Friction and Wear of the TiB2–30 vol.% B4C Composite Consolidated in Spark Plasma Sintering

The tribotechnical properties of the TiB 2 –30 wt.% B 4 C composite material in pair with VK6 hard metal are investigated. The material demonstrates high wear resistance under dry friction conditions: the intensity of linear wear of the friction pair does not exceed 1.83 μm/km, the friction coeffici...

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Veröffentlicht in:	Powder metallurgy and metal ceramics 2017, Vol.55 (9-10), p.567-573
Hauptverfasser:	Zamula, M. V., Varchenko, V. T., Umerova, S. A., Zgalat-Lozinskii, O. B., Ragulya, A. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Boron carbide Ceramics Characterization and Evaluation of Materials Chemistry and Materials Science Coefficient of friction Composite materials Composites Dry friction Friction Friction resistance Glass Materials Science Metallic Materials Natural Materials Plasma sintering Refractory and Ceramic Materials Spark plasma sintering Titanium diboride Wear resistance
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Beschreibung
Zusammenfassung:	The tribotechnical properties of the TiB 2 –30 wt.% B 4 C composite material in pair with VK6 hard metal are investigated. The material demonstrates high wear resistance under dry friction conditions: the intensity of linear wear of the friction pair does not exceed 1.83 μm/km, the friction coefficient of the friction pair is 0.5. The analysis of 3D profiles of the sample surface shows the effect of smoothing of the surface of the ceramic composite by transfer of hard metal submicron particles on its surface and formation of tribofilm.
ISSN:	1068-1302 1573-9066
DOI:	10.1007/s11106-017-9840-5