Failure analysis of the condenser brass tube in 150 MW thermal power units

被引：12

作者：

Li, Yong-De ^{[1
]}

Xu, Na ^{[1
]}

Wu, Xiao-Feng ^{[1
]}

Guo, Wei-Min ^{[1
]}

Shi, Jun-Bo ^{[1
]}

Zang, Qi-Shan ^{[1
]}

机构：

[1] Shandong Acad Sci, Shandong Prov Engn & Technol Ctr Mat Failure Anal, Shandong Anal & Test Ctr, Jinan 250014, Peoples R China

来源：

ENGINEERING FAILURE ANALYSIS | 2013年 / 33卷

基金：

中国国家自然科学基金;

关键词：

Condenser brass tube; Erosion; Dezincification-corrosion; Failure analysis; DEZINCIFICATION; CORROSION;

D O I：

10.1016/j.engfailanal.2013.04.026

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this case study, the failure cause of a condenser brass tube in 150 MW thermal power units was investigated. The features of erosion were observed by macro and micro observations, and the necessary conditions for erosion were satisfied: higher flow rate, turbulence and silts contained in cooling water. The dezincification-corrosion was also verified in this case study by EDS analysis. Given all of that, the failed condenser brass tube is considered to be caused by the synergism of erosion and dezincification-corrosion. (c) 2013 Elsevier Ltd. All rights reserved.

引用

页码：75 / 82

页数：8

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