By design of orthogonal experiment, the sequence of technological parameters of friction welding which effects of tensile strength welding joint is friction pressure,pressure and friction time.

• 采用正交试验设计的方法得出,摩擦焊工艺参数中对接头抗拉强度的影响的顺序是摩擦压力、顶锻压力、摩擦时间。