The verification method of X-ray stress measuring instrument

Based on the measuring principle, the accuracy of X-ray stress measuring method was expounded; It was pointed out that if the national standard GB/T 7704—2017 Non-destructive Testing X-ray Stress Measurement Method was strictly implemented, reliable and mutually trusted measurement results could be obtained in the industry; The accuracy of X-ray stress measurement method was illustrated by examples, and the verification method of measuring equipment was proposed.