Bibliographic Details
| Title: |
Investigation of Phase Formation in Ceramic Based on Zn, Sn, and Ti Oxides. |
| Authors: |
Zeer, G. M.1 (AUTHOR) gzeer@sfu-kras.ru, Zelenkova, E. G.1 (AUTHOR), Shubin, A. A.1 (AUTHOR), Abkaryan, A. K.1 (AUTHOR), Beletskii, V. V.1 (AUTHOR) |
| Source: |
Glass & Ceramics. Mar2023, Vol. 79 Issue 11/12, p507-511. 5p. |
| Subject Terms: |
*ZINC tin oxide, *CERAMICS, *TIN, *OXIDE ceramics, *ELECTRON microscopy, *OXIDES |
| Abstract: |
Solid-phase sintering was used to make ceramic from a mixture of ZnO, SnO2, and TiO2 nanopowders used as precipitation-strengthening and arc-quenching components in silver-based electrocontact materials. The phase formation and microstructure of the resulting material were studied by electron microscopy, energy-dispersive microanalysis, and x-ray phase analysis. It was found that a dispersed structure of size 0.5 – 1.0 μm forms from the Zn2TiO4 and ZnO phases at sintering temperature 1123 K, and the samples have quite high porosity. Solid-phase reactions in the ZnO/TiO2 system at Tsint = 1123 K effect the formation of two-phase ZnO/Zn2TiO4 ceramic with zinc and tin oxide phases in residual amounts. At sintering temperature 1443 K grain growth occurs, Zn2SnO4 becomes the predominant phase, and a certain amount of zinc and tin oxide phases remains. There is no manifestations of titanium-containing phases (presumably TiO2 and Zn2TiO4), probably because of their low content. [ABSTRACT FROM AUTHOR] |
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