological behavior between the die and blank. |
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