| 除氧器水箱焊缝裂纹原因分析 |
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| 引用本文： | 王俊涛,胡天明,张载明. 除氧器水箱焊缝裂纹原因分析[J]. 热力发电, 2001, 30(3): 19-23 |
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| 作者姓名： | 王俊涛 胡天明 张载明 |
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| 作者单位： | 1. 广州市锅炉压力容器检验所,
2. 武汉大学, |
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| 摘 要： | 对湖南省某些火电厂除氧器水箱焊缝裂纹表现特征进行了分析。同时，讨论了这种裂纹的性质和扩展模式，以及引起这种裂纹的原因。分析认为这种裂纹属于腐蚀疲劳的范围，具有应力腐蚀疲劳的特征。
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| 关 键 词： | 锅炉 除氧器 水箱 焊缝裂纹 应力腐蚀 火电厂 |
| 文章编号： | 1002-3364(2001)03-0019-05 |
CAUSE ANALYSIS TO WELDINGJOINT CRACKS OF DEARATOR WATER TANK |
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| Abstract: | In view of the present situation of widespread welding joint cracks in dearator water tank at thermal power plants, the occurence and feature of said cracks in some power plants of Hunan Province have been analyzed, at the same time, the nature and extension mode of said cracks are discussed, and the reason causing the said cracks is analyzed as well. It is considered that the said cracks belong to the corrosion fatigue range, featuring stress corrosion fatigue. |
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