A Review of Thermal Stress Analysis and Fatigue Life Assessment on Boiler Drum

Zhi Gang Xie; Xiao Qin Chen

doi:10.4028/www.scientific.net/AMR.753-755.2655

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 753-755A Review of Thermal Stress Analysis and Fatigue...

A Review of Thermal Stress Analysis and Fatigue Life Assessment on Boiler Drum

Abstract:

By analyzing the structural thermal load mechanism of boiler drum, several temperature field models were analyzed and compared; thermal stress calculation method and its impact on the overall stress field were studied. Finally, according to the domestic and several foreign fatigue life assessment standards, the fatigue life prediction modes of boiler drum were discussed. Based on fatigue curve interpolation and the Miner fatigue linear accumulated damage theory of safety guidelines, the life loss results of initiating low-cycle fatigue crack can be calculated. Both ASME code and GB/T9222-2008 standard are suitable to fatigue life assessment for boiler drum, due to the reasonable basis and reliable results.

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Periodical:

Advanced Materials Research (Volumes 753-755)

Pages:

2655-2658

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.753-755.2655

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Online since:

August 2013

Authors:

Zhi Gang Xie, Xiao Qin Chen

Keywords:

Boiler Drum, Fatigue Life, Stress Field, Temperature Field

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References

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