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应用金相、X-ray衍射、扫描电子显微分析及宏观分析等方法分析了200t/h锅炉过热器爆管的原因,对氧化的产生及其影响和裂纹在弯头形成的原因进行了讨论。
The causes of tube explosion in a 200t / h boiler superheater were analyzed by metallography, X-ray diffraction, scanning electron microscopy and macroscopical analysis. The formation and the influence of oxidation and the reason of crack formation in the elbow were discussed .