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Influences of Welding Speed on Tensile Properties of Friction Stir Welded AZ61A Magnesium Alloy

机译:焊接速度对搅拌摩擦焊接AZ61A镁合金拉伸性能的影响

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摘要

This article reports the influences of welding speed on tensile properties of the friction stir welded AZ61A magnesium alloy. Five different welding speeds ranging from 30 to 150 mm/min were used to fabricate the joints. Tensile properties of the joints were evaluated and correlated with the stir zone microstructure and hardness. From this investigation, it is found that the joint fabricated with a welding speed of 90 mm/min exhibited the acceptable tensile properties compared to other joints. The formation of fine grains in the stir zone is the main reason for the higher hardness and acceptable tensile properties of these joints.
机译:本文报道了焊接速度对搅拌摩擦焊接AZ61A镁合金拉伸性能的影响。使用五种不同的焊接速度(范围从30到150 mm / min)来制造接头。评估了接头的拉伸性能,并将其与搅拌区的微观结构和硬度相关联。通过该研究发现,以90mm / min的焊接速度制造的接头与其他接头相比表现出可接受的拉伸性能。在搅拌区形成细晶粒是这些接头具有更高的硬度和可接受的拉伸性能的主要原因。

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