Tribological Behavior of Titanium-Sintered Composites with Ring-Shaped TiN Dispersoids
The wide applicability of titanium (Ti) has prompted the analysis to improve its mechanical strength through the addition of different alloying elements. Among these, Ti materials with pre-mixed pure Ti and titanium nitride (TiN) powders as the starting materials have exhibited improved mechanical p...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-10-01
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| Series: | Lubricants |
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| Online Access: | https://www.mdpi.com/2075-4442/10/10/254 |
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| author | Junko Umeda Hiroko Fujii Ryota Takizawa Takuma Teramae Ammarueda Issariyapat Shota Kariya Yafeng Yang Shufeng Li Katsuyoshi Kondoh |
| author_facet | Junko Umeda Hiroko Fujii Ryota Takizawa Takuma Teramae Ammarueda Issariyapat Shota Kariya Yafeng Yang Shufeng Li Katsuyoshi Kondoh |
| author_sort | Junko Umeda |
| collection | DOAJ |
| description | The wide applicability of titanium (Ti) has prompted the analysis to improve its mechanical strength through the addition of different alloying elements. Among these, Ti materials with pre-mixed pure Ti and titanium nitride (TiN) powders as the starting materials have exhibited improved mechanical properties and tribological performance. In this study, the tribological properties of Ti matrix composites with ring-shaped TiN dispersoids were evaluated. The materials were fabricated from pre-mixed pure Ti powder and core–shell structured Ti–(N) powder, which were prepared by heat treatment at 1273 K under N<sub>2</sub> gas. The tribological behavior of the Ti–TiN composites was studied by varying the applied load using a ball-on-disk wear test under oil lubrication conditions. The initial familiarity period of the Ti–TiN composites decreased. Subsequently, compared to the pure Ti specimen employed as a reference material, the friction coefficient was significantly lower and more stable. This is attributed to the ring-shaped, hard TiN dispersoids, which prevented the adhesion phenomenon and improved the oil film formability owing to the increase in microhardness and abrasive wear resistance of the nitrogen solid solution in the core region. |
| first_indexed | 2024-03-09T03:34:56Z |
| format | Article |
| id | doaj.art-cb635f344d574d388fc621431042c6c0 |
| institution | Directory Open Access Journal |
| issn | 2075-4442 |
| language | English |
| last_indexed | 2024-03-09T03:34:56Z |
| publishDate | 2022-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Lubricants |
| spelling | doaj.art-cb635f344d574d388fc621431042c6c02023-12-03T14:50:15ZengMDPI AGLubricants2075-44422022-10-01101025410.3390/lubricants10100254Tribological Behavior of Titanium-Sintered Composites with Ring-Shaped TiN DispersoidsJunko Umeda0Hiroko Fujii1Ryota Takizawa2Takuma Teramae3Ammarueda Issariyapat4Shota Kariya5Yafeng Yang6Shufeng Li7Katsuyoshi Kondoh8Joining and Welding Research Institute, Osaka University, Ibaraki 567-0047, JapanJoining and Welding Research Institute, Osaka University, Ibaraki 567-0047, JapanGraduate School of Engineering, Osaka University, Suita 565-0871, JapanGraduate School of Engineering, Osaka University, Suita 565-0871, JapanJoining and Welding Research Institute, Osaka University, Ibaraki 567-0047, JapanJoining and Welding Research Institute, Osaka University, Ibaraki 567-0047, JapanChinese Academy of Sciences, Beijing 100049, ChinaSchool of Materials Science and Engineering, Xi’an University of Technology, Xi’an 710048, ChinaJoining and Welding Research Institute, Osaka University, Ibaraki 567-0047, JapanThe wide applicability of titanium (Ti) has prompted the analysis to improve its mechanical strength through the addition of different alloying elements. Among these, Ti materials with pre-mixed pure Ti and titanium nitride (TiN) powders as the starting materials have exhibited improved mechanical properties and tribological performance. In this study, the tribological properties of Ti matrix composites with ring-shaped TiN dispersoids were evaluated. The materials were fabricated from pre-mixed pure Ti powder and core–shell structured Ti–(N) powder, which were prepared by heat treatment at 1273 K under N<sub>2</sub> gas. The tribological behavior of the Ti–TiN composites was studied by varying the applied load using a ball-on-disk wear test under oil lubrication conditions. The initial familiarity period of the Ti–TiN composites decreased. Subsequently, compared to the pure Ti specimen employed as a reference material, the friction coefficient was significantly lower and more stable. This is attributed to the ring-shaped, hard TiN dispersoids, which prevented the adhesion phenomenon and improved the oil film formability owing to the increase in microhardness and abrasive wear resistance of the nitrogen solid solution in the core region.https://www.mdpi.com/2075-4442/10/10/254core–shell structured TiN powderring-shaped TiN dispersiontribological propertiestitanium matrix compositepowder metallurgyspark plasma sintering |
| spellingShingle | Junko Umeda Hiroko Fujii Ryota Takizawa Takuma Teramae Ammarueda Issariyapat Shota Kariya Yafeng Yang Shufeng Li Katsuyoshi Kondoh Tribological Behavior of Titanium-Sintered Composites with Ring-Shaped TiN Dispersoids Lubricants core–shell structured TiN powder ring-shaped TiN dispersion tribological properties titanium matrix composite powder metallurgy spark plasma sintering |
| title | Tribological Behavior of Titanium-Sintered Composites with Ring-Shaped TiN Dispersoids |
| title_full | Tribological Behavior of Titanium-Sintered Composites with Ring-Shaped TiN Dispersoids |
| title_fullStr | Tribological Behavior of Titanium-Sintered Composites with Ring-Shaped TiN Dispersoids |
| title_full_unstemmed | Tribological Behavior of Titanium-Sintered Composites with Ring-Shaped TiN Dispersoids |
| title_short | Tribological Behavior of Titanium-Sintered Composites with Ring-Shaped TiN Dispersoids |
| title_sort | tribological behavior of titanium sintered composites with ring shaped tin dispersoids |
| topic | core–shell structured TiN powder ring-shaped TiN dispersion tribological properties titanium matrix composite powder metallurgy spark plasma sintering |
| url | https://www.mdpi.com/2075-4442/10/10/254 |
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