[F1-P204-01] Evaluation of Mechanical Properties through High-Throughput Indentation Testing in Nickel-Based Superalloy

*Viola Paul¹, Eri Nakagawa^1,2, Ayako Ikeda¹, Toshio Osada¹, Takahito Ohmura¹ (1. National Institute for Materials Science (Japan), 2. University of Tsukuba (Japan))

[F1-P204-02] Thermodynamic assessment of the Cr-Si-Ta ternary system and its use for alloy design

*Kazushige Ioroi¹, Xiao Xu¹, Toshihiro Omori¹, Ryosuke Kainuma¹ (1. Tohoku Univ. (Japan))

[F1-P204-03] Stress-strain response of (Mo, Ti)C_x at room temperature obtained by nanoindentation method

*Shuntaro Ida¹, Eri Nakagawa², Takahiro Ohmura², Kyosuke Yoshimi¹ (1. Tohoku University (Japan), 2. National Institute for Materials Science (Japan))

[F1-P204-04] Study of the Phase Diagram of MoSiBTiC Alloys by Optical Thermal Analysis and In-Situ Observation with Electromagnetic Levitation

*Xi Nan¹, Ryogo Sawada², Haruki Nakashima², Masayoshi Adachi³, Makoto Ohtsuka³, Kyosuke Yoshimi¹, Hiroyuki Fukuyama³ (1. Department of Materials Science, Graduate School of Engineering, Tohoku University (Japan), 2. Graduate School of Engineering, Tohoku University (Japan), 3. Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University (Japan))

[F1-P204-05] Powder Fabrication and Laser Powder Bed Fusion of MoSiBTiC Alloy

*Chenguang Li¹, Zhenxing Zhou¹, Weiwei Zhou¹, Naoyuki Nomura¹ (1. Tohoku Univ. (Japan))

[F1-P204-06] Effect of off-stoichiometry on elastic moduli of B1-type MX_x ceramics

*Hiromu Matsuura¹, Kotaro Hoshizaki¹, Shuntaro Ida², Kyosuke Yoshimi² (1. Graduate School of Engineering, Tohoku Univ. (Japan), 2. Department of Materials Science, Graduate School of Engineering, Tohoku Univ. (Japan))

[F1-P204-07] Microstructure Analysis of Cast Mo-TiC Alloys By Machine Learning

*Xinyu Yan¹, Ryo Muso², Xi Nan³, Kyosuke Yoshimi³ (1. Graduate School of Engineering, Tohoku Univ. (Japan), 2. School of Engineering, Tohoku Univ. (Japan), 3. Department of Materials Sci., Graduate School of Engineering, Tohoku Univ. (Japan))

[F1-P204-08] FEM Analysis of Elastoplastic Behavior for 2D Microstructure of MoSiBTiC Alloy

*Jufeng Du¹, Chihana Kudo¹, Shuntaro Ida¹, Kyosuke Yoshimi¹ (1. Tohoku university (Japan))

[F1-P204-09] Segmentation Analysis for Microstructural Feature Extraction of MoSiBTiC Alloy

*Chihana Kudo¹, Xinyu Yan¹, Guillaume Lambard², Masahiko Demura³, Kyosuke Yoshimi⁴ (1. Graduate School of Engineering, Tohoku Univ. (Japan), 2. Data-driven Materials Design Group, Center for Basic Res. on Materials, National Inst. for Materials Sci. (Japan), 3. Materials Data Platform, Res. Network and Facility Services Division, National Inst. for Materials Sci. (Japan), 4. Department of Materials Sci., Graduate School of Engineering, Tohoku Univ. (Japan))

[F1-P204-10] Thermodynamic reassessment of Mo-Si and Ti-Si systems

*Katsunari Oikawa¹, Nobufumi Ueshima¹, Yuhang Shi¹ (1. Tohoku Univ. (Japan))

[F1-P204-11] Phase diagram and thermodynamic quantity database for the MoSiBTiC alloys

*Taichi ABE¹, Kiyomi HIROSE¹, Yuki ANDO¹, Jun FUJIMA¹, Hayato SONOKAWA¹ (1. NIMS (Japan))

[F1-P204-12] Ti Substitution and Its Influence on the Elastic Properties of Mo5SiB2-T2 Phase: A First Principles Study

*Nguyen-Dung Tran¹, Kyosuke Yoshimi¹ (1. Tohoku Univ. (Japan))

[F1-P204-13] Mechanical response of Zr-based bulk metallic glass at elevated
temperature investigated through nanoindentation testing

*Silvia Pomes^1,2, Nozomu Adachi³, Masato Wakeda¹, Takahito Ohmura^1,2 (1. National Inst. for Materials Science (Japan), 2. Kyushu Univ. (Japan), 3. Toyohashi Univ. of Tech. (Japan))

[F1-P204-14] Fracture toughness evaluation of an ultrahigh-strength steel sheet in air and high-pressure hydrogen-gas

*Naoki Hirakawa¹, Yuya Tanaka², Kaneaki Tsuzaki³, Akinobu Shibata³, Hisao matsunaga Matsunaga¹ (1. Kyushu Univ. (Japan), 2. Fukuoka Univ. (Japan), 3. NIMS (Japan))

[F1-P204-15] Influencing Factors on Hydrogen-assisted Cracking Threshold of High Strength Steel in Hydrogen Gas Environment

*Hibiki Okano¹, Ryosuke Matsumoto², Yasushi Shimizu¹, Hisao Matsunaga¹ (1. Kyushu Univ. (Japan), 2. Kyoto Univ. of Advanced Sci. (Japan))

[F1-P204-16] Thermally Activated Dislocation Motion in Fe-Cr-Ni Austenitic Steel with Solute Hydrogen

*Takeshi Fujita¹, Yuhei Ogawa² (1. Kyushu Univ. (Japan), 2. National Inst. for Materials Sci. (NIMS) (Japan))

[F1-P204-17] The mechanism of cycle-dependent fatigue crack acceleration in steels in hydrogen gas environment

*Naoyuki Osada¹, Yuya Tanaka², Yasushi Shimizu¹, Hisao Matsunaga¹ (1. Kyushu Univ. (Japan), 2. Fukuoka Univ. (Japan))

[F1-P204-18] Effect of hydrogen charge on plastic deformation of IF steels

*Masaki Tanaka¹, Kohei Takara¹, Tatsuya Morikawa¹, Shigeto Yamasaki¹ (1. Kyushu Univ. (Japan))

[F1-P204-19] Hydrogen Embrittlement of Ultrafine Elongated Grain Structure Steel

*Yuuji Kimura¹, Tadanobu Inoue¹ (1. National Institute for Materials Science (Japan))

[F1-P204-20] Establishing the Fracture Toughness Testing-method for an Ultra-high Strength Steel Sheet in High-pressure Hydrogen Environment

Yuya Tanaka¹, Naoki Hirakawa², Kaneaki Tsuzaki³, Akinobu Shibata³,*Hisao Matsunaga² (1. Fukuoka Univ (Japan), 2. Kyushu Univ (Japan), 3. National Inst. Materials Sci. (NIMS) (Japan))

[F1-P204-21] Cracking in γ’-Fe₄N compound layer developed by monotonic- and cyclic-tensile deformation for fine-particle-peened low-carbon steel

*Rama Srinivas Varanasi¹, Motomichi Koyama¹, Osamu Umezawa² (1. Institute for Materials Research, Tohoku University (Japan), 2. Faculty of Engineering, Yokohama National University (Japan))

[F1-P204-22] High-throughput investigation of Cr-N cluster formation in Fe-35Ni-Cr system during low-temperature nitriding

*Yulin Xie¹, Goro Miyamoto^2,3, Tadashi Furuhara² (1. Graduate School of Eng., Tohoku Univ. (Japan), 2. Inst. for Materials Research, Tohoku Univ. (Japan), 3. Research Center for Structure Materials, National Inst. for Materials Science (Japan))

[F1-P204-23] Rolling-sliding-contact fatigue of carbonitrided, quenched, and tempered SCM420 steel

*Yoshihiro Nishiumi¹, Osamu Umezawa² (1. Graduate School of Engineering Science, Yokohama National Univ. (Japan), 2. Faculty of Engineering, Yokohama National University (Japan))

[F1-P204-24] Effect of Surface Hardening on Bending Fatigue Properties of SCM420 and SCM440 Steel Sheets

*Minheon Kim¹, Osamu Umezawa² (1. Graduate School of Engineering Science, Yokohama National University (Japan), 2. Faculty of Engineering, Yokohama National University (Japan))

[F1-P204-25] Microstructure analysis of correlated heterogeneous distribution of carbon and nitrogen in nitrocarburized carbon steel

*Kazunori Tsukamoto¹, Takashi Kimura¹, Goro Miyamoto² (1. JEOL Ltd. (Japan), 2. Tohoku Univ. (Japan))

[F1-P204-26] Nucleation Kinetics of Guinier-Preston Zones in Al-Cu Alloys: A Neural Network-Based Kinetic Monte Carlo Approach

*Heting Liao¹, Jun-Ping Du^1,2, Shigenobu Ogata^1,2 (1. Osaka Univ. (Japan), 2. ESISM (Japan))

[F1-P204-27] Theoretical Study of Hydrogen Diffusion Influenced Screw Dislocation Motion in Body-Centered Cubic Iron

*Jiaqin Xu¹, Shuhei Shinzato¹, Fan-Shun Meng¹, Shigenobu Ogata¹ (1. Osaka Univ. (Japan))

[F1-P204-28] Accurate atomistic analysis of hydrogen solubility in α-Fe at high H₂ gas pressure

*Shihao Zhu¹, Fanshun Meng¹, Shihao Zhang¹, Shigenobu Ogata¹ (1. Osaka Univ. (Japan))

[F1-P204-29] Machine learning and first-principles calculations for mechanism of nano clustering in Fe-X-N (X = Al, Ti, V and Cr) alloys

*Tokuteru Uesugi¹ (1. Osaka Metropolitan Univ. (Japan))

[F1-P204-30] First Principles Calculation of the Interaction between Two Solute Elements in Screw Dislocation Core of Iron Alloys

*Masato Wakeda¹ (1. National Institute for Materials Science (Japan))

[F1-P204-31] Molecular Dynamics-based Tribochemical Reaction Simulation Study on Corrosive Wear Mechanism at the DLC/Fe Interface

*Mizuho Yokoi¹, Masayuki Kawaura¹, Shogo Fukushima¹, Yuta Asano¹, Yusuke Ootani¹, Nobuki Ozawa^2,1, Momoji Kubo^1,2 (1. Tohoku Univ. (Japan), 2. New Industry Creation Hatchery Center, Tohoku Univ. (Japan))

[F1-P204-32] Search for Welding Conditions with Long Creep Life by Tandem Bayesian Model Considering HAZ Shape Factor

*Izuno Hitoshi¹, Masahiko Demura¹, Masayoshi Yamazaki¹, Satoshi Minamoto¹, Kenji Nagata¹, Yoh-ichi Mototake², Daisuke Abe³, Keisuke Torigata³ (1. National Institute for Materials Science (Japan), 2. Hitotsubashi Univ. (Japan), 3. IHI Corp. (Japan))

[F1-P204-33] Thermal Expansion and Polymorphism of B(III)F₃: A First-Principles Study

*Hiroki Koiso¹, Yasuhide Mochizuki¹, Suguru Yoshida², Takayuki Nagai³, Toshihiro Isobe¹, Akira Nakajima¹ (1. Tokyo Inst. of Tech. (Japan), 2. Penn. State Univ. (United States of America), 3. Univ. of Tokyo (Japan))

[F1-P204-34] Mechanism of Negative Thermal Expansion in Monoclinic Cu₂P₂O₇: A First-Principles Lattice-Dynamics Study

*Kaede Nagamatsu¹, Yasuhide Mochizuki¹, Hiroki Koiso¹, Toshihiro Isobe¹, Akira Nakajima¹ (1. Tokyo Inst. of Tech. (Japan))

Session information

[F1-P204] Poster 204