IMAI Hisashi 今井久志

… Alternative Names

今井久志イマイヒサシ

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Researcher Number	30452379
Affiliation (based on the past Project Information) *help	2019: 大阪大学, 接合科学研究所, 講師 2016: 大阪大学, 接合科学研究所, 講師 2014: 大阪大学, 接合科学研究所, 講師 2013: 大阪大学, 接合科学研究所, 特任講師 2011: 大阪大学, 接合科学研究所, 特任講師 2010: 大阪大学, 接合科学研究所, 特任研究員 2007 – 2008: 大阪大学, 接合科学研究所, 特任研究員
Review Section/Research Field	Principal Investigator Material processing/treatments / Material processing/Microstructural control engineering / Composite materials/Surface and interface engineering Except Principal Investigator Materials/Mechanics of materials / Material processing/Microstructural control engineering
Keywords	Principal Investigator 粉末冶金 / 複合材料 / 銅合金 / カーボンナノチューブ / 単分散 / 熱・電気伝導 / 粉末冶金法 / 銅粉末 / CNT / 熱・電気特性 … More / 炭素系ナノ粒子 / 銅 / アルミニウム / 炭素系ナノ材料 / 複合材料・物性 / 表面・界面物性 … More Except Principal Investigator 降伏応力 / 集合組織 / 強塑性加工 / マグネシウム / 異方性 / 粉末冶金 / 粉末プロセス / 純チタン Less

Comprehensive understanding of light elements solid solution contributing to toughening of pure titanium sintered materials
- Principal Investigator
  
  KONDOH KATSUYOSHI
- Project Period (FY)
  2016 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Material processing/Microstructural control engineering
- Research Institution
  Osaka University
C=O二重結合を利用した金属－CFRPの接着剤フリー高信頼性接合技術の構築Principal Investigator
- Principal Investigator
  
  今井久志
- Project Period (FY)
  2016
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Composite materials/Surface and interface engineering
- Research Institution
  Osaka University
Development of the energy saving composite dispersed with carbon nano-particles with both high strength and thermal and electrical conductivityPrincipal Investigator
- Principal Investigator
  
  IMAI Hisashi
- Project Period (FY)
  2013 – 2014
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Material processing/Microstructural control engineering
- Research Institution
  Osaka University
Dramatic improvement in thermal and electrical properties of copper alloy with nano-structure controlPrincipal Investigator
- Principal Investigator
  
  IMAI Hisashi
- Project Period (FY)
  2010 – 2011
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Material processing/treatments
- Research Institution
  Osaka University
強加工マグネシウム合金の降伏現象発現メカニズムの解析
- Principal Investigator
  
  KONDOH KATSUYOSHI
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Materials/Mechanics of materials
- Research Institution
  Osaka University

All 2017 2015 2014 2013 2011 Other

All Journal Article Presentation

[Journal Article] Study of twinning behavior of powder metallurgy Ti-Si alloy by interrupted in-situ tensile tests2017
- Author(s)
  X.X. Ye, H. Imai, J.H. Shen, B. Chen, G.Q. Han, J. Umeda, K. Kondoh
- Journal Title
  
  Materials Science & Engineering A
  
  Volume: 679 Pages: 543-553
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-16H02408
[Journal Article] Dynamic recrystallization behavior and strengthening-toughening effects in a near-α Ti-xSi alloy processed by hot extrusion2017
- Author(s)
  X.X. Ye, H. Imai, J.H. Shen, B. Chen, G.Q. Han, J. Umeda, M. Takahashi, K. Kondoh
- Journal Title
  
  Materials Science & Engineering A
  
  Volume: 684 Pages: 165-177
- DOI
  10.1016/j.msea.2016.12.054
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H02408
[Journal Article] The formation of bimodal multilayered grain structure and its effect on the mechanical properties of powder metallurgy pure titanium2017
- Author(s)
  J. Shen, B. Chen, X. Ye, H. Imai, J. Umeda, K. Kondoh
- Journal Title
  
  Materials and Design
  
  Volume: 116 Pages: 99-108
- DOI
  10.1016/j.matdes.2016.12.004
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-16H02408
[Journal Article] Enhanced Homogenization of Vanadium in Spark Plasma Sintering of Ti-10V-2Fe-3Al Alloy from Titanium and V-Fe-Al Master Alloy Powder Blends2017
- Author(s)
  Y. F. Yang, H, Imai, K. Kondoh, M. Qian
- Journal Title
  
  JOM
  
  Volume: 69 Pages: 663-668
- DOI
  10.1007/s11837-017-2271-4
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H02408
[Journal Article] Inter-Wall Bridging Induced Peeling of Multi-Walled Carbon Nanotubes during Tensile Failure in Aluminum Matrix Composites2015
- Author(s)
  B. Chen, S. Li, H. Imai, J. Umeda, M. Takahashi, K. Kondoh
- Journal Title
  
  Micron
  
  Volume: 69 Pages: 1-5
- DOI
  10.1016/j.micron.2014.10.005
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-25820369
[Journal Article] An approach for homogeneous carbon nanotube dispersion in Al matrix composites2015
- Author(s)
  B. Chen, S. Li, H. Imai, L. Jia, J. Umeda, M. Takahashi, K. Kondoh
- Journal Title
  
  Materials and Design
  
  Volume: 72 Pages: 1-8
- DOI
  10.1016/j.matdes.2015.02.003
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-25820369
[Journal Article] Load transfer strengthening in carbon nanotubes reinforced metal matrix composites via in-situ tensile tests2015
- Author(s)
  B. Chen, S. Li, H. Imai, L. Jia, J. Umeda, M. Takahashi, K. Kondoh
- Journal Title
  
  Composites Science and Technology
  
  Volume: 113 Pages: 1-8
- DOI
  10.1016/j.compscitech.2015.03.009
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-25820369
[Journal Article] Microstructural and Electrical Properties of Copper–Titanium Alloy Dispersed with Carbon Nanotubes via Powder Metallurgy Process2014
- Author(s)
  H. Imai, K. Kondoh, S. Li, J. Umeda, B. Fugetsu, M. Takahashi
- Journal Title
  
  MATERIALS TRANSACTIONS
  
  Volume: 55 Issue: 3 Pages: 522-527
- DOI
  10.2320/matertrans.y-m2013846
  10.2320/matertrans.Y-M2013846
- NAID
  130004455283
- ISSN
  1345-9678, 1347-5320
- Language
  English
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-25820369
[Journal Article] Characteristics of Lead-free Machinable Brass of Powder Metallurgy Cu-40 mass% Zn /1.0 mass% Mg with Graphite Particles2014
- Author(s)
  H. Imai, H. Atsumi, S. Li, K. Kondoh
- Journal Title
  
  Applied Mechanics and Materials
  
  Volume: 481 Pages: 79-85
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25820369
[Journal Article] Microstructural and Electrical Properties of Copper-titanium Alloy Dispersed with Carbon Nanotubes via Powder Metallurgy Process2014
- Author(s)
  H. Imai, K. Kondoh, S. Li, J. Umeda, B. Fugetsu
- Journal Title
  
  Materials Transactions
  
  Volume: 55 Pages: 522-527
- NAID
  40020002996
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25820369
[Journal Article] In Situ Synthesized Al4C3 Nanorods with Excellent Strengthening Effect in Aluminum Matrix Composites2014
- Author(s)
  B. Chen, L. Jia, S. Li, H. Imai, M. Takahashi, K. Kondoh
- Journal Title
  
  Advanced Engineering Materials
  
  Volume: 16 Pages: 972-975
- DOI
  10.1002/adem.201400232
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-25820369
[Journal Article] : Microstructure and Mechanical Properties of Cu-40%Zn-0.5%Cr Alloy by Powder Metallurgy2014
- Author(s)
  H. Imai, S. Li, K. Kondoh, Y. Kosaka, T. Okada, K. Yamamoto, M. Takahashi, J. Umeda
- Journal Title
  
  Materials Transactions
  
  Volume: 55 Pages: 528-533
- NAID
  40020003004
- Data Source
  KAKENHI-PROJECT-25820369
[Journal Article] Microstructure and Mechanical Properties of Cu–40%Zn–0.5%Cr Alloy by Powder Metallurgy2014
- Author(s)
  H. Imai, S. Li, K. Kondoh, Y. Kosaka, T. Okada, K. Yamamoto, M. Takahashi, J. Umeda
- Journal Title
  
  MATERIALS TRANSACTIONS
  
  Volume: 55 Issue: 3 Pages: 528-533
- DOI
  10.2320/matertrans.y-m2013847
  10.2320/matertrans.Y-M2013847
- NAID
  130004455284
- ISSN
  1345-9678, 1347-5320
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-25820369
[Presentation] Investigation of Powder Metallurgy Titanium Matrix Composites by Planetary Ball-milling of Ti Powder Dispersed with Vapour Grown Carbon Nanofibers2013
- Author(s)
  S. Li, K. Kondoh, B. Sun, H. Imai, J. Umeda
- Organizer
  Materials Science & Technology (MS&T) 2013
- Place of Presentation
  Montreal, Canada
- Data Source
  KAKENHI-PROJECT-25820369
[Presentation] Characteristics of lead-free machinable brass of powder metallurgy Cu-40 mass% Zn /1.0 mass% Mg with graphite particles2013
- Author(s)
  H. Imai, H. Atsumi, S. Li, K. Kondoh
- Organizer
  , 2013 2nd International Symposium on Quantum, Nano and Micro Technologies(ISQNM 2013)
- Place of Presentation
  Singapore
- Data Source
  KAKENHI-PROJECT-25820369
[Presentation] Effect of Titanium Addition on Mechanical and Electrical Properties of P/M Copper-Titanium Alloy Dispersed with Vapor-grown Carbon Fiber2013
- Author(s)
  H. Imai, K. Kondoh, S. Li, J. Umeda
- Organizer
  Materials Science & Technology (MS&T) 2013
- Place of Presentation
  Montreal, Canada
- Data Source
  KAKENHI-PROJECT-25820369
[Presentation] Ti微量添加銅合金粉末を用いた炭素系ナノ粒子分散複合材料の組織と諸特性2011
- Author(s)
  今井久志, 近藤勝義
- Organizer
  粉体粉末冶金協会平成23年度秋季大会
- Place of Presentation
  大阪大学
- Year and Date
  2011-10-27
- Data Source
  KAKENHI-PROJECT-22760558
[Presentation] Effect of Alloying Elements on Mechanical Properties and Electrical Conductivity of P/M Copper Alloys Dispersed with Vapor-grown Carbon Fiber
- Author(s)
  H. Imai, K. Kondoh
- Organizer
  Materials Science & Technology　2014
- Place of Presentation
  Pittsburg, USA
- Year and Date
  2014-10-12 – 2014-10-16
- Data Source
  KAKENHI-PROJECT-25820369
[Presentation] Dependence of carbon structure on machinability of P/M high strength brass composite with graphite particle
- Author(s)
  H. Imai, K. Kondoh
- Organizer
  ICM&P2014
- Place of Presentation
  Detroit, USA
- Year and Date
  2014-06-09 – 2014-06-13
- Data Source
  KAKENHI-PROJECT-25820369
[Presentation] Effect of Chromium Behavior on Mechanical and Electrical Properties of P/m Copper-chromium Alloy Dispersed With VGCF
- Author(s)
  Hisashi Imai, Kuan-yu Chen, Katsuyoshi Kondoh, Hung-yin Tsai, Junko Umeda
- Organizer
  ICMSEM 2015
- Place of Presentation
  Singapore
- Year and Date
  2015-07-04 – 2015-07-05
- Data Source
  KAKENHI-PROJECT-25820369
[Presentation] Comparing Strengthening Mechanisms of Vapor Grown Carbon Fiber vs. Titanium Carbide Reinforced PM Titanium
- Author(s)
  F. Staub, K. Kondoh, J. Umeda, H. Imai
- Organizer
  TMS 2015
- Place of Presentation
  Orland, USA
- Year and Date
  2015-03-15 – 2015-03-19
- Data Source
  KAKENHI-PROJECT-25820369
[Presentation] Crack Formation in Powder Metallurgy CNT/Al Composites during Post Heat Treatment
- Author(s)
  B. Chen, L. Jia, H. Imai, K. Kondoh
- Organizer
  TMS 2015
- Place of Presentation
  Orland, USA
- Year and Date
  2015-03-15 – 2015-03-19
- Data Source
  KAKENHI-PROJECT-25820369
[Presentation] 添加元素が及ぼす VGCF 分散銅基複合粉末材料の力学および電気特性
- Author(s)
  今井久志，近藤勝義
- Organizer
  粉体粉末冶金協会平成 26 年度春季大会（第 113 回講演大会）
- Place of Presentation
  東京
- Year and Date
  2014-06-03 – 2014-06-05
- Data Source
  KAKENHI-PROJECT-25820369

1. KONDOH KATSUYOSHI (50345138)

# of Collaborated Projects: 2 results

# of Collaborated Products: 4 results
2. 芹川正 (10345168)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 川端健詞 (50432422)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 梅田純子 (50345162)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results

IMAI Hisashi 今井 久志

今井 久志 イマイ ヒサシ

Research Projects

Research Products

Co-Researchers

Comprehensive understanding of light elements solid solution contributing to toughening of pure titanium sintered materials

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

C=O二重結合を利用した金属－CFRPの接着剤フリー高信頼性接合技術の構築Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Development of the energy saving composite dispersed with carbon nano-particles with both high strength and thermal and electrical conductivityPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Dramatic improvement in thermal and electrical properties of copper alloy with nano-structure controlPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

強加工マグネシウム合金の降伏現象発現メカニズムの解析

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Study of twinning behavior of powder metallurgy Ti-Si alloy by interrupted in-situ tensile tests2017

Author(s)

Journal Title

Data Source

[Journal Article] Dynamic recrystallization behavior and strengthening-toughening effects in a near-α Ti-xSi alloy processed by hot extrusion2017

Author(s)

Journal Title

DOI

Data Source

[Journal Article] The formation of bimodal multilayered grain structure and its effect on the mechanical properties of powder metallurgy pure titanium2017

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Enhanced Homogenization of Vanadium in Spark Plasma Sintering of Ti-10V-2Fe-3Al Alloy from Titanium and V-Fe-Al Master Alloy Powder Blends2017

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Inter-Wall Bridging Induced Peeling of Multi-Walled Carbon Nanotubes during Tensile Failure in Aluminum Matrix Composites2015

Author(s)

Journal Title

DOI

Data Source

[Journal Article] An approach for homogeneous carbon nanotube dispersion in Al matrix composites2015

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Load transfer strengthening in carbon nanotubes reinforced metal matrix composites via in-situ tensile tests2015

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Microstructural and Electrical Properties of Copper&ndash;Titanium Alloy Dispersed with Carbon Nanotubes via Powder Metallurgy Process2014

Author(s)

Journal Title

DOI

NAID

ISSN

Language

Data Source

[Journal Article] Characteristics of Lead-free Machinable Brass of Powder Metallurgy Cu-40 mass% Zn /1.0 mass% Mg with Graphite Particles2014

Author(s)

Journal Title

IMAI Hisashi 今井久志

今井久志イマイヒサシ

[Journal Article] Microstructural and Electrical Properties of Copper–Titanium Alloy Dispersed with Carbon Nanotubes via Powder Metallurgy Process2014

[Journal Article] Microstructure and Mechanical Properties of Cu–40%Zn–0.5%Cr Alloy by Powder Metallurgy2014