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首页> 外文期刊>Proceedings of the Institution of Mechanical Engineers. Part L, Journal of Materials: Design and Application >Friction stir welding of aluminium alloys: An overview of experimental findings - Process, variables, development and applications
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Friction stir welding of aluminium alloys: An overview of experimental findings - Process, variables, development and applications

机译：铝合金摩擦搅拌焊接：实验结果概述 - 过程，变量，开发和应用

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摘要

The never ending appetite of the mankind to produce more and more competitive products results in continuous development of newer and newer manufacturing processes. One of such a kind, a solid state welding process highly appreciated for joining of a variety of aluminium and copper alloys, is friction stir welding. The process is also an accomplished method for joining dissimilar materials efficiently. The process finds its major application for joining hard-to-weld metals, especially the precipitation hardenable aluminium alloys and is widely adopted by industries for the welding of such aluminium alloys. However, the process has still not found an economical way for welding of steels and hence found limited applications in industries for welding steels. This paper aims at providing a comprehensive review of the work undertaken in the field of friction stir welding and provides an insight into the friction stir welding of aluminium alloys. The article pays critical attention and analytical evaluation of classification of aluminium alloys, friction stir welding process parameters, the mechanical testing and properties of the friction stir welding joints, macrostructure and microstructure evolution during friction stir welding, friction stir welding defects and industrial applications of the process. The friction stir welding process variants are discussed as well. Special accentuation has been given to (i) effect of friction stir welding parameters on the microstructure evolved and thus the ultimate mechanical properties (viz. tensile strength, hardness, fatigue strength, fracture toughness and residual stresses), (ii) the texture formation, microstructure refinement and the role of intermetallics. However, studies related to welding of dissimilar aluminium alloys, temperature, and heat transfer modeling and material flow are out of the scope of this paper. Finally, the directions of future research are examined.
机译：人类永不结束的胃口生产越来越多的竞争产品导致较新的制造过程的持续发展。这种类型的一种，对于加入各种铝和铜合金的高度赞赏的固态焊接过程是摩擦搅拌焊接。该方法还是有效地加入异种材料的完成方法。该方法发现其用于加入焊接金属的主要应用，尤其是沉淀可硬化的铝合金，并且由这种铝合金焊接的行业广泛采用。然而，该过程仍未发现钢材焊接的经济方法，因此在焊接钢的行业中找到了有限的应用。本文旨在提供对摩擦搅拌焊接领域所采用的工作的全面审查，并对铝合金的摩擦搅拌焊接进行了深入探讨。本文支付铝合金分类的关键关注和分析评估，摩擦搅拌焊接工艺参数，摩擦搅拌接头的机械测试和性能，摩擦搅拌焊接期间的摩擦搅拌焊接，摩擦搅拌焊接缺陷和工业应用过程。还讨论了摩擦搅拌焊接工艺变体。特殊的突发事件（i）摩擦搅拌焊接参数对微观结构的影响，因此是最终的机械性能（张力强度，硬度，疲劳强度，断裂韧性和残余应力），（ii）纹理形成，微观结构细化与金属间的作用。然而，与不同的铝合金焊接有关的研究，温度和传热建模和材料流动的范围是本文的范围。最后，检查了未来研究的方向。

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