The effect of Fe_2O_3 on sintering isdiscussed also and it is suggested that it would be advisable to have more Fe_2O_3 enteringinto the main crystalline phase, thus forming solid solution.

• 讨论了Fe_2O_3在矾土烧结过程中的作用,认为应促使Fe_2O_3更多地进入主晶相形成固溶体。