Thermal Stress Development in Steam-Side Oxide Scales in High Temperature Components of Boilers under Thermal Shock

Cai Xia Bian; Ke Yi Zhou; Zheng Lin Zhu; Xiao Long Bi

doi:10.4028/www.scientific.net/AMR.997.692

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 997Thermal Stress Development in Steam-Side Oxide...

Thermal Stress Development in Steam-Side Oxide Scales in High Temperature Components of Boilers under Thermal Shock

Abstract:

Failure of steam-side oxide scales in high temperature components of boilers such as superheater and reheater tubes has significant effect on the safety of thermal power plants. Finite element analysis is carried out to investigate the failure issues of steam-side oxide scales in boiler tubes during thermal shock processes. The effects of different steam temperature variation durations on oxide scale failure issues have been analyzed. According to the results, appropriately lengthening variation duration can contribute to relieving oxide scale failure issues, and are subsequently proposed.

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Periodical:

Advanced Materials Research (Volume 997)

Pages:

692-695

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.997.692

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Online since:

August 2014

Authors:

Cai Xia Bian*, Ke Yi Zhou, Zheng Lin Zhu, Xiao Long Bi

Keywords:

Boiler, Failure, Oxide Scale, T91, Thermal Shock, Thermal Stress

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References

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