超声波探伤技术的发展及在状态检修中的应用

The Development of Technique in Ultrasonic Detection of Defects and the Application of the Examine State

在电站设备的各类检修、寿命评估中,最经常和广泛应用的是超声波探伤技术。超声波探伤具有应用方便、适用性强、准确率高、易自动化等许多优点。介绍了超声波探伤技术中的裂纹检测方法,缺陷定量方法,损伤、劣化评价方法,以及评价和应用实例。

Detection of defects tecnic is wildly and usually used in all kinds of testing in power plant and life evaluation.It has a lot of benefit,such as very convenient,accurate,easy automation.Besides,this thesis introduced the testing way of crack in ultrasonic detection of defects technique,defect quantify method and evaluation and practicing examples.