Application of Photoelectric Detection Technology in Nondestructive Testing

Xiumin Jiang


Non-destructive testing, is the use of sound, light, magnetic and electrical characteristics, without prejudice to or does not affect the performance of the object being tested under the premise of the detection of the existence of defects or non-uniformity, and gives the general term for all technical means of the size, location, nature and quantity of the defect. As does not affect the performance of the object being tested, non-destructive testing technology in these years has been rapid development. Photoelectric detection technology is one of the main technologies of photoelectric information technology. It is based on modern optoelectronic devices such as laser infrared fiber. The optical radiation of the detected object is received by the photoelectric detector and converted into electrical signal, and then processed by the following, access to useful information technology. The combination of photoelectric detection technology and non-destructive testing technology can take the advantages of both, and it will be widely used. In this paper, the commonly used non-destructive testing technology based on photoelectric technology is summarized. Mainly discusses infrared detection technology, machine vision detection technology, x-ray detection technology and other non-destructive testing technology. Their principles and scope of application are discussed in detail, and examples of the application of each technology in real life.

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