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首页> 外文期刊>Journal of Materials Engineering and Performance >Modeling the Failure Behavior of Self-Piercing Riveting Joints of 6xxx Aluminum Alloy
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Modeling the Failure Behavior of Self-Piercing Riveting Joints of 6xxx Aluminum Alloy

机译：塑造6xxx铝合金自刺铆接关节的故障行为

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摘要

Self-piercing riveting (SPR) is a mechanical joining process which is applied for joining similar and dissimilar lightweight materials in modern car body manufacturing. For qualifying SPR joints, cross sections must be investigated with respect to predefined quality features. Thus, numerous tests must be carried out in order to determine the maximum load capacity of SPR joints for different load angles. The growing number of materials used for the body-in-white requires a reliable and time efficient routine for predicting the joining behavior and the load capacity of SPR joints. In this study, the load capacity of three SPR joints was investigated numerically and experimentally using so-called KS2 samples. The results of axisymmetric two-dimensional finite element simulations (Honsch et al in J Phys Conf Ser 1063:1-6, 2018) are the basis for three-dimensional simulations of the destructive testing procedure. The experimental setup of destructive testing was modeled using the FE software Simufact Forming 15. The numerically determined load capacity was validated with experimental data. Comparing the failure modes and the force-displacement curves revealed good agreement of simulations and experiments. Therefore, the presented simulation is a powerful tool for predicting the behavior of SPR joints under different load cases.
机译：自刺穿铆接（SPR）是一种机械连接过程，应用于在现代车身制造中加入类似和不同的轻质材料。对于合格的SPR关节，必须针对预定义的质量特征来调查横截面。因此，必须进行许多测试，以便确定用于不同负载角度的SPR接头的最大负载能力。用于身体空白的越来越多的材料需要可靠和时间的有效例程，以预测加入行为和SPR接头的负载能力。在这项研究中，使用所谓的KS2样品在数值和实验上进行了三种SCR接头的负载能力。轴对称二维有限元模拟的结果（J Phys Confer 1063：1-6,2018中的Honsch等人）是破坏性测试程序的三维模拟的基础。使用FE软件Simufact 25建模的破坏性测试的实验设置。用实验数据验证了数值确定的负载能力。比较失败模式和力 - 位移曲线揭示了模拟和实验的良好吻合。因此，所提出的仿真是一种强大的工具，用于预测不同载荷情况下SPR关节的行为。

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