提出了一种基于数学形态学的飞机蒙皮裂纹磁光图像检测方法。
A method for aircraft skin crack defects detection based on mathematical morphology is posed.
介绍了磁粉检测、渗透检测、涡流检测、射线检测和超声波检测技术在焊接裂纹检测中的应用状况。
The application status of magnetic particle testing, penetrant testing, eddy current testing, radiographic testing and ultrasonic testing in weld crack inspector were introduced.
荧光磁粉探伤是一种常用的无损检测方法，是控制产品质量的重要手段，用于检测钢制零件的表面及近表面的裂纹缺陷。
Fluorescent magnetic particle detection is a NDT method that often is used for testing trivial flaws on the surface of some steel workpiece and for controlling qualities of product.
金属磁记忆检测技术是能够对焊接裂纹进行早期诊断的最具有潜力的无损检测方法之一。
Metal magnetic memory(MMM) is one of the most potential non-destructive testing methods which can diagnose welding crack in early stage.
现场检测表明，利用一阶微分处理后的磁记忆信号定位特征，可准确地对焊接裂纹进行检测。
Spot inspection indicates that the welding cracks can be evaluated exactly by the location feature of derivative MMM signal.
目前常用的基于漏磁原理的裂纹检测和基于超声波原理的裂纹检测是在役管道检测主要的研究方向。
At present based on the current common principles were magnetic ultrasonic flaw detection and based on the principles of service flaw detection in the detection major research direction.
荧光磁粉探伤是一种常用的无损检测方法，用于检测钢制零件的表面及近表面的裂纹缺陷，长期以来一直被认为是表面裂纹检测最灵敏的方法之一。
Fluorescent magnetic particle detection is a NDT method that often used for testing trivial flaws on the surface of ferromagnetic materials in order to control the qualities of product.
结论用变频扫描励磁方法进行裂纹定量检测可提高检测的可靠性。
Conclusion For the quantitative measurement of cracks. The reliability of inspection can be improved by using the way of changed frequency scan.
荧光磁粉检测是一种常用的无损检测方法，用于检测钢制零件的表面及近表面的裂纹缺陷，长期以来一直被认为是表面裂纹检测最灵敏的方法之一。
Fluorescent magnetic particle testing is a NDT method that often used for testing trivial flaws on the surface of ferromagnetic materials in order to control the qualities of product.
目前，对防喷器等井控装置检测内部缺陷主要采用超声波、磁探、渗透等常规检测以及进行耐压试验，难以发现和判定已有裂纹的扩展。
At the present, defects inside a BOP are mainly inspected by conventional methods, such as UT, MT, PT, etc. and it bears a pressure test.
目前，对防喷器等井控装置检测内部缺陷主要采用超声波、磁探、渗透等常规检测以及进行耐压试验，难以发现和判定已有裂纹的扩展。
At the present, defects inside a BOP are mainly inspected by conventional methods, such as UT, MT, PT, etc. and it bears a pressure test.
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