The study on the microstructure of the sinter with low fluorine shows that there is a strong relation among the pores in the sinter, the forming and extension of cracks and the sinter strength.

• 通过对低氟烧结矿显微结构的分析研究发现：微气孔直接控制着烧结矿裂纹的产生和扩展，并对烧结矿的强度有影响。