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《World Nonferrous Metals》 2017-18
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Research on the ultrasonic testing on the defects in metal materials

REN Jian;Chongqing energy investment group technology co.LTD;  
The defects in metal materials can affect the performance of metal materials, and the detection of defects in metal materials is a hot research topic, which has important engineering practical significance. Introduced in this paper, the defects of metal material types, analyzes the principle of ultrasonic flaw detection, put forward a kind of ultrasonic signal denoising method based on the improved HHT algorithm, the experimental results show that the method has good effect in terms of defect detection.
【CateGory Index】: TG115.285
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