Stress intensity factor of nozzle corner cracks
In this paper, a formula for the stress intensity factor (SIF) of a nozzle corner 1 4 circular crack in a P.V. Nozzle along the longitudinal section of the cylinder is proposed and verified with the fatigue experimental results of 30 nozzle corner cracks from nine pieces of plate-nozzle models and t...
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Veröffentlicht in: | Engineering fracture mechanics 1990, Vol.36 (5), p.813-818 |
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Hauptverfasser: | , |
Format: | Artikel |
Sprache: | eng |
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Online-Zugang: | Volltext |
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Zusammenfassung: | In this paper, a formula for the stress intensity factor (SIF) of a nozzle corner
1
4
circular crack in a P.V. Nozzle along the longitudinal section of the cylinder is proposed and verified with the fatigue experimental results of 30 nozzle corner cracks from nine pieces of plate-nozzle models and three pressure vessels. The maximum difference between the
K
I
value calculated with the proposed formula and the experimental results is less than 15%. |
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ISSN: | 0013-7944 1873-7315 |
DOI: | 10.1016/0013-7944(90)90409-A |