Recent progress of residual stress measurement
2021-2-1 · The types of ultrasonic measurements include the following 59: 1) a direct measurement of the pulse propagation time, which is the most widely used application; 2) the phase comparison method; 3) the sing-around method, which is mainly used in the determination of welding residual stress; 4) the echo amplitude method, which has a simple operation and a certain precision; 5) the ultrasonic goniometer method…
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