Measurement of residual stress in the inner wall of steel pipe by ultrasonic

Abstract

In this paper, we proposed a new method to measure the residual stress of the inner wall of steel pipe based on acoustoelasticity theory, and established a measurement system. In the system, two probes were used, one is a transmitter and the other one is a receiver. Critically refracted longitudinal wave was emitted in the surface and subsurface of the… (More)

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