研究成果・論文

Change in mechanical properties of fine copper wire manufactured by continuous rotary draw bending process

Junichiro Tokutomi; Kenichi Hanazaki; Nobuhiro Tsuji; Jun Yanagimoto
Nov 2012 in Journal of Materials Processing Technology
DOI: 10.1016/J.JMATPROTEC.2012.06.008

High pressure torsion to refine grains in pure aluminum up to saturation: mechanisms of structure evolution and their dependence on strain

Nobuhiro Tsuji
Jun 2012 in Philosophical Magazine
DOI: 10.1080/14786435.2012.671548

Effect of SiC particles on the microstructure evolution and mechanical properties of aluminum during ARB process

M. Alizadeh; Nobuhiro Tsuji
Apr 2012 in Materials Science and Engineering: A
DOI: 10.1016/J.MSEA.2011.12.026

Significant change in mechanical properties of deep drawn ultrafine grained copper wire by additional deformation

Kenichi Hanazaki; Jun-ichiro Tokutomi; Jun Yanagimoto; Nobuhiro Tsuji
Feb 2012 in Materials Science and Engineering: A
DOI: 10.1016/J.MSEA.2011.12.030

Characterization of Defects in Severely Deformed Iron by Mechanical Spectroscopy

T. Akaki;  H. Morimoto;  Hiroshi Numakura;  Daisuke Terada;  Nobuhiro Tsuji
Jan 2012 in Solid State Phenomena
DOI: 10.4028/WWW.SCIENTIFIC.NET/SSP.184.233

Crystallographic Features of Martensite Transformed from Ultrafine Grained Austenite Fabricated by Severe Plastic Deformation

Nobuhiro Tsuji
Jan 2012 in Materials Science Forum
DOI: 10.4028/WWW.SCIENTIFIC.NET/MSF.706-709.1835

Comparative Analysis of Plastic Flow and Grain Refinement in Pure Aluminium Subjected to Simple Shear-Based Severe Plastic Deformation Processing

Dmitry Orlov;  Yoshikazu Todaka;  Minoru Umemoto;  Yan Beygelzimer;  Nobuhiro Tsuji​​​​​​​
2012 in Materials Transactions
DOI: 10.2320/MATERTRANS.MD201113

EFFECT OF ULTRAHIGH STRAINING ON THE EVOLUTION OF CUBE TEXTURE ({100}< 100 >) IN HIGH PURITY NICKEL

Bhattacharjee, P. P.; Nobuhiro Tsuji
2012 in Functionally Graded Materials Vii
DOI: 10.4028/WWW.SCIENTIFIC.NET/MSF.702-703.406

Development of Cube Texture in Pure Ni Following Ultrahigh Straining by Accumulative Roll Bonding and Annealing

Bhattacharjee, P. P.; Nobuhiro Tsuji
2012 in Functionally Graded Materials Vii
DOI: 10.4028/WWW.SCIENTIFIC.NET/MSF.715-716.521

Microstructural Evolution during ARB Process of Al–0.2 mass% Sc Alloy Containing Al3Sc Precipitates in Starting Structures

Ehsan Borhani;  Hamidreza Jafarian;  Daisuke Terada;  Hiroki Adachi;  Nobuhiro Tsuji​​​​​​​
2012 in Materials Transactions
DOI: 10.2320/MATERTRANS.MD201125

Effect of Deformation Temperature on Microstructure Evolution in ARB Processed Ultralow Carbon IF Steel

Nobuhiro Tsuji
2012 in Materials Transactions
DOI: 10.2320/MATERTRANS.MD201115

Microstructure and Crystallographic Features of Martensite Transformed from Ultrafine-Grained Austenite in Fe–24Ni–0.3C Alloy

Nobuhiro Tsuji
2012 in Materials Transactions
DOI: 10.2320/MATERTRANS.MD201121

Changes in Mechanical Characteristics of Pre-Annealed Wires of Cu–Sn Alloy Manufactured by Continuous Draw Bending

Junichiro Tokutomi; Kenichi Hanazaki; Nobuhiro Tsuji; Jun Yanagimoto
2012 in Materials Transactions
DOI: 10.2320/MATERTRANS.MD201114

Microstructural and Crystallographic Features of Hydrogen-related Crack Propagation in Low Carbon Martensitic Steel

Nobuhiro Tsuji
2012 in ISIJ International
DOI: 10.2355/ISIJINTERNATIONAL.52.208

Evolution of Microstructure and Texture During Cold Rolling and Annealing of a Highly Cube-Textured ({001}) Polycrystalline Nickel Sheet

Bhattacharjee, P. P.;  Takatsuji, Y.;  Miyajima, Y.;  Terada, D.;  Tsuji, N.​​​​​​​
2012 in Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science
DOI: 10.1007/S11661-012-1093-9

Stability of Cube Oriented Grains during Cold-Rolling of Highly Cube-Oriented Polycrystalline Nickel

Tsuji, Nobuhiro;  Takatsuji, Yoshihiro;  Miyajima, Yoji;  Bhattacharjee, Pinaki Prasad;  Terada, Daisuke​​​​​​​
2012 in Functionally Graded Materials Vii
DOI: 10.4028/WWW.SCIENTIFIC.NET/MSF.702-703.402

Texture Evolution in ARB Processed Commercial Purity Aluminium

Nobuhiro Tsuji
2012 in Materials Science Forum
DOI: 10.4028/WWW.SCIENTIFIC.NET/MSF.702-703.173

Evolution of ultrafine microstructures in commercial purity aluminum heavily deformed by torsion

Khamsuk, Sunisa;  Park, Nokeun;  Adachi, Hiroki;  Terada, Daisuke;  Tsuji, Nobuhiro​​​​​​​
2012 in Journal of Materials Science
DOI: 10.1007/S10853-012-6661-2

Aging behavior of ultra-fine grained Al^|^ndash;0.5%Si^|^ndash;0.5%Ge alloy fabricated using ARB process

Keiyu Nakagawa;  Keiyu Nakagawa;  Nobuhiro Tsuji;  Nobuhiro Tsuji;  Daisuke Terada;  Daisuke Terada;  Toshihiko Nakano;  Toshihiko Nakano;  Khairul Nizam;  Khairul Nizam;  Teruto Kanadani;  Teruto Kanadani​​​​​​​
2012 in Keikinzoku/Journal of Japan Institute of Light Metals
DOI: 10.2464/JILM.62.442

Texture Evolution in Al–0.2 mass%Sc Alloy during ARB Process and Subsequent Annealing

Ehsan Borhani; Nobuhiro Tsuji
2012 in Materials Transactions
DOI: 10.2320/MATERTRANS.MA201223

Dislocation Density Changes in Ultrafine-grain Aluminum during Tensile Deformation

Adachi, Hiroki;  Miyajima, Yoji;  Shibata, Akinobu;  Terada, Daisuke;  Tsuji, Nobuhiro​​​​​​​
2012 in PROCEEDINGS OF THE 13TH INTERNATIONAL CONFERENCE ON ALUMINUM ALLOYS (ICAA13)
DOI: 10.1007/978-3-319-48761-8_11

YIELDING BEHAVIOR AND HALL-PETCH COEFFICIENT IN HIGH PURITY IRON

Nobuhiro Tsuji
2012 in Nanometals - Status and Perspective

PREFACE Special Issue on Advanced Materials Science in Bulk Nanostructured Metals

Nobuhiro Tsuji
2012 in Materials Transactions

Nanostructured steel for automotive body structures

Nobuhiro Tsuji
2012 in Advanced Materials in Automotive Engineering
DOI: 10.1533/9780857095466.57

POSSIBILITIES TO MANAGE BOTH HIGH STRENGTH AND GOOD DUCTILITY IN NANOSTRUCTURED METALS

Nobuhiro Tsuji
2012 in Nanometals - Status and Perspective

PREFACE

Naoya Kamikawa; Yoshiteru Aoyagi; Nobuhiro Tsuji
2012 in Materials Transactions
DOI: 10.2320/MATERTRANS.MPR2012901

Formation Mechanism of Ultrafine Grained Microstructures during Severe Plastic Deformation of Aluminum

N.Tsuji
Keikinzoku (J. Jpn. Inst. Light Metals), Vol.62, No.11 (2012), pp.392-397.

普通炭素鋼の組織と基礎特性（「塑性加工に必要な材料知識」連載講義）

辻　伸泰
塑性と加工、Vol.53, No.615 (2012), pp.327-331.

Dislocation Density Changes in Ultrafine-grain Aluminum during Tensile Deformation

Hiroki Adachi, Yoji Miyajima, Akinobu Shibata, Daisuke Terada and Nobuhiro Tsuji
Proc. of ICAA 13 (2012), pp.61-66.

Relationship between Hydrogen-Related Crack Propagation and Microstructure of Martensite in Low Carbon Martensitic Steel

Akinobu Shibata, Hiroshi Takahashi and Nobuhiro Tsuji
Proc. of the 3rd Int. Symp. on Steel Science (ISSS 2012): Nanoscale Inhomogeneity in Steels – Fundamentals and effects on microstructures and properties-, edited by T.Furuhara, H.Numakura and K.Ushioda, ISIJ, Tokyo (2012), pp.175-178.

The Effects of Mo and Initial Precipitate Distribution on (Nb,Ti)(C,N) Precipitate Size Evolution in a High-Temperature Carburizing Steel

C.M.Enloe, K.O.Findley, J.G.Speer, A.Shibata, D.Terada and N.Tsuji
Proc. of the 3rd Int. Symp. on Steel Science (ISSS 2012): Nanoscale Inhomogeneity in Steels – Fundamentals and effects on microstructures and properties-, edited by T.Furuhara, H.Numakura and K.Ushioda, ISIJ, Tokyo (2012), pp.163-166.

Yielding Behaviors and Hall-Petch Coefficient in High Purity Iron

Si Gao, Alinobu Shibata and Nobuhiro Tsuji
Proc. of the 33rd Riso Int. Symp. on Mater. Sci.: Nanometals – Status and Perspective, Edited by S.Faester, N.Hansen, X.Huang, D.Juul Jensen and B.Ralph, Dept. of Wind Energy, Technical University of Denmark (2012), pp.223-227.

Possibilities to Manage Both High Strength and Good Ductility in Nanostructured Metals

N.Tsuji
Proc. of the 33rd Riso Int. Symp. on Mater. Sci.: Nanometals – Status and Perspective, Edited by S.Faester, N.Hansen, X.Huang, D.Juul Jensen and B.Ralph, Dept. of Wind Energy, Technical University of Denmark (2012), pp.143-160.

Precise Measurement of Electrical Resistivity in ARB Processed Pure Ti

M. Ueda, K. Ota, M. Ikeda, D. Terada and N. Tsuji
Proc. of International Workshop on Bulk Nanostructured Metals, edited by A.Shibata and N.Tsuji, (2012), ISBN 978-4-9906794-0-8, pp.65-68.

Relationship between Ferrite Grain Size and Deformation Conditions in Dynamic Transformation

Nokeun Park, Sunisa Khamsuk, Akinobu Shibata and Nobuhiro Tsuji
Proc. of International Workshop on Bulk Nanostructured Metals, edited by A.Shibata and N.Tsuji, (2012), ISBN 978-4-9906794-0-8, pp.57-60.

Ultrafine Grained TWIP Steel Fabricated without Severe Plastic Deformation

Rajib Saha, Rintaro Ueji and Nobuhiro Tsuji
Proc. of International Workshop on Bulk Nanostructured Metals, edited by A.Shibata and N.Tsuji, (2012), ISBN 978-4-9906794-0-8, pp.53-56.

軽金属学会中国四国支部　論文賞　2012年10月

K.Nakagawa, T.Kanadani, N.Tsuji, D.Terada, T.Masui and Y.Sato
Effect of Aging Treatment on Ultra-Fine Grains and Si-Phase in Al-0.5%Si Alloy Fabricated by ARB Process
Mater. Trans.

Microstructure, Texture and Hardness Properties of Bulk Ultrafinegrained Al-2.5%Mg and Al-2.5%Mg-0.2%Sc Alloys Processed by Accumulative Roll Bonding (ARB)

○J.R.Gatti, P.P,Bhattacharjee and N.Tsuji
Inte. Symp. for Research Scholars on Metallurgy, Materials Science and Engineering (ISRS 2012)
IIT Chennai, India
2012.12.13-15

Fabrication of Bulk Nanostructured Metals by Severe Plastic Deformation or by Processes without Severe Plastic Deformation 

○Nobuhiro Tsuji
AMPT 2012
Univ. of Wollongong, Australia
2012.9.24-26

Unique Mechanical Properties of Bulk Nanostructured Metals 

○Nobuhiro Tsuji
ICSMA
India
2012.8

Dynamic Ferrite Transformation above Equilibrium Transformation Temperature in 6Ni-0.1C Steel

○Nokeun Park, Sunisa Khamsuk, Akinobu Shibata, Nobuhiro Tsuji
KIMM Conference
Korea
2012.4.27

UFG VII, TMS2012

○Nobuhiro Tsuji
Orlando, U.S.
2012.3.11-15

{123} <634>アルミニウム単結晶の繰り返し重ね接合圧延における集合組織の変化（Change in texture during accumulative roll bonding of {123} <634> aluminum single crystal）

○樫原恵蔵、辻本義孝、寺田大将、辻　伸泰
軽金属学会秋期講演大会
千葉工大
2012.11.10-11

鉄鋼の結晶粒微細化と相変態　＜招待講演＞

○辻　伸泰
日本材料学会・塑性工学部門委員会・材料データベース研究分科会
百万遍・材料学会
2012.6.22

繰り返し重ね接合圧延（ARB）法による{112} <111>アルミニウム単結晶の変形集合組織の発達（ Texture evolution in {112} <111> aluminum single crystal deformed by accumulative roll bonding (ARB) process )

○樫原恵蔵、辻本義孝、寺田大将、辻 伸泰
軽金属学会春期講演大会
九州大学伊都キャンパス
2012.5.20

ARB加工により作製された超微細粒Al-Si-Ge系合金の時効挙動（ Aging Behavior of Ultrafine Grained Al-Si-Ge Alloys Fabricated by ARB Process ）

○中川惠友、金谷輝人、Khairul NIzam、中野聡彦、寺田大将、辻 伸泰
軽金属学会春期講演大会
九州大学伊都キャンパス
2012.5.19

超微細粒強化と時効析出強化を並立させる新規アルミニウム合金展伸材の開発（ Development of Novel Wrought Aluminum Alloys Concurrently Strengthened by Ultrafine-grained and Precipitation Hardenings ）

○廣澤渉一、堀田善治、松田健二、寺田大将
軽金属学会春期講演大会
九州大学伊都キャンパス
2012.5.19

アルミニウムの巨大ひずみ加工による超微細粒組織の形成におよぼす温度と歪み速度の影響　＜基調講演＞（ Effect of Deformation Temperature and Strain Rate on Evolution of Ultrafine Grained Structures during Severe Plastic Deformation of Aluminum ）

○辻 伸泰、Sunisa Khamsuk、寺田大将、朴　魯謹、足立大樹
軽金属学会春期講演大会
九州大学伊都キャンパス
2012.5.19

巨大ひずみ加工により作製された超微細粒鋼の加工硬化に関する諸特性

○辻　伸泰
日本鉄鋼協会・加工硬化特性と組織研究会シンポジウム（最終報告会）「鉄鋼材料の加工硬化特性への新たな要求と基礎研究」
神田エッサムホール
2012.3.31

繰り返し重ね接合圧延法で作製した超微細粒鋼に対する水素侵入挙動と水素脆化

○春名　匠、寺田大将、辻　伸泰
日本鉄鋼協会「大気腐食反応に伴う水素発生・侵入の検出と界面反応機構の解明」シンポジウム
横浜国立大学
2012.3.30

Effects of strain rate and temperature on microstructure evolution in high purity aluminum during torsion deformation

○S.Khamsuk, D.Terada, NK.Park, H.Adachi and N.Tsuji
日本金属学会春期講演大会　「超微細粒組織制御の基礎」共同セッション（Fundamentals to Control Ultrafine Grained Microstructures）
横浜国立大学
2012.3.30

Yielding Behaviors and Hall-Petch Relationship in Pure Iron

○S. Gao, A. Shibata, N.Tsuji
日本金属学会春期講演大会
横浜国立大学
2012.3.30

8Ni-0.1C鋼の水素脆性に及ぼすマルテンサイト微視組織の影響　（最優秀ポスター賞受賞）（ Effect of microstructure of martensite on hydrogen embrittlement in 8Ni-0.1C steel ）

○松岡雄大、柴田曉伸，寺田大将，辻　伸泰
日本鉄鋼協会春期講演大会　学生ポスターセッション
横浜国立大学
2012.3.29

低・中炭素マルテンサイト鋼における水素脆化破断面の結晶学的解析（ Crystallographic analysis of hydrogen-related fracture surface in low carbon and medium carbon martensitic steel ）

○柴田曉伸，村田　有，高橋　弘，辻　伸泰
日本鉄鋼協会春期講演大会
横浜国立大学
2012.3.29

ARB加工または極低温圧延と時効析出によるCu-2.0wt%Ni-0.5wt%Si-0.1wt%Zr合金の強度向上

○高川優作。渡邊千尋、門前亮一、辻　伸泰
日本金属学会春期講演大会「超微細粒材料」
横浜国立大学
2012.3.28

Critical Zener-Hollomon parameter for the occurrence of Dynamic Transformation of Ferrite in 6Ni-0.1C Steel

○Nokeun Park, Sunisa Khamsuk, Akinobu Shibata, Nobuhiro Tsuji
日本鉄鋼協会春期講演大会
横浜国立大学
2012.3.28

鉄鋼の結晶粒微細化と相変態　＜招待講演＞

○辻　伸泰
日本材料学会・塑性工学部門委員会・材料データベース研究分科会
百万遍・材料学会
2012.6.22

巨大ひずみ加工により作製された超微細粒鋼の加工硬化に関する諸特性

○辻　伸泰
日本鉄鋼協会・加工硬化特性と組織研究会シンポジウム（最終報告会）「鉄鋼材料の加工硬化特性への新たな要求と基礎研究」
神田エッサムホール
2012.3.31

巨大ひずみ加工あるいは強加工を必要としないプロセスによるバルクナノメタルの創製（Fabrication of Bulk Nanostructured Metals by Severe Plastic Deformation or Other Processes without Severe Plastic Deformation）　＜招待講演＞

○辻　伸泰
粉体粉末冶金協会　平成24年度秋期大会　企画セッション「超微細結晶粒材料の創成と諸特性」
立命館大学　びわこ草津キャンパス
2012.11.22

構造材料の科学と社会への貢献

○辻　伸泰
京都大学オープンキャンパス・物理工学科・模擬講義（2回）
京都大学
2012.8.10

CMRi

○辻　伸泰
東北大・金研
2012.6.18

新元素戦略・構造材料拠点研究会

○辻　伸泰
京大・材料工学
2012.6.16