＜行政が活用することが見込まれる成果＞

特に記載すべき事項はない。

### 6. 研究成果の主な発表状況

## （１）主な誌上発表

## <查読付論文>

1) T. Jones, K. Kondoh, T. Mimoto, N. Nakanishi, J. Umeda: The Development of a Ti-6Al-4V Alloy via Oxygen Solid Solution Strengthening for Aerospace & Defense Applications, Key Engineering Materials, 551, (2013), 118–126

2) 三本嵩哲，李樹豊，梅田純子，近藤勝義：水素によるチタン焼結押出材の高強度発現機構，粉体および粉末冶金，60，11，（2013），467-474

3) L. Jia, B. Chen, S. Li, H. Imai, M. Takahashi, K. Kondoh: Stability of strengthening effect of in situ formed TiCp and TiBw on the elevated temperature strength of $ (\mathrm{TiCp}+\mathrm{TiBw})/\mathrm{Ti} $ composites, Journal of Alloys and Compounds, 614, (2014), 29–34

4) L. Jia, S. Li, H. Imai, B. Chen, K. Kondoh: Size effect of B4C powders on metallurgical reaction and resulting tensile properties of Ti matrix composites by in-situ reaction from Ti-B4C system under a relatively low temperature, Materials Science & Engineering A, 614, (2014), 129-135

5) K. Kondoh, B. Sun, S. Li, H. Imai, J. Umeda: Experimental and Theoretical Analysis of Nitrogen Solid-Solution Strengthening of PM Titanium, International Journal of Powder Metallurgy, 50, 3, (2014), 35–40

6) L. Jia, B. Chen, S. Li, H. Imai, K. Kondoh: Pinning Effect of In-Situ TiCp and TiBw on the Grain Size and Room Temperature Strength of $ (\mathrm{TiC} + \mathrm{TiB})/\mathrm{Ti} $ Composites, KONA Powder and Particle Journal, 32, (2015), 264–269

7) S. Li, K. Kondoh, H. Imai, B. Chen, L. Jia, J. Umeda: Microstructure and mechanical properties of P/M titanium matrix composites reinforced by in-situ synthesized TiC-TiB, Materials Science & Engineering A, 628, (2015), 75-83

8) T. Mimoto, J. Umeda, K. Kondoh: Titanium Powders via Gas–Solid Direct Reaction Process and Mechanical Properties of Their Extruded Materials, Materials Transactions, 56, 8 (2015), 1153–1158

## （２）主な口頭発表（学会等）

## <国際学会発表>

1) K. Kondoh, S. Li, S. Bin, T. Mimoto, H. Imai, J. Umeda: Pure Titanium with High Strength and Excellent Ductility by Solid Solute Oxygen Strengthening via Powder Metallurgy Route, Materials Science & Technology (MS&T) 2013, 3004–3008, Montreal, Canada, (2013.10.27–31)

2) T. Mimoto, J. Umeda, K. Kondoh: Microstructures and Mechanical Properties of Extruded Powder Metallurgy Pure Ti Materials by Gas-Solid Reaction Process, Materials Science & Technology (MS&T) 2014, Pittsburgh, USA, (2014.10.12–16)

3) K. Kondoh, T. Mimoto, J. Umeda, H. Imai, L. Jia: State-of-Art of Powder Metallurgy Titanium, 2nd JWRI–MSE Workshop on Materials Design and Joining 2015, Taipei, Taiwan, (2015.1.7–8)

4) T. Mimoto, J. Umeda, K. Kondoh: Strengthening Behavior and Mechanisms of Extruded Powder Metallurgy Pure Ti Materials Reinforced with Ubiquitous Light Elements, TMS 2015, Orlando, USA, (2015.3.15–19)

5) K. Kondoh, L. Jia, T. Mimoto, J. Umeda, H. Imai: A small solute oxygen and silicon elements enhancing strength and ductility of pure titanium matrix composite, TMS 2015, Orlando, USA, (2015.3.15–19)

6) K. Kondoh: State-of-the-Art in Metal Matrix Composites Reinforced with Carbon Nanotubes by Powder Metallurgy Process, Nanotech France 2015, Paris, France, (2015.6.15–17), (Plenary Talk)

7) T. Mimoto, J. Umeda, K. Kondoh: Mechanical Performance and Microstructure of Extruded Pure Ti Based Materials Reinforced with Nitrogen and Hydrogen via Powder Metallurgy Route, Ti–2015: The 13th World Conference on Titanium, San Diego, USA, (2015.8.16–20)