FAILURE ANALYSIS AND PREVENTION OF "851"BLADE BREAKAGE

doi:10.19666/j.rlfd.2003.01.021

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FAILURE ANALYSIS AND PREVENTION OF "851"BLADE BREAKAGE

Thermal Power Generation Issue 1, Pages: 69-71(2003)

更新时间：2025-09-28

- FAILURE ANALYSIS AND PREVENTION OF "851"BLADE BREAKAGE
- 作者机构：
  
  1. 广东省电力试验研究所
  2. 广东省电力集团公司,广东,广州,510600
  3. ,广东,广州,510080
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2003.01.021
  CLC： TK268
- Published：2003
- 稿件说明：
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FAILURE ANALYSIS AND PREVENTION OF "851"BLADE BREAKAGE[J]. Thermal Power Generation, 2003, (1): 69-71.
DOI：

FAILURE ANALYSIS AND PREVENTION OF "851"BLADE BREAKAGE[J]. Thermal Power Generation, 2003, (1): 69-71. DOI： 10.19666/j.rlfd.2003.01.021.

摘要

通过对 85 1叶片断口的宏观、微观、金相和能谱分析

结合叶片振动特性的试验结果及机组的运行历史等

分析造成 85 1叶片裂纹产生及断裂的原因

并提出了在叶片制造过程中注意避开叶片的共振频率

消除激振源等建议

Abstract

Through macroscopic examination

microscopic investigation

metallurgical and energy-spectrum analysis

combined with the test results of blade vibration characteristics and the operation history of the unit

causes of crack and breakage occurred on "851" blade have been analyzed

and some recommendations are put forward.

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