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首页> 外文会议>International Conference on Processing amp; Manufacturing of Advanced Materials Pt.4; Jul 7-11, 2003; Leganes, Madrid, Spain >THERMOMECHANICAL CONDITIONS AND RESULTANT MICROSTRUCTURES IN FRICTION STIR WELDED 2024 ALUMINUM
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THERMOMECHANICAL CONDITIONS AND RESULTANT MICROSTRUCTURES IN FRICTION STIR WELDED 2024 ALUMINUM

机译：搅拌摩擦焊接2024铝的热力学条件和结果显微组织

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摘要

Based upon a thermomechanical simulation of the FSW process, this work highlights the development of the characteristic microstructures generated during the assembly in the affected zones. The analytical model developed in [2] has been improved by the use of a FE calculated velocity field enabling a description of the vertical flow of the bulk material subjected to the weld. Investigations using TEM and FEG-SEM have been carried out in the various weld zones to establish a global thermomechanical scenario of the latter. This history of the weld determines the microstructure characteristics previously described in the literature, and is also enriched by a study of the various precipitation states.
机译：基于FSW过程的热机械模拟，这项工作突出了在受影响区域进行组装期间生成的特征性微结构的发展。在文献[2]中开发的分析模型已经通过使用有限元计算的速度场进行了改进，从而能够描述经受焊接的散装材料的垂直流动。已经在各个焊接区中进行了使用TEM和FEG-SEM的研究，以建立后者的整体热力学方案。焊缝的这种历史决定了先前文献中描述的微观结构特征，并且通过研究各种析出状态也得到了丰富。

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