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测定钢在热循环后的硬度场,可以比较热疲劳缺口敏感性和表面氧化皮形态特征,还有助于分析热疲劳裂纹扩展显微特征。
Determining the hardness field of steel after thermal cycling can compare the thermal fatigue notch sensitivity with the morphological features of the surface scale and also help to analyze the thermal fatigue crack growth microscopic features.