| 发电厂高压调速汽门供油管失效原因分析 |
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| 引用本文： | 欧阳杰,阎光宗,张晓昱. 发电厂高压调速汽门供油管失效原因分析[J]. 河北电力技术, 2010, 29(4): 9-10 |
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| 作者姓名： | 欧阳杰 阎光宗 张晓昱 |
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| 作者单位： | 河北省电力研究院,石家庄,050021;河北省电力研究院,石家庄,050021;河北省电力研究院,石家庄,050021 |
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| 摘 要： | 通过宏观断口分析、化学成分分析、力学性能试验、显微金相组织观察和断口扫描电镜观察,对某发电厂汽轮机高压调速汽门供油管断裂原因进行分析,分析结果表明,该供油管失效类型为疲劳断裂,并指出产生疲劳断裂的原因。
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| 关 键 词： | 高压调速汽门 供油管 失效分析 疲劳断裂 |
Cause Analysis on High Voltage Timing Valve Oil Pipe Failure of Power Plant |
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| Ouyang Jie,Yan Guangzong,Zhang Xiaoyu. Cause Analysis on High Voltage Timing Valve Oil Pipe Failure of Power Plant[J]. Hebei Electric Power, 2010, 29(4): 9-10 |
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| Authors: | Ouyang Jie Yan Guangzong Zhang Xiaoyu |
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| Affiliation: | Ouyang Jie,Yan Guangzong,Zhang Xiaoyu |
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| Abstract: | This paper analyzes the causes of the high voltage timing valve oil pipe failure with surface morphology fracture analysis,chemical element analysis,mechanics performance inspection,micro-metallographic organization observation,and SEM fracture analysis,the analysis results indicate that this pipe failure is fatigue fracture,and this paper points out the causes of fatigue fracture. |
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| Keywords: | high voltage timing valve oil pipe failure analysis fatigue fracture |
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