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本文主要叙述推力轴焊接法兰焊缝中裂纹形成的原因及其超声波检测方法。对较典型的裂纹回波特性作了分析,并与实样解剖结果作了对照。
This article describes the thrust shaft welding flange cracks in the formation of the causes and ultrasonic testing methods. The characteristics of the more typical crack echoes were analyzed and compared with the real anatomical results.