*Ryutaro SUGAI¹, Naoya YAMAGUCHI², Makoto NANKO¹, Yen-Ling KUO¹ (1. Nagaoka University of Technology, 2. National Institute of Technology Fukushima College)

*Toshiyuki Takimoto¹, Izumi Muto², Masashi Nishimoto², Makoto Kawamori³, Yu Sugawara² (1. Tohoku Univ.(student), 2. Tohoku Univ., 3. Kobe Steel)

*Keisuke HATOMI^1,2, Sachiko HIROMOTO^1,2, Kotaro DOI², Tomoyuki YAMAMOTO¹ (1. Waseda Univ., 2. National Institute for Materials Science)

*Keima HIGASHINO¹, Haruna Takumi² (1. Kansai Univ. Graduate student., 2. Kansai Univ.)

Yoshiya Sugimoto¹, *Haruka Shiratori¹, Yuta Yagi², Kazuhiko Noda³ (1. Shibaura Institute of Technology Graduate School, 2. Nakabohtec Corrosion Protecting Co.,LTD., 3. Shibaura Institute of Technology)

*Ryota KIKUTI¹, Yuta Yagi², Ryoji Suzuki³, Kazuhiko Noda⁴ (1. Shibaura Institute of Technology Graduate School, 2. Nakabohtec Corrosion Protecting Co., LTD., 3. Japan Power Engineering and Inspection Corporation, 4. Shibaura Institute of Technology)

*Keigo HATTA¹, Taishi ASAO², Yuta YAGI³, Kazuhiko NODA² (1. Shibaura Institute of Technology Graduate School, 2. Shibaura Institute of Technology, 3. Nakabohtec Corrosion Protecting Co., LTD.)

*Yutaro MAKANAE¹, Miyu Yamada, Hideto Kawasaki, Ryunosuke Nakajima¹, Kenji Saito (1. Niigata university engineering graduate student)

*Kohei Taniguchi¹, Yasuhiro Hoshiyama², Tomoki Maruoka³ (1. 関西大学 (院生)、2. 関西大学、3. 京都市産業技術研究所)

*Tomoki Taniyama¹, Chika Sonehara², Yasushi Inoue³, Osamu Takai⁴ (1. Chiba Institute of Technolog, 2. TDK, 3. Chiba Institute of Technolog, 4. Kanto Gakuin Univ)

*Shunsuke Matsubara¹, Masashi Yoshida², Satoshi Yamazaki³, Noah Utsumi⁴ (1. Daido University, 2. Daido University, 3. Shizuoka Institute of Science and Technology, 4. Saitama University)

*Hiroki Minowa¹, Daisuke Tanada¹, Kazuhiro Ishikawa², Yoji Miyajima² (1. Kanazawa Univ. (Grad. Student), 2. Kanazawa Univ.)

*Haruka KATAKURA¹, Asahi YAMAMOTO², Yorinobu TAKIGAWA¹ (1. Osaka Metropolitan Univ., 2. Osaka Prefecture Univ.)

*Minori HARA¹, Masaomi Horita², Hikari Minamisawa², Masahiro Shimizu², Susumu Arai² (1. 信州大工（院生）、2. 信州大工)

*Taichi OZEKI¹, Yoshihisa KANEKO² (1. 大阪公立大工（院生）、材料機能、2. 大阪公立大工（教授）、材料機能)

*Hiroaki YAMAMOTO¹, Tomoya Tsuda², Ramu Fukushima², Hidefumi Yanagita³, Masao Morishita¹ (1. University of Hyogo, 2. University of Hyogo Graduate Student, 3. Sanalloy Industry)

*YOSHIMASA HIRANO¹, TAKASHI NAGAI¹ (1. Graduate School, Chiba Institute of Technology)