The 188th ISIJ Autumn Meeting
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International Organized SessionsInternational Organized Sessions

Innovative evaluation techniques for hydrogen entry and hydrogen trapping -IV

Wed. Sep 18, 2024 9:00 AM - 5:05 PM JST
Wed. Sep 18, 2024 12:00 AM - 8:05 AM UTC
Room13（CELAS Lecture Bldg. C 1F, C102）
Y. Sugawara [Shimane Univ.], A. Ooi [Tokyo Inst. Tech.], T. Igarashi [JAEA], S. Ajito [Tohoku Univ.]
9:10 AM - 10:10 AM JST(12:10 AM - 1:10 AM UTC)

[Int.-17]Chances and challenges in hunting hydrogen

○Achim Walter Hassel (Johannes Kepler Univ. Linz)
10:20 AM - 11:20 AM JST(1:20 AM - 2:20 AM UTC)

[Int.-18]Difference of C and N effect on hydrogen entry and diffusivity in austenitic stainless steels

○Sung-Joon Kim1, Kyung-Shik Kim1, Jee-Hyun Kang2 (1.POSTECH, 2.Yeungnam Univ.)
11:20 AM - 11:35 AM JST(2:20 AM - 2:35 AM UTC)

[Int.-19]Effect of mechanical loading on the hydrogen diffusion behavior in tempered martensitic steel

○Saya Ajito1, Hiroshi Kakinuma1, Tomihiko Hojo2, Motomichi Koyama1, Takuya Hara1, Tomohiko Omura3, Eiji Akiyama1 (1.Tohoku Univ., 2.Tohoku Gakuin Univ., 3.Nippon Steel)
11:35 AM - 11:50 AM JST(2:35 AM - 2:50 AM UTC)

[Int.-20]Influences of lattice defect and crystal orientation on hydrogen diffusion in pure iron

○Yoshikazu Todaka, Nozomu Adachi, Yohei Abe, Yuki Ishii, Shinya Wada, Sota Kagawa (Toyohashi Univ. of Tech.)
1:00 PM - 2:00 PM JST(4:00 AM - 5:00 AM UTC)

[Int.-21]Scanning Kelvin probe techniques for mapping effective local hydrogen activity and permeation rates at lateral high resolution and sensitivity

○Michael Rohwerder (Max-Planck-Institut fur Eisenforschung GmbH)
2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[Int.-22]Visualization of hydrogen entry into high-strength steel during corrosion process using Mn oxide thin film

○Yu Sugawara1, Masataka Omoda2, Shinji Ootsuka2 (1.Shimane Univ., 2.JFE)
2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[Int.-23]Application of scanning blue-laser enhanced electrochemical microscope for evaluation of local hydrogen permeation rate of the steels

○Takumi Haruna, Kokoro Nogawa, Taiki Sakai, Youhei Hirohata (Kansai Univ.)
2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[Int.-24]Spatially-resolved detection of hydrogen in steel by scanning photoelectron yield spectroscopy

○Ko-ichiro Miyamoto, Tatsuo Yoshinobu (Tohoku Univ.)
3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[Int.-25]Effects of pH on local hydrogen entry behavior under NaCl droplet on Fe sheet

○Hiroshi Kakinuma, Saya Ajito, Motomichi Koyama, Eiji Akiyama (Tohoku Univ.)
3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[Int.-26]Hydrogen permeation behavior of high strength steels with Laser activation

○Masatoshi Sakairi, Xiaole Han (Hokkaido Univ.)
3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[Int.-27]Effect of thiocyanate ion on hydrogen evolution reaction on steel

○Azusa Ooi, Akiyoshi Saito, Eiji Tada (Tokyo Inst. of Tech.)
4:00 PM - 4:15 PM JST(7:00 AM - 7:15 AM UTC)

[Int.-28]3D impedance measurement to investigate hydrogen evolution and permeation behavior on steel

○Yoshinao Hoshi, Kotaro Tanaka (Nagoya Inst. of Tech.)
4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[Int.-29]In-situ quantitative evaluation of the hydrogen absorbed in steel plates and dependence of hydrogen content on specimen hardness

○Koji Fushimi, Yuya Mizushiri, Yu Fujita, Hiroki Habazaki (Hokkaido Univ.)
4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[Int.-30]Computational modeling for hydrogen entry into steel materials in acidic solutions containing chloride ions

○Hideki Katayama, Mariko Kadowaki, Masahiro Yamamoto (NIMS)
4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[Int.-31]Hydrogen absorption modeling using cellular automata

○Takahiro Igarashi (JAEA)
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