The flexural strength of the composites with active filler Al decreased drastically for the harmful interphase produced by the reaction between Al and carbon fiber, which was accordingly degenerated badly.

• 当复合材料素坯中含有活性填料Al时,由于Al与碳纤维发生碳化反应,使纤维受损,在纤维与基体之间形成不良的界面结合,导致复合材料的强度发生退化。