MA Hong1, SHI Zhigang1, CUI Xionghua1, et al. ANALYSIS AND EVALUATION OF CRACKING LIKE DEFECTS ON INNER SURFACE OF HIGH-PRESSURE BOILER TUBES[J]. Thermal Power Generation, 2010, 39(11): 93-96.
MA Hong1, SHI Zhigang1, CUI Xionghua1, et al. ANALYSIS AND EVALUATION OF CRACKING LIKE DEFECTS ON INNER SURFACE OF HIGH-PRESSURE BOILER TUBES[J]. Thermal Power Generation, 2010, 39(11): 93-96.DOI：
高压锅炉管内表面类裂纹缺陷的分析和评定
摘要
对高压锅炉管内表面类裂纹缺陷的特征、来源、性质和危害性
以及相关标准中的规定进行了分析
提出了一种金相观察+定向压扁的特殊间接试验方法对锅炉管内表面类裂纹缺陷进行间接检验评定
并对GB 5310—2008提出了增加压扁试验抽样比例、把扩口试验作为必检项目等建议。
Abstract
The features
sources
and properties of craching like defects on inner surface of high-pressure boiler tubes
as well as their harmfulness and stipulations in related standards have been analysed
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