Laser Ultrasonic System for Surface Crack Visualization in Dissimilar Welds of Control Rod Drive Mechanism Assembly of Nuclear Power Plant

<table>(a) Real photo of control rod drive mechanism (CRDM) assembly [<a href="/journals/sv/2014/296426/#B6">10</a>] and (b) schematic diagram of CRDM assembly.</table>

Shock and Vibration

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Figure 1

Figure 1: Laser Ultrasonic System for Surface Crack Visualization in Dissimilar Welds of Control Rod Drive Mechanism Assembly of Nuclear Power Plant 