Yamaguchi Masatake 山口正剛

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YAMAGUCHI Masatake 山口正剛

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Researcher Number	50360417
Other IDs
Affiliation (Current)	2025: 国立研究開発法人日本原子力研究開発機構, システム計算科学センター, 研究主幹
Affiliation (based on the past Project Information) *help	2017: 原子力研究開発機構, システム計算科学センター, 研究員 2015: 国立研究開発法人日本原子力研究開発機構, その他部局等, 研究員 2015: 国立研究開発法人日本原子力研究開発機構, システム計算科学センター, 研究主幹 2015: 日本原子力研究開発機構, システム計算科学センター, 研究主幹 2013 – 2014: 独立行政法人日本原子力研究開発機構, その他部局等, 研究員 … More 2012 – 2014: 独立行政法人日本原子力研究開発機構, システム計算科学センター, 研究主幹 2011: 日本原子力研究開発機構, システム計算科学センター, 研究主幹 2011: 独立行政法人日本原子力研究開発機構, システム計算科学センター, 研究副主幹 Less
Review Section/Research Field	Except Principal Investigator Nuclear engineering / Structural/Functional materials / Nanomaterials engineering / Science and Engineering
Keywords	Except Principal Investigator 強度・破壊靭性 / 電子顕微鏡 / 機能・構造材料 / 構造・機能材料 / 靭性 / 転位 / 破壊 / 高靱性 / 高靭性 / 生体内分解性 … More / 高靱性化 / 高強度化 / 共偏析 / 溶質原子 / 結晶粒微細化 / 粒界凝集エネルギー / ヘテロ・ホモ構造 / 国際情報交換 / 自己格子間原子 / 第一原理計算 / キネティックモンテカルロ / 格子間原子 / レニウム / タングステン / スウェリング / 照射 / 転位バイアス因子 / 照射スウェリング / 格子間原子の拡散 / 転位バイアス / 第一原理電子状態計算 / 添加元素 / 積層欠陥 / 軽量構造材料 / LPSO構造 / 電子炉高経年化 / 陽電子消滅 / レーザー / 真空破面蒸着 / 応力腐食割れ / 原子炉高経年化 / 3次元アトムプローブ / 粒界脆化 / 粒界偏析 Less

Study on fracture toughness unifying nanomaterials science and micro fracture mechanics.
- Principal Investigator
  
  Higashida Kenji
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Structural/Functional materials
- Research Institution
  Sasebo National College of Technology
  Kyushu University
Guide for material design in strengthening and toughening of biodegradable magnesium alloy through heterogeneous distribution of solute near grain boundary
- Principal Investigator
  
  MUKAI TOSHIJI
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Nanomaterials engineering
- Research Institution
  Kobe University
Theoretical clarification of dislocation bias factor
- Principal Investigator
  
  Suzudo Tomoaki
- Project Period (FY)
  2012 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Nuclear engineering
- Research Institution
  Japan Atomic Energy Agency
Exploring the electronic and structural properties of LPSO structures through first-principles-based computational science
- Principal Investigator
  
  Kimizuka Hajime
- Project Period (FY)
  2011 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Review Section
  
  Science and Engineering
- Research Institution
  Osaka University
Atomic scale observation of grain boundary segregation in nuclear materials by atom probe tomography and study on mechanism of grain boundary degradation
- Principal Investigator
  
  NAGAI Yasuyoshi
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Nuclear engineering
- Research Institution
  Tohoku University

All 2016 2015 2014 2013 2012 Other

All Journal Article Presentation

[Journal Article] Effect of aluminum or zinc solute addition on enhancing impact fracture toughness in Mg–Ca alloys2016
- Author(s)
  T. Hase ,T. Ohtagaki, M. Yamaguchi, N. Ikeo, T. Mukai
- Journal Title
  
  Acta Materialia,
  
  Volume: 104 Pages: 283-294
- DOI
  10.1016/j.actamat.2015.11.045
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25246012
[Journal Article] Atomistic study on the cross-slip process of a screw dislocation in magnesium2015
- Author(s)
  M. Itakura, H. Kaburaki, M. Yamaguchi, T. Tsuru
- Journal Title
  
  Modelling and Simulation in Materials Science and Engineering
  
  Volume: 23 Issue: 6 Pages: 065002-065002
- DOI
  10.1088/0965-0393/23/6/065002
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PLANNED-23109004
[Journal Article] Effect of Zinc and Calcium Solute Additions on Deformation Behavior of Mg Estimated by First Principles Calculation2015
- Author(s)
  T. Hase, T. Ohtagaki, M. Yamaguchi, N. Ikeo, T. Mukai
- Journal Title
  
  Proceedings of Mg 2015
  
  Volume: - Pages: 254-257
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25246012
[Journal Article] Two-Dimensional Ordering of Solute Nanoclusters at a Close-Packed Stacking Fault: Modeling and Experimental Analysis2014
- Author(s)
  H. Kimizuka, S. Kurokawa, A. Yamaguchi, A. Sakai, S. Ogata
- Journal Title
  
  Scientific Reports
  
  Volume: 4 Issue: 1
- DOI
  10.1038/srep07318
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-ORGANIZER-23109001, KAKENHI-PLANNED-23109004, KAKENHI-PROJECT-24686072, KAKENHI-PROJECT-25630013, KAKENHI-PUBLICLY-26109711, KAKENHI-PROJECT-23246025
[Journal Article] Effect of Solute Segregation on Fracture Behavior of Mg Alloy2014
- Author(s)
  Tomoaki Kawa, Masatake Yamaguchi, Naoko Ikeo, Toshiji Mukai
- Journal Title
  
  Magnesium Technology 2015
  
  Volume: NA Pages: 197-200
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25246012
[Journal Article] Stability and mobility of rhenium and osmium in tungsten: first principles study2014
- Author(s)
  T. Suzudo, M. Yamaguchi, A. Hasegawa
- Journal Title
  
  Modelling and Simulation in Materials Science and Engineering
  
  Volume: 22 Pages: 075006-075006
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24561044
[Journal Article] Introduction of vacancy drag effect to first-principles-based rate theory2013
- Author(s)
  K. Ebihara, T. Suzudo, M. Yamaguchi, Y. Nishiyama
- Journal Title
  
  J. of Nuclear Materials
  
  Volume: 440 Issue: 1-3 Pages: 627632-627632
- DOI
  10.1016/j.jnucmat.2013.05.066
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24561044
[Presentation] Effect of Solute Segregation on Fracture Behavior of Mg Alloy2015
- Author(s)
  Tomoaki Kawa, Masatake Yamaguchi, Naoko Ikeo, Toshiji Mukai
- Organizer
  TMS2015 144th Annual Meeting & Exhibition
- Place of Presentation
  Orlando, USA
- Year and Date
  2015-03-17
- Data Source
  KAKENHI-PROJECT-25246012
[Presentation] Effect of calcium solute addition on improving mechanical properties of magnesium alloys2015
- Author(s)
  T. Hase ,T. Ohtagaki, M. Yamaguchi, N. Ikeo, T. Mukai
- Organizer
  Twenty-Fourth International Symposium on Processing and Fabrication of Advanced Materials (PFAM XXIV)2015
- Place of Presentation
  関西大学（大阪府・吹田市）
- Year and Date
  2015-12-20
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25246012
[Presentation] Novel cross-slip behavior of the pyramidal screw dislocations in Mg2015
- Author(s)
  M. Itakura, H. Kaburaki, M. Yamaguchi, T. Tsuru
- Organizer
  Materials Research Society (MRS) 2015 Fall Meeting
- Place of Presentation
  Hynes Convention Center, Boston, USA
- Year and Date
  2015-11-29
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-23109004
[Presentation] A molecular dynamics study on the generation and gliding of a non-basal dislocation and its interaction with a twin boundary in magnesium2015
- Author(s)
  H. Kaburaki, M. Itakura, M. Yamaguchi, T. Tsuru
- Organizer
  Materials Research Society (MRS) 2015 Fall Meeting
- Place of Presentation
  Hynes Convention Center, Boston, USA
- Year and Date
  2015-11-29
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-23109004
[Presentation] 一軸圧縮下のLPSO 構造における転位のパイエルス応力低下2014
- Author(s)
  山口正剛, 板倉充洋, 蕪木英雄, 志賀基之, 阿部英司
- Organizer
  日本金属学会2014年春期大会
- Place of Presentation
  東京工業大学
- Data Source
  KAKENHI-PLANNED-23109004
[Presentation] マグネシウムの加工性向上のための元素探索：第一原理計算2014
- Author(s)
  山口正剛
- Organizer
  日本機械学会関西支部第８９期定時総会講演会
- Place of Presentation
  大阪府立大学, 堺
- Invited
- Data Source
  KAKENHI-PROJECT-25246012
[Presentation] LPSO構造の一般化積層欠陥エネルギー：第一原理計算2013
- Author(s)
  山口正剛, 板倉充洋, 志賀基之, 蕪木英雄
- Organizer
  日本金属学会2013年春期大会・公募シンポジウムS6「シンクロ型LPSO構造の科学と工学」
- Place of Presentation
  東京理科大学
- Year and Date
  2013-03-27
- Data Source
  KAKENHI-PLANNED-23109004
[Presentation] Molecular dynamics study on cross-slip mechanisms of a screw dislocation in magnesium2013
- Author(s)
  H. Kaburaki, M. Itakura, M. Yamaguchi, T.Tsuru
- Organizer
  2013 Materials Research Society (MRS) Fall Meeting & Exhibit
- Place of Presentation
  Hynes Convention Center, Boston, USA
- Data Source
  KAKENHI-PLANNED-23109004
[Presentation] First-Principles Calculations of the Core Structure and Mobility of Pyramidal Dislocations in Mg2013
- Author(s)
  M. Itakura, H. Kaburaki, M. Yamaguchi, T.Tsuru
- Organizer
  2013 Materials Research Society (MRS) Fall Meeting & Exhibit
- Place of Presentation
  Hynes Convention Center, Boston, USA
- Data Source
  KAKENHI-PLANNED-23109004
[Presentation] 第一原理計算手法によるW-Re, W-Os, Mo-Re合金における照射欠陥解析2013
- Author(s)
  鈴土知明、山口正剛、都留智仁
- Organizer
  東北大学金属材料研究所セミナー
- Place of Presentation
  東北大学金属材料研究所
- Data Source
  KAKENHI-PROJECT-24561044
[Presentation] First-principles calculations on the LPSO structure: gamma-surface etc.2012
- Author(s)
  M. Yamaguchi, M. Itakura, H. Kaburaki, M. Shiga
- Organizer
  International Symposium on Long-Period Stacking Ordered Structure and Its Related Materials 2012 (LPSO2012)
- Place of Presentation
  Sapporo, Japan
- Year and Date
  2012-10-02
- Data Source
  KAKENHI-PLANNED-23109004
[Presentation] First-principles study of the Prismatic Dislocation Motion in Mg2012
- Author(s)
  M. Itakura, H. Kaburaki, M. Yamaguchi, T. Tsuru
- Organizer
  2012 Materials Research Society (MRS) Fall Meeting Exhibit
- Place of Presentation
  Boston, USA
- Year and Date
  2012-11-25
- Data Source
  KAKENHI-PLANNED-23109004
[Presentation] Dislocation Motion on the Prismatic Plane in Magnesium - Molecular Dynamics Simulation -2012
- Author(s)
  H. Kaburaki, M. Itakura, M. Yamaguchi, T. Tsuru
- Organizer
  2012 Materials Research Society (MRS) Fall Meeting Exhibit
- Place of Presentation
  Boston, USA
- Year and Date
  2012-11-25
- Data Source
  KAKENHI-PLANNED-23109004
[Presentation] A Molecular Dynamics Study on the Structure and Formation Mechanisms of Non-basal Dislocations in Magnesium
- Author(s)
  H. Kaburaki, M. Itakura, M. Yamaguchi
- Organizer
  2nd International Symposium on Long-Period Stacking Ordered Structure and Its Related Materials (LPSO2014)
- Place of Presentation
  Hotel Nikko Kumamoto, Kumamoto
- Year and Date
  2014-10-05 – 2014-10-08
- Data Source
  KAKENHI-PLANNED-23109004
[Presentation] A molecular dynamics study on the structure and formation mechanisms of a <c+a> dislocation in magnesium
- Author(s)
  H. Kaburaki, M. Itakura, M. Yamaguchi, T. Tsuru
- Organizer
  Materials Research Society (MRS) 2014 Fall Meeting
- Place of Presentation
  Hynes Convention Center, Boston
- Year and Date
  2014-11-30 – 2014-12-05
- Data Source
  KAKENHI-PLANNED-23109004
[Presentation] Reduction of Peierls Stress of LPSO Structure under Uniaxial Compression: First-Principles Calculations
- Author(s)
  M. Yamaguchi, M. Itakura, M. Shiga, H. Kaburaki, E. Abe
- Organizer
  2nd International Symposium on Long-Period Stacking Ordered Structure and Its Related Materials (LPSO2014)
- Place of Presentation
  Hotel Nikko Kumamoto, Kumamoto
- Year and Date
  2014-10-05 – 2014-10-08
- Data Source
  KAKENHI-PLANNED-23109004
[Presentation] LPSO構造における一般化積層欠陥エネルギー
- Author(s)
  山口正剛, 板倉充洋, 志賀基之, 蕪木英雄, 阿部英司
- Organizer
  日本金属学会2015年春期講演大会
- Place of Presentation
  東京大学
- Year and Date
  2015-03-18 – 2015-03-20
- Invited
- Data Source
  KAKENHI-PLANNED-23109004
[Presentation] Migration of rhenium and osmium in tungsten
- Author(s)
  T. Suzudo, M. Yamaguchi, A. Hasegawa
- Organizer
  Joint ICTP-IAEA Conference
- Place of Presentation
  イタリア、トリエステ
- Year and Date
  2014-11-03 – 2014-11-07
- Invited
- Data Source
  KAKENHI-PROJECT-24561044
[Presentation] Morphology of Pyramidal Screw Dislocations in Mg
- Author(s)
  M. Itakura, H. Kaburaki, M. Yamaguchi, T. Tsuru
- Organizer
  Materials Research Society (MRS) 2014 Fall Meeting
- Place of Presentation
  Hynes Convention Center, Boston
- Year and Date
  2014-11-30 – 2014-12-05
- Data Source
  KAKENHI-PLANNED-23109004
[Presentation] Simulation for Temperature Dependence of Irradiation-induced Grain-boundary Phosphorus Segregation using First-principles-based Rate Theory Model
- Author(s)
  K.Ebihara, T. Suzudo, M. Yamaguchi, Y. Nishiyama
- Organizer
  NuＭat 2014
- Place of Presentation
  米国、フロリダ
- Year and Date
  2014-10-27 – 2014-10-30
- Data Source
  KAKENHI-PROJECT-24561044
[Presentation] W中のReおよびOsの拡散：第一原理計算による検討
- Author(s)
  鈴土　知明、　山口　正剛、　長谷川　晃
- Organizer
  日本金属学会　２０１４秋期大会
- Place of Presentation
  名古屋大学
- Year and Date
  2014-09-24 – 2014-09-26
- Data Source
  KAKENHI-PROJECT-24561044

1. NAGAI Yasuyoshi (10302209)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. TOYAMA Takeshi (50510129)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. HATAKEYAMA Masahiko (30375109)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. MATSUKAWA Yoshitaka (70566356)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. SHIMIZU Yasuo (40581963)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. NISHIYAMA Yutaka (60414596)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. Kimizuka Hajime (60467511)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
8. MATSUNAKA DAISUKE (60403151)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. ITAKURA MITSUHIRO (90370353)

# of Collaborated Projects: 1 results

# of Collaborated Products: 15 results
10. KABURAKI HIDEO (10360413)

# of Collaborated Projects: 1 results

# of Collaborated Products: 15 results
11. SHIGA MOTOYUKI (40370407)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
12. OGATA SHIGENOBU (20273584)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. Suzudo Tomoaki (60414538)

# of Collaborated Projects: 1 results

# of Collaborated Products: 6 results
14. TSURU Tomohito (80455295)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
15. MUKAI TOSHIJI (40254429)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
16. SHIMIZU Yoshinaka (30302152)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. SINGH Alok (60354213)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. IKEO Naoko (80647644)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
19. Higashida Kenji (70156561)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. MATSUMURA Syo (60150520)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. SHIMOKAWA Tomotsugu (40361977)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 田中將己 (40452809)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. 森川龍哉 (00274506)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. 定松直 (10709554)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Yamaguchi Masatake 山口 正剛

YAMAGUCHI Masatake 山口 正剛

Research Projects

Research Products

Co-Researchers

Study on fracture toughness unifying nanomaterials science and micro fracture mechanics.

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Guide for material design in strengthening and toughening of biodegradable magnesium alloy through heterogeneous distribution of solute near grain boundary

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Theoretical clarification of dislocation bias factor

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Exploring the electronic and structural properties of LPSO structures through first-principles-based computational science

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Atomic scale observation of grain boundary segregation in nuclear materials by atom probe tomography and study on mechanism of grain boundary degradation

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Effect of aluminum or zinc solute addition on enhancing impact fracture toughness in Mg&#8211;Ca alloys2016

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Atomistic study on the cross-slip process of a screw dislocation in magnesium2015

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Effect of Zinc and Calcium Solute Additions on Deformation Behavior of Mg Estimated by First Principles Calculation2015

Author(s)

Journal Title

Data Source

[Journal Article] Two-Dimensional Ordering of Solute Nanoclusters at a Close-Packed Stacking Fault: Modeling and Experimental Analysis2014

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Effect of Solute Segregation on Fracture Behavior of Mg Alloy2014

Author(s)

Journal Title

Data Source

[Journal Article] Stability and mobility of rhenium and osmium in tungsten: first principles study2014

Author(s)

Journal Title

Data Source

[Journal Article] Introduction of vacancy drag effect to first-principles-based rate theory2013

Author(s)

Journal Title

DOI

Data Source

[Presentation] Effect of Solute Segregation on Fracture Behavior of Mg Alloy2015

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] Effect of calcium solute addition on improving mechanical properties of magnesium alloys2015

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] Novel cross-slip behavior of the pyramidal screw dislocations in Mg2015

Yamaguchi Masatake 山口正剛

YAMAGUCHI Masatake 山口正剛

[Journal Article] Effect of aluminum or zinc solute addition on enhancing impact fracture toughness in Mg–Ca alloys2016