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| Content Provider | Springer Nature Link |
|---|---|
| Author | Song, Peilong Yang, Xuefeng Wang, Shouren Yang, Liying |
| Copyright Year | 2014 |
| Abstract | In order to improve the tribological properties of ceramic composites, Al$_{2}$O$_{3}$/TiC-Al$_{2}$O$_{3}$/TiC/CaF$_{2}$ self-lubricating laminated ceramic composites were prepared by vacuum hot pressing sintering. Experiments were conducted to get mechanical properties and the friction and wear properties were also measured with friction and wear tester. The worn surfaces were observed by scanning electron microscope (SEM) and energy dispersion spectrum (EDS). The wear resistance properties and the self-lubricating effect of ceramic composites were analyzed. Results show that the Al$_{2}$O$_{3}$/TiC-Al$_{2}$O$_{3}$/TiC/CaF$_{2}$ self-lubricating laminated ceramic composites layers are well-defined with a higher bonding strength and the mechanical performances are uniform enough to overcome the anisotropy of weak laminated ceramic composites. In addition, the fracture toughness of Al$_{2}$O$_{3}$/TiC layers is also improved. Its friction coefficient and wear rates decrease with the increase of rotation speed and load. Al$_{2}$O$_{3}$/TiC-Al$_{2}$O$_{3}$/TiC/CaF$_{2}$ self-lubricating laminated ceramic composites have good wear resistance because of the tribofilm formed by the CaF$_{2}$ solid lubricants. The wear mechanisms of Al$_{2}$O$_{3}$/TiC/CaF$_{2}$ layers are abrasive wear and Al$_{2}$O$_{3}$/TiC layers are adhesive wear. |
| Starting Page | 906 |
| Ending Page | 911 |
| Page Count | 6 |
| File Format | |
| ISSN | 10002413 |
| Journal | Journal of Wuhan University of Technology-Mater. Sci. Ed. |
| Volume Number | 29 |
| Issue Number | 5 |
| e-ISSN | 19930437 |
| Language | English |
| Publisher | Wuhan University of Technology |
| Publisher Date | 2014-10-04 |
| Publisher Place | Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | composites laminated ceramic materials self-lubricating wear and friction Materials Science |
| Content Type | Text |
| Resource Type | Article |
| Subject | Materials Science |
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