但对高周次疲劳损伤，进行修复退火不能愈合裂纹和延长寿命。

But for the specimens of high cycle fatigue damaged, the annealing can not increase the total life.

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然后愈合剂通过毛细作用而充填裂纹。

The healing agent, then, fills the crack through capillary action.

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充填裂纹后，愈合剂与包埋在基体聚合物中的催化剂反应。

After filling the crack, the healing agent reacts with the catalyst which is embedded in the matrix polymer.

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