Oxidation layer in sliding friction surface of high-purity Ti3SiC2

It is known that polycrystalline Ti3SiC2 is oxidisable in air in the temperature range from 900 to 1400 C. Similar oxidation could occur on the friction surface of polycrystalline Ti3SiC2. This was verified by studying the frictional oxidation behaviour of a sample that underwent 24000 m sliding dis...

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Veröffentlicht in:	Journal of materials science 2004-11, Vol.39 (21), p.6635-6637
Hauptverfasser:	Zhai, Hongxiang, Huang, Zhenying, Zhou, Yang, Zhang, Zhili, Wang, Yifan, Ai, Mingxing
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Friction, lubrication, and wear Materials science Mechanical and acoustical properties of condensed matter Mechanical properties of solids Oxidation Physics Sliding friction Titanium silicon carbide Treatment of materials and its effects on microstructure and properties Tribology and hardness
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Zusammenfassung:	It is known that polycrystalline Ti3SiC2 is oxidisable in air in the temperature range from 900 to 1400 C. Similar oxidation could occur on the friction surface of polycrystalline Ti3SiC2. This was verified by studying the frictional oxidation behaviour of a sample that underwent 24000 m sliding distance under 0.2 and 0.8 MPa normal pressures using a block-on-disc type tester incorporating a low carbon steel disc. An observed oxide layer was composed of amorphous titanium oxide, silicon oxide and ferric oxide. The layer seemed to be quite soft in comparison with the counterface of the steel disc. 9 refs.
ISSN:	0022-2461 1573-4803
DOI:	10.1023/B:JMSC.0000044910.49066.35