Eur. Phys. J. Appl. Phys.
Volume 29, Number 2, February 2005
|Page(s)||143 - 151|
|Section||Surfaces, Interfaces and Films|
|Published online||21 December 2004|
Morphological instability and contraction of a rectangular plate under stress
Laboratoire de Métallurgie Physique, SP2MI, Bd 2, Teleport 2, BP 30179,
86960 Poitiers-Futuroscope Cedex, France
Corresponding author: email@example.com
Revised: 2 June 2004
Accepted: 27 August 2004
Published online: 21 December 2004
The contraction of a stressed rectangular plate-like sample has been investigated considering the mechanical stability of its two lateral free surfaces with respect to localized perturbation. The energy variation of the plate has been calculated to determine the condition of development of symmetric and non-symmetric wavelet fluctuations of the two lateral free surfaces when a constant and homogeneous stress is applied to the plate. The contraction has been then studied when a source of non-homogeneous strain is embedded into the plate.
PACS: 62.20.Dc – Elasticity, elastic constants, surface energy / 68.35.Ct – Interface structure and roughness
© EDP Sciences, 2005
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