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首页> 外文期刊>International Journal of Microstructure and Materials Properties >Effect of welding speed and tool pin profile on tensile properties of friction stir welded AA6061 aluminium alloy
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Effect of welding speed and tool pin profile on tensile properties of friction stir welded AA6061 aluminium alloy

机译：焊接速度和工具销轮廓对搅拌摩擦焊接AA6061铝合金拉伸性能的影响

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摘要

Friction stir welding (FSW) process is an emerging solid state joining process in which the material that is being welded docs not melt and recast. The welding parameters, such as tool rotational speed, welding speed, axial force, etc., and tool pin profile play a major role in deciding the weld quality. In this investigation, an attempt has been made to understand the effect of welding speed and tool pin profile on tensile properties of friction stir welded AA6061 aluminium alloy. Five different tool pin profiles have been used to fabricate the joints at five different welding speeds. Tensile properties of the joints have been evaluated using universal testing machine. Macro- and microstructures of the FSW joints have been analysed using optical microscope. Microhardness testing machine has been used to measure the friction stir processed (FSP) zone hardness. From this investigation, it is found that the joints fabricated by square pin profiled tool exhibited superior tensile properties compared to other joints.
机译：搅拌摩擦焊（FSW）工艺是一种新兴的固态连接工艺，在这种工艺中，被焊接的材料不会熔化并重铸。焊接参数（例如工具转速，焊接速度，轴向力等）以及工具销轮廓在决定焊接质量方面起着重要作用。在这项研究中，试图了解焊接速度和工具销轮廓对搅拌摩擦焊接AA6061铝合金的拉伸性能的影响。五种不同的工具销轮廓已用于以五种不同的焊接速度制造接头。接头的拉伸性能已使用通用测试机进行了评估。 FSW接头的宏观和微观结构已使用光学显微镜进行了分析。显微硬度测试机已用于测量搅拌摩擦加工（FSP）区的硬度。从这项调查中发现，与其他接头相比，用方形销钉成型工具制造的接头表现出优异的拉伸性能。

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