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A comparison between single sided and double sided friction stir welded 8mm thick DH36 steel plate

机译：单面和双面摩擦搅拌焊接8mm厚DH36钢板的比较

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摘要

As part of an ongoing process to fully evaluate the potential for friction stir welding (FSW) to be used in the shipbuilding industry, a comparison has been made between two variants of the process. 8mm thick DH36 steel plate was friction stir welded using a single sided and a double sided process. An assessment of the processes was made to report on the resultant distortion behaviour, hardness, yield strength, toughness and microstructure. As a further comparison, additional work on 8mm thick submerged arc welded (SAW) DH36 plate has been included as the current shipbuilding benchmark. The overall process feasibility will be assessed including the issue of the requirement to rotate the workpiece through 180° to complete the second side of the double sided process.
机译：作为全面评估将在造船业中使用的搅拌摩擦焊（FSW）潜力的正在进行的过程的一部分，已对该过程的两个变体进行了比较。使用单面和双面工艺对8mm厚的DH36钢板进行摩擦搅拌焊接。对工艺进行了评估，以报告所产生的变形行为，硬度，屈服强度，韧性和微观结构。作为进一步的比较，在8毫米厚的埋弧焊（SAW）DH36板上进行的其他工作已作为当前的造船基准。将评估整个过程的可行性，包括要求将工件旋转180°以完成双面过程的第二面的问题。

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