| 汽轮机组中压内缸螺栓断裂原因分析 |
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| 引用本文： | 贺锡鹏,张磊,马红,陈吉刚,梁锋,唐丽英. 汽轮机组中压内缸螺栓断裂原因分析[J]. 理化检验(物理分册), 2011, 0(7): 454-458 |
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| 作者姓名： | 贺锡鹏 张磊 马红 陈吉刚 梁锋 唐丽英 |
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| 作者单位： | 西安热工研究院有限公司; |
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| 摘 要： | 通过宏观和微观观察、力学性能测试以及断口分析等方法对汽轮机组中压内缸螺栓断裂的原因进行了分析。结果表明:螺栓断裂的性质属于脆性蠕变断裂,主要原因为螺栓的材料质量问题和承载过大。
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| 关 键 词： | 汽轮机组 中压内缸 螺栓 断裂 材料质量 承载 |
Fracture Reason Analysis for Intermediate Pressure Inner Casing Bolt of Steam Turbine |
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| HE Xi-peng,ZHANG Lei,MA Hong,CHEN Ji-gang,LIANG Feng,TANG Li-ying. Fracture Reason Analysis for Intermediate Pressure Inner Casing Bolt of Steam Turbine[J]. Physical Testing and Chemical Analysis Part A:Physical Testing, 2011, 0(7): 454-458 |
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| Authors: | HE Xi-peng ZHANG Lei MA Hong CHEN Ji-gang LIANG Feng TANG Li-ying |
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| Affiliation: | (Thermal Power Research Institute, Xi＇an 710032, China) |
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| Abstract: | By means of macro and micro observation,mechanical property testing,fracture analysis and so on,the fracture reason of the bolts of intermediate pressure inner casing of steam turbine has been investigated.The results showed that the fracture mechanism was brittle creep rupture and the main influencing factors of which can be confirmed as material quality issue and excessive load. |
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| Keywords: | steam turbine intermediate pressure inner casing bolt fracture material quality load |
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