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介绍了声发射技术的基本原理及声发射技术中信号处理的各种分析方法,并对不同材质和不同焊接工艺条件下的焊接接头的AE信号进行了采集和分析,发现/证实了一些对深入研究焊接裂纹AE的形成机理具有重要意义的现象和规律。
The basic principles of acoustic emission technology and various analysis methods of signal processing in acoustic emission technology are introduced. AE signals of welded joints under different materials and different welding conditions are collected and analyzed, and some evidences of in-depth It is of great significance to study the formation mechanism of welding crack AE.