1. 1) S. Nishikawa, S. Nakata, Y. Horii, I. Komura and A. Yamaguchi, “Stress relaxation behavior during thermal aging of compressive residual stress by shot peening”, Technical Review of Japan Power Engineering and Inspection Corporation, Vol.4, pp.28-32 (2008).
2. 2) Y. Sano, N. Mukai, M. Yoda, K. Ogawa and N. Suezono, “Underwater laser shock processing to introduce residual compressive stress on metals”, Materials Science Research International, STP, No.2, pp.453-458 (2001).
3. 3) S. Okido, M. Tsubaki, A. Chiba, W. Sagawa and T. Matsuda, “Application of jet peening to the shroud components in BWR power plant and residual stress measurement after WJP”, Maintenology, Vol.9, No.1, pp.26-31 (2010).
4. 4) M. Sakashita, H. Hanaki, Y. Ogawa, S. Sato and A. Kanno, “Highly-reliable maintenance technologies for aged nuclear power plants”, Hitachi Hyoron, Vol.91, No.2, pp.204-205 (2009).
5. 5) K. Suzuki and T. Shobu, “Residual microstress of austenitic stainless steel due to tensile deformation”, Materials Science Forum, Vol.652, pp.7-12 (2010).