Skip to main content
Log in

Ultrafine and nanosized MoSi2 powders by SHS process with a reduction stage

  • Published:
International Journal of Self-Propagating High-Temperature Synthesis Aims and scope Submit manuscript

Abstract

Suggested are basic principles for fabrication of fine MoSi2 powders by SHS process with a reduction stage. Investigated was the influence of green composition, stoichiometric ratio, inert NaCl additive, and synthesis conditions on the structure/properties of thus fabricated MoSi2 powders. With increasing amount of added NaCl, the mean size of MoSi2 crystallites was found to decrease. The fabricated MoSi2 powders represented the agglomerates formed by the crowds of smaller (200 nm) and larger (up to 1–3 μm) particles. The powders were characterized by SEM, XRD, and chemical analysis.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. Vasudevan, A.K. and Petrovic, J.J., A comparative overview of molybdenum disilicide composites, Mater. Sci. Eng. A, 1992, vol. 155, nos. 1–2, pp. 1–17.

    Article  Google Scholar 

  2. Petrovic, J.J., High Temperature Structural Silicides, Ceram. Eng. Sci. Proc., 1997, vol. 18, no. 1, pp. 3–17.

    Google Scholar 

  3. Stoloff, N.S., Liu, C.T., and Deevi, S.C. Emerging applications of intermetallics, Intermetallics, 2000, vol. 8, nos. 9–11, pp. 1313–1320.

    Article  Google Scholar 

  4. Waghmare, U.V., Kaxiras, F., and Duesbery, M.S. Modeling brittle and ductile behavior of solids from first-principles calculations, Phys. Status Solidi, 2000, vol. 217, no. 1, pp. 545–564.

    Article  Google Scholar 

  5. Shimizu, H., Yoshinaka, M., Hirota, K., and Yamaguchi, O., Fabrication and mechanical properties of monolithic MoSi2 by spark plasma sintering, Mater. Res. Bull., 2002, vol. 37, no. 9, pp. 1557–1563.

    Article  Google Scholar 

  6. Lagunov, Yu.V., Pikalov, S.N., Kolomiets, G.G., and Mamyan, S.S., Boron nitride produced by SHS with a reduction stage, in Proc. III All-Union Conf. on Combustion Processes, Chernogolovka, 1981, vol. 1, pp. 40–42.

    Google Scholar 

  7. Nersisyan, H.H., Lee, J.H., and Won, C.W., SHS of ceramic powders in fused salts of alkali metals, J. Ceram. Process. Res., 2005, vol. 6, no. 1, pp. 41–47.

    Google Scholar 

  8. Chaichana, N., Memongkol, N., Wannasin, J., and Niyomwas, S., Synthesis of nano-sized TiB2 powder by SHS, J. Mater. Sci., 2008, vol.7, no. 1, pp. 51–57.

    Google Scholar 

  9. Khara, A.K., Pathak, L.C., and Godkhindi, M.M., Effect of NaCl on the synthesis of TiB2 powder by SHS technique, Mater. Lett., 2004, vol. 58, no. 5, pp. 733–738.

    Article  Google Scholar 

  10. Borovinskaya, I.P., Ignat’eva, T.I., Vershinnikov, V.I., Khurtina, G.G., and Sachkova, N.V., Preparation of ultrafine boron nitride powders by self-propagating high-temperature synthesis, Inorg. Mater., 2003, vol. 39, no. 6, pp. 588–593.

    Article  Google Scholar 

  11. Borovinskaya, I.P., Ignat’eva, T.I., Vershinnikov, V.I., Miloserdova, O.M., and Semenova, V.N., Self-propagating high-temperature synthesis of ultrafine and nanosized WC and TiC powders, Powder Metall. Met. Ceram., 2008, vol. 47, nos. 9–10, pp. 505–511.

    Article  Google Scholar 

  12. Ignat’eva, T.I., Miloserdova, O.M., Semenova, V.N., and Borovinskaya, I.P. Chemical dispersion as a method for segregation of nanopowders of SHS-produced refractory compounds, Perspekt. Mater., 2009, no. 3, pp. 82–87.

    Google Scholar 

  13. Borovinskaya, I.P., Ignat’eva, T.I., Barinova, T.V., and Vershinnikov, V.I., SHS of ultrafine and nanosized refractory powders: An autoreview, Int. J. Self-Propag. High-Temp. Synth., 2010, vol. 19, no. 2 pp. 114–119.

    Article  Google Scholar 

  14. Merzhanov, A.G., Kitain, M.M., Goldschleger, U.I., and Shteinberg, A.S., Thermodynamic analysis of interaction between iron oxides and methane-oxygen mixtures, Dokl. Akad. Nauk SSSR, 1977, vol. 237, no. 2, pp. 391–394.

    Google Scholar 

  15. Shaw, L. and Abbaschian, R., Chemical states of the molybdenum disilicide surface, J. Mater. Sci., 1995, vol. 30, no. 20, pp. 5272–5280.

    Article  Google Scholar 

  16. Borovinskaya, I.P., Ignat’eva, T.I., Semenova, V.N., and Kovalev, I.D., SHS of ultrafine and nanosized MoSi2 powders, Perspekt. Mater., 2012, no. 2, pp. 55–61.

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to T. I. Ignat’eva.

About this article

Cite this article

Vershinnikov, V.I., Ignat’eva, T.I., Semenova, V.N. et al. Ultrafine and nanosized MoSi2 powders by SHS process with a reduction stage. Int. J Self-Propag. High-Temp. Synth. 22, 217–221 (2013). https://doi.org/10.3103/S1061386213040080

Download citation

  • Received:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.3103/S1061386213040080

Keywords

Navigation