Abstract:Ultrasonic testing is a sensitive tool not only for defect detection and evaluation of components and structures but also to characterise microstructural features which affect mechanical properties. In this study, four different thermally degraded specimens of 2·25Cr–1Mo steel have been prepared by aging at 873 K for 10 h, 923 K for 20 h, 973 K for 40 h and 973K for 80 h to obtain variation in microstructural features. Mechanical properties of each specimen having different microstructures were investigated us… Show more
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