| 低压缸末级叶片补焊后断裂失效分析 |
| |
| 引用本文： | 周江涛,蔡文河,赵卫东,张玉良,赵英和.低压缸末级叶片补焊后断裂失效分析[J].华北电力技术,2005(6):44-46. |
| |
| 作者姓名： | 周江涛 蔡文河 赵卫东 张玉良 赵英和 |
| |
| 作者单位： | 1. 华北电力科学研究院有限责任公司,北京,100045
2. 秦皇岛发电有限责任公司,河北,秦皇岛066003 |
| |
| 摘 要： | 通过对秦皇岛发电有限责任公司1号机组低压缸末级叶片断裂事故分析，发现原叶片局部受损伤后曾进行补焊处理，补焊工艺的不完善而造成的焊接质量不佳，导致补焊区出现晶粒粗化，使综合机械性能下降，而造成了叶片断裂事故的发生。
|
| 关 键 词： | 叶片 补焊 断裂 失效 |
| 文章编号： | 1003-9171(2005)06-0044-03 |
| 修稿时间： | 2005年4月5日 |
Analysis on Last Blade Fracture Failure of LP Casing of Unit 1 after Rewelding in Qinhuangdao Power Plant |
| |
| Zhou Jiang-tao,Cai Wen-he,Zhao Wei-dong,Zhang Yu-liang,Zhao Ying-he.Analysis on Last Blade Fracture Failure of LP Casing of Unit 1 after Rewelding in Qinhuangdao Power Plant[J].North China Electric Power,2005(6):44-46. |
| |
| Authors: | Zhou Jiang-tao Cai Wen-he Zhao Wei-dong Zhang Yu-liang Zhao Ying-he |
| |
| Affiliation: | Zhou Jiang tao 1,Cai Wen he 1,Zhao Wei dong 1,Zhang Yu liang 2,Zhao Ying he 2 |
| |
| Abstract: | Through analysis of the last blade fracture of unit 1 of Qinhuangdao Power Generation Co.Ltd,it is found that the original blade was impaired partially and was rewelded,the imperfect rewelding technique caused poor welding quality ,resulting in the decrease of mechanical performance at rewelded area and finally caused blade fracture. |
| |
| Keywords: | blade reweld fracture failure |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
