The microstructure of corundum-mullite duplex can be controlled by adjusting microsilica, alumina and firing temperature, which can improve hot strength of corundum-mullite duplex ceramic.

• 通过调节硅微粉、氧化铝微粉及烧结温度可控制刚玉莫来石复相陶瓷的显微结构，改善刚玉莫来石复相陶瓷的高温强度。