1. 1) S. Kyo, M. Nakamori, K. Kurokawa and T. Narita, Zairyo-to-Kankyo, 59, 456 (2010).
2. 2) S. Kyo, M. Nakamori and K. Kurokawa, Zairyo-to-Kankyo, 60, 138 (2011).
3. 3) M. Sasaki, F. Kawakami, C. Konami and M. Ishida, Proceedings of 13th International Thermal Spray Conference (ITSC'92), ASM International, p.165 (1992).
4. 4) H. Fukumoto, H. Shimizu, N. Yamashita and Y. Shimizu, Proceedings of 14th International Thermal Spray Conference (ITSC'95), ASM International, 21 (1995).
5. 5) C. J. Li, K. Sonoya, G. C. Ji and Y. Y Wang, Proceedings of 15th International Thermal Spray Conference (ITSC'98), ASM International, p.287 (1998).