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首页> 外文期刊>SAE International Journal of Materials and Manufacturing >Measurements of Residual Stresses in Aluminum Wheels Using the Techniques of XRD, Strain Gages and FEA Simulation - A Comparison
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Measurements of Residual Stresses in Aluminum Wheels Using the Techniques of XRD, Strain Gages and FEA Simulation - A Comparison

机译：XRD，应变计和有限元分析技术对铝轮毂残余应力的测量

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Studying the formation and distribution of residual stress fields will improve the wheel safety operational criteria among other gains. Many engineering specifications, manufacturing procedures, inspection and quality control have begun to require that the residual stress of a particular component to be evaluated. It is known that these residual stress fields could be added to the effects of a system load (tare weight plus occupation of vehicle, traction, braking and torque combined). The mathematical tools for modeling and simulations using finite elements had evolved following the increasing computing power and hardware cost reduction. On the other hand, the experimental testing, offers specific physical component behavior and with the use of statistical tools, it is possible to predict the real behavior of the component when in operation. The experiments undertaken used the X-ray diffraction technique and the drilling method with rosette type strain gages. The experimental results were convergent with similarity to those obtained using FEA simulation over critical region for global and superficial in the principal stresses mode. The relevance of the present study and research on residual stresses meets safety improvements in car's wheel industry.
机译：研究残余应力场的形成和分布将改善车轮安全操作标准，尤其是获得其他收益。许多工程规范，制造程序，检查和质量控制已开始要求评估特定组件的残余应力。已知可以将这些残余应力场添加到系统负载（皮重加上车辆占用，牵引，制动和扭矩的总和）的影响中。随着计算能力的提高和硬件成本的降低，使用有限元进行建模和仿真的数学工具得到了发展。另一方面，实验测试提供了特定的物理组件行为，并且通过使用统计工具，可以预测组件在运行时的实际行为。进行的实验使用了X射线衍射技术和玫瑰花型应变计的钻孔方法。实验结果与在主应力模式下全局和表面关键区域的有限元模拟所获得的结果相似。本研究与残余应力研究的相关性满足了车轮行业的安全性改进要求。

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