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董晓传,倪炀,曲周德,韩俊超,周正.基于响应面法的挡风梁冲压回弹预测模型[J].稀有金属材料与工程(英文),2021,50(5):1611~1616.[Dong Xiaochuan,Ni Yang,Qu Zhoude,Han Junchao and Zhou Zheng.Prediction Model of Punching Springback of Windshield Beam Based on Response Surface Method[J].Rare Metal Materials and Engineering,2021,50(5):1611~1616.]
Prediction Model of Punching Springback of Windshield Beam Based on Response Surface Method
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Received:July 13, 2020  
DOI:
Key words: 5182 aluminum alloy  numerical simulation  springback prediction  response surface model
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Dong Xiaochuan,Ni Yang,Qu Zhoude,Han Junchao and Zhou Zheng  
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Abstract:
      Considering the springback of 5182 aluminum alloy wind beam as the research object, the real stress-strain curves of 5182 aluminum alloy sheet under different rolling directions and strain rates were obtained through one-way tensile test, and introduced into the numerical simulation mode. The influence of sheet metal forming speed, die clearance, and friction coefficient on the springback of 5182 aluminum alloy windshield beams was studied and the formation mechanisms were analyzed. According to the response surface method, the prediction model of 5182 aluminum alloy windshield beam springback was established. The prediction model was verified by experiments under different conditions. The research provides a new method for the analysis of aluminum alloy sheet springback.