Kyanite calcined at two temperatures is used as raw material to prepare calcined kyanite.Their firing temperature, high temperature properties, thermal shock and microstructure have been studied.

• 用两个温度下煅烧后的蓝晶石为原料，研制烧结蓝晶石制品，对其烧成温度、高温性能、抗热稳定和显微结构作了研究。