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Localized Surface Instabilities of Stressed Solids

Published online by Cambridge University Press:  10 February 2011

J. Colin,
J. Grilhé and
N. Junqua
J. Colin
Affiliation:
Laboratoire de Métallurgie Physique, UMR 6630 CNRS, Université de Poitiers, BP 179, F-86960 Futuroscope Cedex, France
J. Grilhé
Affiliation:
Laboratoire de Métallurgie Physique, UMR 6630 CNRS, Université de Poitiers, BP 179, F-86960 Futuroscope Cedex, France
N. Junqua
Affiliation:
Laboratoire de Métallurgie Physique, UMR 6630 CNRS, Université de Poitiers, BP 179, F-86960 Futuroscope Cedex, France
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Abstract

Localized instabilities formation on the free surface of solids has been studied when sources of non-homogeneous stress such as dislocations or precipitates are present in the bulk. This formalism of localized perturbations has been used to describe the butterfly transformation of cubic precipitates in superalloys and the contraction of rectangular specimens under stress.

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