〇Rie Bamba¹, Koji Kinoshita², Rina Hasuike^2,3 (1.GIFU University , 2.GIFU University , 3.University of the Ryukyus)

〇Keishi Ochibe¹, Hiroaki Matsumoto¹, kazuo ishida¹, Atsumi Imai¹ (1.NIPPON STEEL ANTI-CORROSION CO.,LTD.)

〇Yuka Sugiyama¹, Toshihiko Aso¹ (1.Yamaguchi University)

〇Atsumi Imai¹, Hiroaki Matsumoto¹, Keishi Ochibe¹, Makoto Ohya², Masamichi Takebe², Nozomu Nhirose² (1.NIPPON STEEL ANTI-CORROSION CO.,LTD, 2.National Institute of Technology, Matsue College)

〇Ayaka Matsumoto¹, Ryota Ito², Yuma Kimura³, Makoto Ohya⁴, Masamichi Takebe⁴, Atsumi Imai⁵ (1.Advanced Engineering Faculty, National Institute of Technology, Matsue Collage, 2.Izumo City, 3.Osaka Bousui Construction Co., Ltd., 4.National Institute of Tecnology, Matsue Collage, 5.Nippon Steel, Anti-Corrosion Co., Ltd.)

〇Masamichi Takebe¹, Makoto Ohya¹, Seiju Miyakoda¹ (1.National Institute of Technology, Matsue College)

〇Shoma Iio¹, Shigenobu Kainuma¹, Shuji Ishihara² (1.Kyushu University, 2.Mitsui E&S Machinery Co., Ltd.)

〇Ryo Higuchi¹, Sigenobu Kainuma¹, Kosi Hasegawa¹, Muye Yang¹ (1.Kyushu University)