Due to the high strength to the weight ratio and the ability to form the desired shape, AA2017 is extensively used in the automobile industry. The ability to join with other aluminum alloys and the capability to respond to the heat treatment creates opportunities for the engineers to join AA2017 and AA6061 blanks using friction stir welding. Controlling process parameters is a challenge and optimization of tool pin geometry, axial force, tool rotational speed, welding speed, and tool tilt angle will influence the mechanical and metallurgical properties of the tailor welded joints. Three different tool rotational speeds, welding speeds, and tool tilt angles were used to fabricate tailor welded blanks joints. The ultimate tensile strength and tensile elongation of tailor welded joints were predicted using mathematical regression models, and the models were validated with the experimental results. Tailor welded joints were tested to study the effects of these three parameters on the ultimate tensile strength and tensile elongation. Results obtained gained a clear perspective of process parameters on joints with optimal mechanical properties.

由于高强度重量比和形成所需形状的能力，AA2017 广泛用于汽车行业。与其他铝合金连接的能力和对热处理的响应能力为工程师使用搅拌摩擦焊连接 AA2017 和 AA6061 坯料创造了机会。控制工艺参数是一项挑战，工具销几何形状、轴向力、工具转速、焊接速度和工具倾斜角的优化将影响拼焊接头的机械和冶金性能。使用三种不同的工具旋转速度、焊接速度和工具倾斜角来制造拼焊毛坯接头。利用数学回归模型预测拼焊接头的极限抗拉强度和拉伸伸长率，并用实验结果对模型进行了验证。对裁缝焊接接头进行了测试，以研究这三个参数对极限拉伸强度和拉伸伸长率的影响。获得的结果清楚地了解了具有最佳机械性能的接头的工艺参数。