燃煤锅炉锅筒开裂失效分析

Hot Working Technology(2009)

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Abstract
利用JXA-8800R电子探针对燃煤锅炉锅筒的缺陷进行分析。结果表明:锅筒钢板组织不合格,同时锅垢还使锅筒钢板表面产生较大的应力,致使钢板产生显微裂纹并扩展,以至最后开裂。最后提出了相应的改进措施。
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Key words
boiler material,dehiscence,failure analysis,metallic phase
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