Ultrasonic phased array inspection technology has recently been attracting a great deal of attention in nondestructive evaluation applications. Therefore, the initial crack inspection and the forecast of their propagation are essential to the safe operation of the turbine discs, and reliable methods should be developed to serve in this task. With the increase of usage time, stress corrosion cracking may occur in the blade attachment region of the turbine discs, leading to heavy financial losses, and even severe accidents. 1. Introduction Low-pressure steam turbine discs are critical components in power plants which rotate at high speed throughout the year. The final results demonstrated that the method presented was efficient in crack estimation tasks. Powerbuilder 12 6 Keygen Generator Ht8jPA9.jpg.
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