[G] High Temperature Oxidation and Corrosion | Year 2025 Autumn Annual Meeting of JIMM

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Session Details

一般講演5.Materials Chemistry : Aqueous Corrosion and High Temperature Corrosion Performance

[G]High Temperature Oxidation and Corrosion

Fri. Sep 19, 2025 10:00 AM - 11:40 AM JST
Fri. Sep 19, 2025 1:00 AM - 2:40 AM UTC

Room M(C309 3rd floor Building C)

Chair:Suzue Yoneda

※表示の講演時間には質疑応答時間も含みます。
（質疑応答時間5分、基調講演と招待講演は5～10分）

10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

[243]Ammonia gas nitriding behavior of austenitic stainless steels and high-nickel alloys.

*Yutaro KATSUKI¹, Mamoru NAGAO¹ (1. MARUICHI STAINLESS TUBE)

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10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[244]Effect of Ni and Cr on the ammonia nitriding behavior of Ni-Cr-Fe ternary alloys

*Yohei YAMADA¹, Seiji ODA¹, Shigenobu NANBA¹, Yutaro KATSUKI², Mamoru NAGAO² (1. KOBE STEEL, Ltd, 2. MARUICHI STAINLESS TUBE Co., LTD)

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10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)

[245]Exploring alloying elements to suppress nitridation in Ni-Cr-Fe alloys using first-principles calculations

*Seiji ODA¹, Yohei YAMADA¹, Sigenobu NANBA¹, Yutaro KATSUKI², Mamoru NAGAO² (1. KOBE STEEL, Ltd, 2. MARUICHI STAINLESS TUBE Co., LTD)

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10:45 AM - 10:55 AM JST(1:45 AM - 1:55 AM UTC)

break

10:55 AM - 11:10 AM JST(1:55 AM - 2:10 AM UTC)

[246]Investigation of high temperature corrosion of boiler pipes exposed to ammonia co-firing environment (2) Effects of SO2, H2O and NO on high temperature corrosion

*Shinji OKAJO¹, Akiko TOMIO¹, Yusuke KATO¹, Takumi NISHIMOTO¹, Yoshitaka NISHIYAMA¹, Shigenari HAYASHI² (1. Nippon Steel, 2. Hokkaido Univ.)

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11:10 AM - 11:25 AM JST(2:10 AM - 2:25 AM UTC)

[247]Thermodynamic Prediction of Phase Formation in Ammonia Nitriding Environments

*Seiji KURODA¹, Takashi Yanagisawa², Tina Ghara³, Shahien Mohammed⁴, Takahiro Inoue⁵, Kentaro Shinoda⁶ (1. AIST, 2. AIST, 3. AIST, 4. AIST, 5. AIST, 6. AIST)

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11:25 AM - 11:40 AM JST(2:25 AM - 2:40 AM UTC)

[248]Nitrogen Profile on Gas-Nitriding of Additively Manufactured Maraging Steels

*Makoto NANKOU¹, Nazuna IDETA², Yen-ling KUO¹ (1. Nagaoka Univ. Tech., 2. Nagaoka Univ. Tech. Graduate Student)

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