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Approximate expressions of maximum value of stress intensity factor of nozzle corner cracks

โœ Scribed by Cai Shutao; Xu Yigen


Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
467 KB
Volume
35
Category
Article
ISSN
0308-0161

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โœ Qichao Hong; Guozhong Chai ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 398 KB

In this paper, a formula for the stress intensity factor (SIF) of a nozzle comer l/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 comer cracks from nine pieces of plate-nozzle models and thr

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A B S T R A C T Crotch corner zones are of considerable concern in investigating the margin of safety against brittle fracture for tee intersections of nozzles with vessels and branch pipes with run pipes. This requires an estimate of stress intensity factor, i.e. K-factor for either postulated or d