SCC Evaluation of the S/G Tube on the Shapes of Expanded Region

The lifetime of steam generator(S/G) tube plays an important role in the lifetime of power plant. Therefore, many researchers have been in study to elongate the lifetime of S/G tube. In elongating the S/G lifetime, there are several methods like as the usage of material with higher SCC (Stress Corrosion Cracking) resistance and the improvement of fabrication processes and maintenance environments. From the SCC evaluation of S/G tube on the shapes of expanded region and expansion method, we endeavor to elongate S/G lifetime