Glass-ceramic matrix composites have been studied since the early 1980s as an effort to develop a hightemperature structural and refractory material [1–5]. Due to relatively low processing temperature and ease of sintering compared to the pre-existing high- temperature structural ceramics glass-ceramics could be used as matrix materials for composites. In reality, most of the glass-ceramics currently used can be formed at a temperature lower than 1200 ±C under lowpressure [6–12]. During the composite fabrication the glass particles are sintered and then crystallized to form a consolidated glass-ceramic matrix.