【摘要】 利用声发射探头接收的电弧超声信号进行焊缝跟踪检测。结果表明:对称位置接收到的声发射信号的相位差和幅值差可以作为电弧超声焊缝跟踪的依据。更多还原

【Abstract】 The arc-ultrasonic signal received by sonic emission probe is used for detecting seam tracing.The results show that the phase difference and the amplitude variation can be considered as the criteria of seam tracing.更多还原