Fast fabrication of glass ceramics by high gravity combustion synthesis

Abstract

Abstract

Three systems of glass ceramics with different chemical compositions were prepared by high gravity combustion synthesis. Most samples were dense with a low porosity, which can be attributed to accelerated separation and removal of gas bubbles from ceramic melts in a high gravity field. The hardness of the as prepared glass ceramics varied in the range of 8·2–12·8 GPa and could be improved by a fine eutectic structure. Compared with conventional techniques, high gravity combustion synthesis can offer a fast and efficient way to prepare glass ceramic materials.

Keywords:

• Glass ceramics
• High gravity combustion synthesis
• Hardness

This work was supported by the National Natural Science Foundation of China (grant nos. 50932006 and 51002163) and Beijing Natural Science Foundation (grant no. 2112043).