Machines. Technologies. Materials.
Vol. 18 (2024), Issue 7, pg(s) 235-237

MATERIALS

Tribological characteristics and structure formation of P6M5K5-TiC carbide steels for use in hybrid junctions of the metal-matrix composite-ceramic system

  • 1 Frantsevich Institute for Problems in Materials Science, NASU, Kyiv, Ukraine

Abstract

The article investigates the influence of the technological parameters of manufacturing and the effect of the initial charge on the structure and tribological properties of carbide steel when used in hybrid components of the metal-matrix composite-ceramic system. It was found that the titanium carbide content of the initial charge was the determining factor in the formation of the properties. At the same time, an increase in the titanium carbide content above 20 (wt. %) does not lead to a significant increase in the hardness of the composite, and in some cases even to a decrease in hardness. It is also worth noting that the use of sprayed high-speed steel powder to prepare the mixture allows the composite to be obtained with fewer technological transitions. According to the results of tribological studies, it was found that the lowest wear was observed when the ceramics were paired with a composite with a titanium carbide content of 10 and 30 (wt. %). At the same time, the results of the analysis of friction track profilometry and the size of the contact patch showed that as the content of the carbide component increases to 30 (wt. %), a change in the nature of the friction occurs, accompanied by intensive wear of the ceramic ball. In the ceramic-carbide-steel (10 wt. % TiC) friction pair, however, no wear of the ceramic ball was observed, and the cross-sectional shape of the friction track changed from spherical to flat.

Keywords

References

  1. Pallini, R.A.: “Turbine engine bearings for ultra-high temperatures”, SKF Ball Bearing Journal 234, September 1989.
  2. Доценко В.Н./ В.Н. Доценко, С.В. Никитин // Авиационно- космическая техника и технология, 2008. – No8. – С. 138 – 144.
  3. T. Fukudome, S. Tsuruzono, W. Karasawa, Y. Ichikawa 2002, “Development and Evaluation of Ceramic Components for Gas Turbine” ASME Paper GT-2002-30627.
  4. Y. Etori, T. Hisamatsu, I. Yuri, Y. Yasutomi, T. Machida and K. Wada 1997, “Oxidation Behavior of Ceramics for Gas Turbine Combustion Gas Flow at 1500 oC” ASME Paper 97-GT- 355.
  5. K. L. More, P. F. Tortorelli, M. K. Ferber, L. R. Walker, J. R. Keiser, N. Miriyala, W. D. Brenrnall and J. R. Price 1999, “Exposure of Ceramics and Ceramic Matrix Composites in Simulated and Actual Combustor Environments” ASME Paper 99- GT-292.
  6. B. Schenk, T. Stangman, E. J. Opila, R.C.Robinson, D. S. Fox, H. Klemm, C. Taut, K. More and P. Torterelli 2001, “Oxidation Behavior of Prospective Silicon Nitride Materials for Advanced Micro Turbine Applications” ASME Paper 2001-GT- 0459
  7. Boxman R. L., Zhitomirsky V. N., Grimberg I. et al. Structure and hardness of vacuum arc deposited multi-component nitride coatings of Ti, Zr and Nb // Surf. Coat. Technol. – 2000. – 125. – P. 257–262.
  8. Wen M., Meng Q. N., Hu C. Q. et al. Structure and mechanical properties of δ-NbN/SiNx and δ′-NbN/SiNx nano-multilayer films deposited by reactive magnetron sputtering // Surf. Coat. Technol. – 2009. – 203. – P. 1702–1708.
  9. Grinkevich, K.E. Some postulates of the structural dynamic concept of the tribosystem and its practical implementation. (2003) Trenie i Iznos, 24 (3), pp. 344-350.
  10. Cyclic Indentation Method Applied to Evaluating Surface Degradation of Cylinder-Piston Group Parts. (2021) Strength of Materials, 53 (5), pp. 775-783.

Article full text

Download PDF