| 高速离心泵叶片断裂分析 |
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| 引用本文： | 孔令新,陈峰,赵立凡,张春江.高速离心泵叶片断裂分析[J].理化检验(物理分册),2001,37(4):165-167. |
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| 作者姓名： | 孔令新 陈峰 赵立凡 张春江 |
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| 作者单位： | 独山子石化总厂研究院, |
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| 摘 要： | 对高速离心泵断裂叶片的材料成分，断口和力学性能进行了分析，确定了其断裂模式为腐蚀疲劳断裂，叶片根部加工粗糙，造成局部应力集中是导致叶片断裂的主要原因，对叶片的结构设计进行了探讨。
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| 关 键 词： | 离心泵 叶片 失效分析 腐蚀疲劳 断裂叶片 结构设计 力学性能 断口 |
| 文章编号： | 1001-4012(2001)04-0165-03 |
| 修稿时间： | 2000年7月26日 |
THE FAILURE ANALYSIS OF BLADE OF CENTRIFUGAL PUMP |
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| KONG Ling xin,CHEN Feng,ZHAO Li fan,ZHANG Chun jiang.THE FAILURE ANALYSIS OF BLADE OF CENTRIFUGAL PUMP[J].Physical Testing and Chemical Analysis Part A:Physical Testing,2001,37(4):165-167. |
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| Authors: | KONG Ling xin CHEN Feng ZHAO Li fan ZHANG Chun jiang |
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| Abstract: | Chemical composition, mechanical property and fractography of the fractured blade in a centrifugal pump were analyzed and its failure was identified as corrosion fatigue. Rough machining surface at the blade root, local stress concentration were the main causes of blade fracture. Design of blade construction were also discussed. |
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| Keywords: | Centrifugal pump Blade Erosion Failure analysis Corrosion fatigue |
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