This paper introduces an impact elastic-wave based NDT method suitable for detection of such deep cracks.
本文提出了一种基于冲击弹性波的无损检测技术（简称表面波法）。
Conventional ultrasonic NDT method is quite incompetence for the surface fatigue crack testing of in service rotary shaft.
采用常规超声检测方法对在役转轴表面疲劳裂纹检测的效果很差。
Test specimens shall be taken after all non-destructive testing (NDT) has been carried out and which has passed the relevant inspection criteria for the NDT method(s) used.
试样的截取应在所有非破坏性试验（NDT）已经完成并已经通过所用NDT方法的相关检查依据后进行。
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.
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 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.
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 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.
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。
Acoustic emission (AE) technique has been applied to metallic and concrete structures as a nondestructive testing (NDT) method for detection of internal cracks.
声发射技术已经应用于金属和混凝土结构中，作为探测内部裂缝的一种无损检测方法。
Reliability assessment method for NDT is described on the basis of analyzing the factors affecting the reliability of NDT. The way to improve the reliability is also given.
在分析影响无损检测可靠性因素基础上，介绍了无损检测可靠性的评估方法及提高无损检测可靠性的途径。
NDT is the primary method to check the structures and weld joints.
无损探伤是对结构和焊接接头进行检验的主要手段。
This method can be used for ultrasonic NDT in a multilayered medium, for example cement bond log.
这种方法能用于多层介质中超声无损检测。
So the quality of neutron radiograph and, relevant products under NDT can be well controlled. The method to estimate total indistinctness of is also introduced.
由此可以更好地控制中子照相的质量，即更好地控制产品的质量，同时还介绍了中子照相总不清晰度的估算方法。
Considering laser scanning technique, infrared method and electronic technology, studied and designed a set of infrared NDT system with laser scanning automatic heat loading method in this paper.
本文以激光扫描技术、红外技术及电子技术为基础，研究并设计了一套激光扫描自动热激励红外无损检测系统。
Metal magnetic memory technology (MMMT) is new nondestructive testing (NDT) method that can detect the hidden damage in ferromagnetic component early and avoid component-tired damage happen abruptly.
金属磁记忆检测技术是对铁磁设备部件隐性损伤进行早期诊断，防止部件突发性疲劳破损的一种无损检测新技术。
Metal magnetic memory technology (MMMT) is new nondestructive testing (NDT) method that can detect the hidden damage in ferromagnetic component early and avoid component-tired damage happen abruptly.
金属磁记忆检测技术是对铁磁设备部件隐性损伤进行早期诊断，防止部件突发性疲劳破损的一种无损检测新技术。
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