但晶粒过细时，导致氧化膜内生长应力的增加，引起氧化膜的开裂、脱落，从而加剧了氧化。

However, the excessive refinement of grains resulted in the growth stress increase of the oxides film and then the oxide films cracked and shed; as a result, the oxidation was exacerbated.

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但晶粒过细时，导致氧化膜内生长应力的增加，引起氧化膜的开裂、脱落，从而加剧了氧化。

However, the excessive refinement of grains resulted in the growth stress increase of the oxides film and then the oxide films cracked and shed; as a result, the oxidation was exacerbated.

youdao