结果表明晶粒尺寸和碳化物结构显著影响蠕变裂纹扩展速率，蠕变裂纹扩展速率与晶粒尺寸成反比关系。
The results reveal that the crack growth rates strongly depends on grain size and carbide distributin, and the creep crack growth rates are reversely relative to grain size.
结果表明晶粒尺寸和碳化物结构显著影响蠕变裂纹扩展速率，蠕变裂纹扩展速率与晶粒尺寸成反比关系。
The results reveal that the crack growth rates strongly depends on grain size and carbide distributin, and the creep crack growth rates are reversely relative to grain size.
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