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首页> 外文期刊>Journal of Materials Engineering and Performance >Modeling and Simulation of a Donor Material Concept to Reduce Tool Wear in Friction Stir Welding of High-Strength Materials
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Modeling and Simulation of a Donor Material Concept to Reduce Tool Wear in Friction Stir Welding of High-Strength Materials

机译：用于减少高强度材料摩擦搅拌焊接中工具磨损的供体材料概念的建模和仿真

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摘要

This research proposes the "donor material" concept for reduction of tool's wear at the plunge phase by providing localized preheating at the plunge area using a softer material as a "donor." This process generates heat in a relatively soft "donor" material, which is transferred to the much harder workpiece material by conduction. This research includes several numerical simulations of the donor material concept with different donor materials and plain carbon steel as the workpiece. A Significant decreases in both axial force and contact pressure were observed when a donor material was used in the plunge area. The decreases in both axial force and contact pressure are very likely to contribute to decreasing tool's wear.
机译：这项研究提出了一种“供体材料”的概念，通过使用较软的材料作为“供体”，在浸入区域提供局部预热，从而减少了在浸入阶段的工具磨损。该过程在相对较软的“供体”材料中产生热量，该热量通过传导传递到硬度更高的工件材料上。这项研究包括使用不同的供体材料和以碳素钢为工件的供体材料概念的数个数值模拟。当在受浸区域使用供体材料时，观察到轴向力和接触压力均显着降低。轴向力和接触压力的降低很可能有助于降低工具的磨损。

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