INOUE Tadanobu

J-GLOBAL         Last updated: Oct 8, 2019 at 11:21
INOUE Tadanobu
National Institute for Materials Science
Materials Creation Research Group
Job title
Senior Researcher
Doctor of Engineering

Research Areas


Academic & Professional Experience

: Japan Society for the Promotion of Science (DC2)
: Japan Society for the Promotion of Science (PD)
Oct 1996
: Research Fellow, Mesoscopic Materials Research
Center in Kyoto University
Feb 1998
: Researcher, National Research Institute for Metals


Nagaoka University of Technology
Department of Mechanical Engineering, Faculty of Engineering, Nagaoka University of Technology

Awards & Honors

Apr 2019
JSME Paper Award, JSME
Apr 2015
JSME Paper Award, JSME
Winner: INOUE Tadanobu, KIMURA Yuuji
Jun 2014
JSTP Medal for Scientific/Technological Achievement, JSTP
Feb 2010
Development of stronger and tougher steel at low temperatures, German Innovation Award,  
Winner: KIMURA Yuuji, INOUE Tadanobu, YIN Fuxing
Sep 2008
Murakami Award, JIM

Published Papers

Rintaro Ueji, Tadanobu Inoue
Materials Letters   256 126637   Dec 2019
Effect of external stress on pearlite transformation in a high-carbon steel was examined in terms of the measurement of volume change during isothermal holding. Two dimensional measurement of the steel holding at various temperatures under constan...
Rintaro Ueji, Tadanobu Inoue
Materials Science and Engineering: A   764 138217   Sep 2019   [Refereed]
The thermomechanical interactions between two different regions with different carbon contents during cooling from austenite single phase condition was studied with a sandwich-like clad sheet. The clad steel with the layered structure where a 0.65...
Rintaro Ueji, Tadanobu Inoue
steel research international   90(5) 1900015   May 2019   [Refereed]
Tensile properties of steel sheet with the sandwich mesostructure are studied to clarify the influence of interface morphology. The 0.05%C and the 0.45%C steel flat plates with the same volume fractions to each other are stacked as the surface and...
Tadanobu Inoue, Rintaro Ueji, Yuuji Kimura
Materials Letters   240 172-175   Apr 2019   [Refereed]
A novel rolling process characterized by multi-pass bi-axial reduction was proposed. An 800 MPa class low-carbon steel bar with ultrafine elongated-grain structures was fabricated using bi-axial rolling at a warm working temperature, and tensile a...
Hidetoshi Somekawa, Alok Singh, Ryoji Sahara, Tadanobu Inoue
Scientific Reports   8(1)    Dec 2018   [Refereed]
Magnesium and its alloys have the lowest density among structural metallic materials; thus, this light-weight metal has great potential for reducing the weight. However, due to its crystal structure, deformability is poor; in particular, under com...


International Journal of Solids and Structures (1996), 33-3, 399-417   
Influences of Residual Stresses, Frictional Shear Stress at Debonded Interface and Interactions among Broken Components on Interfacial Debonding in Unidirectional Multi-filamentary Composites
Composite Interface (1998), 5-4, 363-381   
International Journal of Solids and Structures (1997), 34-25, 3215-3233   
Composite Science and Technology (1999), 59-1, 77-88   

Books etc

Chapter4 4.9 Technical Trends on fabrication of high-strength steel for 50 years and future prospects
Technical Trends on fabrication of high-strength steel for 50 years and future prospects
井上 忠信
構造用金属材料の代表素材である鋼の高強度化の変遷について触れ,特に今も昔も組織制御による材質制御技術の代表プロセスである制御圧延・制御冷却(TMCP:Thermomechanical controlled processing)を中心に,今後の高強度化に必要とされる組織微細化技術の概要と展望について紹介.
Development of fail-safe steel with an ultrafine elongated grain structure
木村 勇次, 井上 忠信
Fracture Mechanics - Properties, Patterns and Behaviours
Lucas Maximo Alves
Microstructural design for improving the strength–toughness balance was studied in low-alloy steel. Medium-carbon steel bars with microstructures of two types of an ultrafine elongated grain (UFEG) structure and an ultrafine equiaxed grain s...
井上 忠信, 木村 勇次

Conference Activities & Talks

Effect of compressive stress on pearlite transformation in high carbon steel
上路 林太郎, 井上 忠信
第178回秋季講演大会   11 Sep 2019   
Tensile properties and Mesoscale morphology of interface with Japanese-Sword-Like Multi Layered Steel Sheets composed of low and medium carbon steels
上路 林太郎, 井上 忠信
2019年度塑性加工春季講演会   7 Jun 2019   
Improvement of strength, impact toughness and ductility properties in carbon steel
井上 忠信, 上路 林太郎, 木村 勇次
第68期通常総会・学術講演会   24 May 2019   
本論文では,初期組織の異なる0.15C-0.3Si-1.5Mn鋼を対象に,温間多パス溝ロール圧延によって短軸粒径1.0 μm(WR)および1.3 μm(AR)の微細繊維状結晶粒組織を有する鋼を創製した.比較材として,同成分のフェライト(18 μmと10 μm)/パーライト組織鋼(015C)および0.29%C鋼(029C)と1.03%C鋼(103C)の焼入れ焼戻しラスマルテンサイト組織鋼も創製した.それらの鋼を対象に,引張り試験およびシャルピー衝撃吸収試験を実施し,降伏応力σys,延性(一様...
Suppression of martensite formation in layered structure with low and medium carbon steels
上路 林太郎, 井上 忠信
第177回春季講演大会   20 Mar 2019   
Improvement of strength – impact toughness balance by microstructural control in low-carbon steel
井上 忠信, 木村 勇次, 上路 林太郎
第56回高温強度シンポジウム   6 Dec 2018   

Research Grants & Projects

The Amada Foundation:  
Project Year: Oct 2015 - Mar 2018    Investigator(s): INOUE Tadanobu
JSPS: Kiban-A
Project Year: Apr 2014 - Mar 2018    Investigator(s): INOUE Tadanobu
Project Year: Apr 2010 - Mar 2015    Investigator(s): Jun Yanagimoto
JSPS: Kiban-B
Project Year: Apr 2011 - Mar 2014    Investigator(s): INOUE Tadanobu
JFE 21st Century Foundation: 
Project Year: Jan 2011 - Dec 2012    Investigator(s): INOUE Tadanobu