The Stress Analysis and Safety Assessment of Pressure Vessels with Flaws in Power Plant

Bin Wang; Chao Ma; Bing Quan Wen

doi:10.4028/www.scientific.net/AMM.127.484

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 127The Stress Analysis and Safety Assessment of...

The Stress Analysis and Safety Assessment of Pressure Vessels with Flaws in Power Plant

Abstract:

This research is based on the project investigation and repeated discussion. The British standard BS7910 was the basic theory, and accordingly carried out the experiment, the computation of the stress parameter and an expert system was developed. In this research, the test materials were gathered from project location, and uniaxial tension test, fracture toughness test are made. Then a material parameter database was established; in the research process, the FEA models of typical power plant pressure vessel were established and the stress parameters were gained through simulation method, and a classified stress database was established. The expert system is an effective assistance method for the safety assessment of the flaws, and it may help the ordinary engineers and technicians to grasp the complex assessment process.

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Periodical:

Applied Mechanics and Materials (Volume 127)

Pages:

484-489

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.127.484

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Online since:

October 2011

Authors:

Bin Wang, Chao Ma, Bing Quan Wen

Keywords:

Expert System, Fitness for Service, Pressure Vessel Steel, Safety Assessment

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References

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DOI: 10.3403/01124251

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