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- Laser ultrasonic testing 激光超声检测
- Phased Array testing is a specialized type of ultrasonic testing. 相控阵检测是一种特殊的超声检测技术。
- For ductile iron, is ultrasonic testing done for nodularity? 对于球铁,有超声测试吗?
- Ultrasonic testing technology is an economic and efficient NDT method. 超声检测是一种经济有效的无损检测手段。
- The principle and method of measuring the acoustic speed CVD diamond film with piezoelectric film detecting laser ultrasonic system are presented. 本文介绍了压电薄膜检测的激光超声系统对CVD金刚石膜声速测量的原理及方法。
- The outline,mechanism,application,reception of laser ultrasonic,as well as the equipment and the design of our ultrasonic transducer,are introduced. 介绍激光超声的发展概况、物理机理、应用、接收以及实验的装置和所用的超声探头的设计;
- Please express the main advantages of ultrasonic testing in non-destructive testing. 请叙述非破坏试验中超音波试验的主要优点。
- On propagation characteristic of material surface wave in laser ultrasonic, Fizeau fiber interferometer system which implements measure of SAW on YAG laser is researched. 针对激光超声中固体表面波的传播特性,研究了一套斐索光纤干涉仪系统并实现了对YAG激发的铝材料表面波的检测。
- Krautkramer,Ultrasonic Testing of Materials,Springer-Verlage Berlin Heidlberg New York (1969). 叶竞荣,徐鸿发,超音波检测法中级,中华民国非破坏检测协会,中华民国79年2月。
- Ultrasonic testing not only examines the inner defects but also the inner surface defects. 超声检测既要检测部件内部又要兼顾内表面缺陷的检测。
- Ultrasonic testing is an important flaw detection technology of oil and gas pipeline girth welds. 超声检测是油气管道环焊缝缺陷检测的一项重要技术。
- In developing ultrasonic testing device, the blocking designing method is used, system maintainability is progressed. 在超声检测仪器开发中,采用了模块化的设计方案,提高了系统的易维护性;
- Ultrasonic testing technology for high-density tungsten alloy parts was introduced. 介绍高密度钨基合金部件的超声检测技术。
- Experiments showed that ultrasonic testing method was suitable for the weld quality testing of PE pipe. 试验表明,超声检测方法适用于PE管热熔焊缝的焊接质量检测。
- Creeping wave testing is an effective supplement to conventional ultrasonic testing. 爬波检测是常规超声波检测的有力补充。
- The blocks were the same with the ultrasonic testing of wheelset in rolling stocks, the benchmark for the spot inspection was provided. 该试块适用于在役轮轴超声波探伤,为现场检测提供了统一的探伤基准。
- The application of double wire welding and automatic ultrasonic testing (AUT) in constructing submarine pipeline was introduced. 摘要介绍了双丝焊接技术和自动超声波检测技术在海底管线环焊缝焊接施工中的应用。
- Electromagnetic testing and ultrasonic testing are the main points for materials hardness,hardness depth,crystallite size,limiting intensity etc. 对材料硬度、硬化层深度、晶粒大小、极限强度等主要采用电磁检测和超声检测。
- When testing the bolt of airplane engine with ultrasonic testing,a new statistical method was introduced to decide the sensitivity standard. 介绍了原位超声探伤飞机发动机固定螺桩时,采用数理统计法确定探伤灵敏度的方法。
- The concept of real-time weld quality control is quite broad, and this work focuses on weld penetration depth monitoring and control with laser ultrasonics. 一个类神经网路应用于前馈迴路以补偿主要的位置误差,另一个应用于回馈迴路修正次要的误差。