Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 476, Issue 1-2, Pages 174-177Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2007.04.088
Keywords
extreme value statistics; porosity; Gumbel; Weibull; Frechet
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The use of defect size distributions in models for fatigue life is reviewed. A brief summary of extreme value statistics is provided. The analysis of data reported in the literature on the size of fracture-initiating defects in Al- and Mg-alloy castings by using the general extreme value distribution is discussed. Results provide strong evidence that the size of defects on fracture surfaces of cast Al- and Mg-alloys follows the Gumbel distribution. The indications of these results are discussed in the paper. (C) 2007 Elsevier B.V. All rights reserved.
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