According to AE testing data of more than 500 pressure vessels, the characteristics of acoustic emission sources are listed and analyzed which could be encountered during field pressure vessel test.

• 通过对多台报废压力容器进行超压试验的声发射检测和对 5 0 0多台压力容器现场声发射检验数据的分析 ,给出了现场压力容器检验可能遇到的多种声发射源的特性。