机译:超细晶粒钢的超声波喷丸改善焊接接头的疲劳强度
Central Iron and Steel Research Institute, Beijing 100081, China;
Central Iron and Steel Research Institute, Beijing 100081, China;
Central Iron and Steel Research Institute, Beijing 100081, China;
Central Iron and Steel Research Institute, Beijing 100081, China;
ultrasonic treatment; fatigue strength; ultra-fine grain steel; stress concentration; residual stress;