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Finite element/experimental analysis of cavity nucleation in an AlSiGe alloy

✍ Scribed by H.J. Koenigsmann; E.A. Starke Jr; P.E. Allaire

Book ID
103997314
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
791 KB
Volume
44
Category
Article
ISSN
1359-6454

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✦ Synopsis

Cavity nucleation

in a recently developed AlL0.55SiL2.02 Ge (wt%) alloy was studied by measuring the volume fraction of voids as a function of strain and precipitate diameter using a pycnometer.

The finite element method was employed in order to calculate stress distributions around the SiGe precipitates for different precipitate diameters using both elasticity and plasticity models. This analysis allows a quantitative comparison between the experimental data and the prediction of a stress criterion for cavity nucleation based on the model developed by Brown and Stobbs.

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