Dry sliding wear resistance characterization of titanium matrix composites reinforced with titanium carbonitrides
-
- IZUI Hiroshi
- Department of Aerospace Engineering, Nihon University
-
- HATTORI Kotaro
- Department of Aerospace Engineering, Graduate School of Nihon University
-
- KOMIYA Yoshiki
- Department of Aerospace Engineering, Nihon University
抄録
<p>Pure Ti and Ti-6Al-4V alloy show high specific strength, excellent fatigue strength and good corrosion resistance; however, their poor wear resistance limits potentially wider application. To improve the wear resistance of pure Ti and Ti-6Al-4V alloy, they were reinforced with two types of titanium carbonitrides (TiC1-xNx), TiC0.3N0.7 (N rich) and TiC0.7N0.3 (C rich). The composites with 2.5, 5.0, 7.5 and 10.0 vol.% reinforcement were fabricated by spark plasma sintering (SPS). Dry wear tests of the composites were performed against a 10 mm-diameter high-carbon-chromium steel ball under 23 N normal load, at a sliding speed of 100 mm/s and a sliding distance of 500 m using a ball-on-disk configuration. The pure Ti and Ti-6Al-4V alloy matrix composites with TiC0.3N0.7 showed good wear resistance compared to the composites with TiC0.7N0.3. For the TiC0.3N0.7 reinforcement, the pure Ti matrix composite showed better wear resistance than the Ti-6Al-4V alloy matrix composite. The specific wear rate of the pure Ti matrix composite containing 10 vol.% TiC0.3N0.7 was almost zero. The amount of nitrogen diffused into the titanium matrix was higher than that of carbon diffused into the matrix. The Vickers hardnesses of the composites with TiC0.3N0.7 were higher than those of the composites with TiC0.7N0.3, due to the solid solution strengthening of the nitrogen in the Ti matrix. Therefore, the dry sliding wear characteristics of the titanium matrix composites depended on the amount of nitrogen diffused into the Ti matrix.</p>
収録刊行物
-
- Mechanical Engineering Journal
-
Mechanical Engineering Journal 7 (5), 20-00029-20-00029, 2020
一般社団法人 日本機械学会
- Tweet
キーワード
詳細情報 詳細情報について
-
- CRID
- 1391412326426432128
-
- NII論文ID
- 130007926534
-
- ISSN
- 21879745
-
- 本文言語コード
- en
-
- データソース種別
-
- JaLC
- Crossref
- CiNii Articles
-
- 抄録ライセンスフラグ
- 使用不可