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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 784Probabilistic Weibull Methodology for Fracture...

Probabilistic Weibull Methodology for Fracture Prediction of Brittle and Ductile Materials

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Abstract:

In this work, a three-parameter Weibull methodology for fracture prediction of brittle and ductile materials is presented. The approach proposed requires previous definition of the failure criterion to be applied. The parameter estimation is achieved for proportionally and non-proportionally increasing stresses. The case of two concurrent failure types is also handled. The resulting primary failure distribution can be expressed as a function of an effective size (length, area or volume) for its subsequent application in practical design of specimens or components using FEM.

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Periodical:

Applied Mechanics and Materials (Volume 784)

Pages:

443-451

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.784.443

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Online since:

August 2015

Authors:

Miguel Muñiz-Calvente*, Alfonso Fernández Canteli, Valery Shlyannikov, Enrique Castillo

Keywords:

Current Flaw Populations, Parameter Estimation, Practical Design, Probabilistic Model, Weibull Distribution

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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