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Fatigue behaviour of FSW and MIG weldments for two aluminium alloys

机译:两种铝合金的FSW和MIG焊件的疲劳行为

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摘要

The increasing use of aluminium alloys in transportation, such as railways, shipbuilding and aeronautics, calls for more efficient and reliable welding processes that would require more in depth understanding of fatigue failure. The objective of this work focuses on the contrasting difference of fatigue behaviour of joints made from the traditional process of metal inert gas (MIG) welding, and the emerging process of friction stir welding (FSW). Effort is made to relate the macroscopic mechanical behaviour to the microstructural feature of the weldments. (C) 2007 Elsevier Ltd. All rights reserved.
机译:越来越多的铝合金在诸如铁路,造船和航空等运输领域中使用,要求更加有效和可靠的焊接工艺,这需要对疲劳失效有更深入的了解。这项工作的目标集中在由传统的金属惰性气体(MIG)焊接工艺和新兴的搅拌摩擦焊(FSW)工艺制成的接头的疲劳性能差异的对比上。努力使宏观机械性能与焊件的微观结构特征相关联。 (C)2007 Elsevier Ltd.保留所有权利。

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