Then,the phase composition and microstructure of such eroded samples of refractory bricks as silica,high-alumina and fireclay bricks were analyzed.

• 高铝砖中莫来石和方石英的含量不断升高,玻璃质硅酸盐和隐晶质铝硅酸盐的含量则不断下降,气孔孔径扩大,气孔率不断升高;