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Global equations for Weibull Parameters in a ductile-to-brittle transition regime

✍ Scribed by P. Akbarzadeh; S. Hadidi-Moud; A.M. Goudarzi

Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
344 KB
Volume
239
Category
Article
ISSN
0029-5493

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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