此外，随着激光扫描速度的增大，熔覆层的残余应力和残余变形相应增大。
In addition, the residual stress and the residual distortion of clad coating will be augmented with the increase of laser scanning speed.
因此，优化焊接工艺参数是减小、控制焊接残余变形和残余应力一种有效手段。
Therefore, optimizing welding parameters was a valid means to minish and control welding residual stress and distortion.
根据不均匀的焊接温度场和施焊时焊接构件的刚性条件，可以认为焊接残余变形和残余应力是不可避免的。
According to the asymmetry welding temperature fields and the rigidity of component when welding, we could think it is inevitable that welding would bring remains-strain and remains-stress.
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