COMPACTION OF LITHIUM-SILICATE CERAMICS USING SPARK PLASMA SINTERING
| Autor: | Tomas Frantisek Kubatik, Frantisek Lukac, Musalek Radek, Brozek Vlastimil, Stehlikova Kveta, Chraska Tomas |
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| Jazyk: | angličtina |
| Rok vydání: | 2016 |
| Předmět: | |
| Zdroj: | Ceramics-Silikáty, Vol 61, Iss 1, Pp 40-44 (2016) |
| Druh dokumentu: | article |
| ISSN: | 0862-5468 1804-5847 |
| DOI: | 10.13168/cs.2016.0058 |
| Popis: | This paper deals with the compaction of ceramics based on lithium-silicate by spark plasma sintering (SPS). The initial powder was prepared by calcination in a resistance furnace at a temperature of 1300 °C with the ratio of Li/Si = 1. Compacting by SPS was carried out at temperatures of 800 - 1000 °C with a maximum pressure of 80 MPa. Samples with open porosity of less than 1 % were prepared at the temperature of 1000 °C. According to the quantitative Rietveld refinement of x-ray diffraction data, the dominant phases in all samples were Li₂Si₂O₅ and Li₂SiO₃, together representing over 80 wt. % of the sintered material. |
| Databáze: | Directory of Open Access Journals |
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