J. A. Pero-Sanz, D. Plaza, M. Ruiz, J. Asensio, J. Verdeja
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引用次数: 0
摘要
介绍了蒸汽发电厂10Cr-Mo9-10和x20cr - mo - v12 -1过热管在使用过程中的故障。通过显微和断口分析，确定蠕变和过热是失效的原因。计算了拉尔森-米勒参数作为氧化厚度、温度和时间的函数，确定了蠕变失效诊断。
Failures of 10Cr-Mo9-10 and X 20Cr-Mo-V12-1 superheated pipes during service in steam power generation plants are described. Through micrographic and fractographic analysis, creep and overheating were identified as the cause of failure. The Larson-Miller parameter is computed, as a function of oxidation thickness, temperature and time, confirming the creep failure diagnostic.
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