2020
DOI: 10.3390/met10091264
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Numerical Simulation and Multi-Objective Optimization of Partition Cooling in Hot Stamping of the Automotive B-Pillar Based on RSM and NSGA-II

Abstract: In this study, the simulation and optimization of the partition cooling in the hot stamping process was carried out for an automotive B-pillar through minimizing the maximum thickening rate and the maximum thinning rate located in the rapid and slow cooling zones. The optimization was implemented by investigating the process parameters such as friction coefficient, sheet austenitizing temperature, holding time, heating zone temperature, the upper binder force and the lower binder force. The optimal Latin hyper… Show more

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Cited by 11 publications
(7 citation statements)
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“…The analysis takes into account the thermal phenomena occurring at the contact of the blank and tools as well as those related to the heat transfer between the cooling channels and the tool. Similar analyses were shown in works [ 23 , 24 , 25 , 26 , 27 ], with attention paid to the methodology of optimal selection of dimensions and location of cooling channels with the use of genetic algorithms and the parameters of the process itself using the Taguchi method. Paper [ 28 ] presents the simulation results of the hot forming process together with the analysis of the flow of the cooling medium.…”
Section: Introductionsupporting
confidence: 66%
“…The analysis takes into account the thermal phenomena occurring at the contact of the blank and tools as well as those related to the heat transfer between the cooling channels and the tool. Similar analyses were shown in works [ 23 , 24 , 25 , 26 , 27 ], with attention paid to the methodology of optimal selection of dimensions and location of cooling channels with the use of genetic algorithms and the parameters of the process itself using the Taguchi method. Paper [ 28 ] presents the simulation results of the hot forming process together with the analysis of the flow of the cooling medium.…”
Section: Introductionsupporting
confidence: 66%
“…The signal-to-noise ratio is used to measure the proportion of a factor’s contribution to the results. The maximum thinning rate and maximum thickening rate in the forming result are used as the quality indicators of the formed parts [ 25 ]. The larger maximum thinning rate and the maximum thickening rate, the larger possibility of fracture and wrinkle defects, and they are calculated according to Equations (1) and (2).…”
Section: Resultsmentioning
confidence: 99%
“…The approach of using Multi-objective Evolutionary Algorithms (MOEA) to explore stamping parameters has been applied in some works in recent years [1] [10] [15]. The application of such algorithms aims to explore various scenarios previously impossible using numerical simulation methodology.…”
Section: Introductionmentioning
confidence: 99%