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Influence of threshold parameters on cleavage fracture predictions using the Weibull stress model

โœ Scribed by Claudio Ruggieri

Book ID
110295167
Publisher
Springer Netherlands
Year
2001
Tongue
English
Weight
353 KB
Volume
110
Category
Article
ISSN
1573-2673

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A probabilistic model for prediction of cleavage fracture in the ductile-to-brittle transition region and the effect of temperature on model parameters
โœ Xiaosheng Gao; Guihua Zhang; T.S. Srivatsan ๐Ÿ“‚ Article ๐Ÿ“… 2006 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 419 KB

This paper presents a modified Weibull stress model which accounts for the effects of plastic strain and stress triaxiality at the crack tip region. The proposed model is applied to predict cleavage fracture in a modified A508 pressure vessel steel. It is demonstrated that the Weibull modulus (m) re