Year 2026 Fall Annual Meeting of JIMM
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Session Details

公募シンポジウム講演

[S3]S3 Materials DX for the research and development of structural materials for extreme environment(IV)

Thu. Sep 24, 2026 1:10 PM - 5:00 PM JST
Thu. Sep 24, 2026 4:10 AM - 8:00 AM UTC
Room R(Multi-Purpose Lecture Room,1st Flr,Research Building (Building No.6, Faculty of Environmental and Life Sciences))
Chair:Takahito Ohmura(NIMS), Shigenobu Ogata
世界中でデジタルトランスフォーメーション（DX）が材料開発のツールとして活用され始め、着実に成果が生まれつつあります。国内においても「データ創出・活用型マテリアル研究開発プロジェクト（DxMT）」が発足し、対象材料の異なる5つの拠点がマテリアルDXを推進しています。これらの取り組みでは、最新成果を積極的に共有するとともに、産学双方が利便性を享受できるデータ創出・利活用基盤を整備し、データ駆動型材料設計を加速させることが急務となっています。
本シンポジウムでは、金属材料をはじめとする構造材料に重点を置きつつ、磁性材料などの多様な材料系も含めたマテリアルDXの構築を目指します。最新の成果発表と活発な討論・情報交換を通じ、産学が連携して議論を深める場を創出します。
※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）
1:10 PM - 1:50 PM JST(4:10 AM - 4:50 AM UTC)

[S3.9][Keynote Lecture] Thermodynamic database and calculated phase diagrams of Mo-Si-B-Ti-C System

○Katsunari Oikawa1 (1. Tohoku University)
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1:50 PM - 2:10 PM JST(4:50 AM - 5:10 AM UTC)

[S3.10]Construction of Phase Diagram for B-rich Mo-B Binary Alloys Using Ultra-High-Temperature Blackbody Radiation Thermal Analysis

○HAYATO TAKEDA1, Makoto Ohtsuka1, Masayoshi Adachi1, Hideo Higashi1, Katsunari Oikawa2, Hiroyuki Fukuyama1 (1. IMRAM, Tohoku Univ., 2. Graduate School of Engineering, Tohoku Univ.)
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2:10 PM - 2:25 PM JST(5:10 AM - 5:25 AM UTC)

[S3.11]Multi-Phase-Field Modeling of Microstructure in Mo-Si-B-Ti-C Alloys

○Takumi Ishihara1, Yuhki Tsukada1, Dasom Kim1, Naoki Takata1, Taichi Abe2, Katsunari Oikawa3 (1. Nagoya Univ., 2. NIMS, 3. Tohoku Univ.)
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2:25 PM - 2:40 PM JST(5:25 AM - 5:40 AM UTC)

[S3.12]Wide-range Microstructure Generation of MoSiBTiC Alloys Using Deep Learning Models

○Shunto Obana1, Chihana Kudo1, Shugo Tomioka1, Takahiro Kaneko2, Kyosuke Yoshimi2 (1. Tohoku Univ. Eng. (Graduate student), 2. Tohoku Univ. Eng.)
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2:40 PM - 2:55 PM JST(5:40 AM - 5:55 AM UTC)

[S3.13]Surface compound layer and atomic diffusion in nitrided SCM420 low-alloy steel

○Hiroki Sato1, Osamu Umezawa1, Shinichi Takagi2 (1. Yokohama National University, 2. Fuji WPC, Ltd.)
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2:55 PM - 3:05 PM JST(5:55 AM - 6:05 AM UTC)

break

3:05 PM - 3:45 PM JST(6:05 AM - 6:45 AM UTC)

[S3.14][Keynote Lecture] Forefront of AI Seismology

○Hiromichi Nagao1,2,3 (1. Earthquake Research Institute, The University of Tokyo, 2. Graduate School of Information Science and Technology, The University of Tokyo, 3. RIKEN Center for Advanced Intelligence Project)
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3:45 PM - 4:00 PM JST(6:45 AM - 7:00 AM UTC)

[S3.15]Auditable LLM-Guided Compositional Design of Super MoSiBTiC Alloys

○Xinyu Yan1, Kyosuke Yoshimi1 (1. Tohoku Univ.)
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4:00 PM - 4:25 PM JST(7:00 AM - 7:25 AM UTC)

[S3.16]Triple and high-order junctions as diffusion pathways and nanovoid-nucleation sites in nanocrystalline grain-boundary networks: A molecular dynamics study

○Heting Liao1, Masato Wakeda1, Akinobu Shibata1, Takahito Ohmura1,2 (1. NIMS, 2. Kyushu Univ.)
Comment()
4:25 PM - 4:40 PM JST(7:25 AM - 7:40 AM UTC)

[S3.17]Fatigue Crack Growth Behavior of Warm-Rolled High-Strength Metastable Austenitic Steelsin High-Pressure Hydrogen Gas

○Itsuki Tanikawa1, Nathanaël Joyeau2, Motomichi Koyama3, Takahiro Sawaguchi4, Hisao Matsunaga1 (1. Kyushu University, 2. ISAE-ENSMA, 3. Tohoku University, 4. NIMS)
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4:40 PM - 5:00 PM JST(7:40 AM - 8:00 AM UTC)

[S3.18]Fatigue Crack Growth Properties of a Low-alloy Steel
in Low-Pressure Hydrogen Gas Environment

○Ryuki Tsuji1, Hisao Matsunaga1 (1. Kyushu Univ.)
Comment()
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