工艺与制造英文2022被引 7
混合成型铝-FRP混合构件的有限元碰撞仿真建模
FE Crash Modeling of Aluminum-FRP Hybrid Components Manufactured by a Hybrid Forming Process
Saarvesh Jayakumar, Lorenz Stolz, Sharath Anand, Amir Hajdarevic, Xiang Fan Fang · University of Siegen
摘要整理
通过专利混合成型工艺，利用边缘密封压制工具可在一个工艺步骤内生成粘结的金属-塑料混合构件。该构件具有巨大的能量吸收潜力。为充分利用这一潜力，需要建立可靠的有限元模型，能够准确复现碰撞工况下复杂的材料层叠结构，包括各向同性金属层、极薄粘结层和各向异性玻纤毡增强热塑性塑料（GMT）层。本文提出了一套数值预测金属-GMT铝混合构件力学行为的方法论。通过三点弯曲和轴向碰撞两种工况的试验验证，证实了混合构件有限元模型的准确性和可靠性，为混合构件在汽车碰撞防护中的应用提供了理论支撑。
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