[1]马刘宝,黄志荣..燃烧器喷嘴材料热疲劳性能和高温氧化性能研究[J].郑州大学学报(工学版),2004,25(02):110-112.[doi:10.3969/j.issn.1671-6833.2004.02.027]
　Ma Liubao,Huang Zhirong.Study on thermal fatigue properties and high temperature oxidation properties of burner nozzle materials[J].Journal of Zhengzhou University (Engineering Science),2004,25(02):110-112.[doi:10.3969/j.issn.1671-6833.2004.02.027]

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燃烧器喷嘴材料热疲劳性能和高温氧化性能研究()

分享到：

《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:

25卷

期数:

2004年02期

页码:

110-112

栏目:

出版日期:

1900-01-01

文章信息/Info

Title:

Study on thermal fatigue properties and high temperature oxidation properties of burner nozzle materials

作者:

马刘宝; 黄志荣.

华东理工大学化工机械研究所,上海,200237, 华东理工大学化工机械研究所,上海,200237

Author(s):

Ma Liubao; Huang Zhirong

关键词:

燃烧器喷嘴;  热疲劳;  裂纹;  高温氧化

Keywords:

burner nozzles;  Thermal fatigue;  cracks;  High temperature oxidation

DOI:

10.3969/j.issn.1671-6833.2004.02.027

文献标志码:

A

摘要:

采用对比试验方法,通过热疲劳裂纹扩展速率和氧化增重试验,研究了燃煤锅炉燃烧器喷嘴常用的两种材料的热疲劳性能和高温氧化性能,结果表明,铬、锰、硅等元素含量高的新材料ZG40Cr26Ni4Mn3NRe的热疲劳性能和抗高温氧化性能均明显优于原燃烧器喷嘴材料ZG40Cr20Ni5.材料的抗热疲劳性能在很大程度上取决于材料的抗高温氧化性能,热疲劳裂纹在表面缺陷处最易出现,热循环过程中氧化膜的形成和破裂加剧了热疲劳裂纹的萌生和扩展.

Abstract:

The thermal fatigue performance and high temperature oxidation performance of two materials commonly used in coal-fired boiler burner nozzles were studied by comparative test method, through thermal fatigue crack growth rate and oxidation weight gain test, and the results showed that the thermal fatigue performance and high temperature oxidation resistance of ZG40Cr26Ni4Mn3NRe, a new material with high content of chromium, manganese, silicon and other elements, were significantly better than those of the original burner nozzle material ZG40Cr20Ni5. Thermal fatigue cracks are most likely to appear at surface defects, and the formation and rupture of oxide film during thermal cycling intensifies the initiation and propagation of thermal fatigue cracks.

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