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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/2403

Title: A model for the behaviour of tensile and compressive residual stresses developed in thin films produced by ion beam-assisted deposition techniques
Authors: KNUYT, Gilbert
Issue Date: 2004
Publisher: ELSEVIER SCIENCE SA
Citation: THIN SOLID FILMS, 467(1-2). p. 275-283
Abstract: A theoretical model was developed in order to explain typical features of the in-plane residual stress behaviour of films deposited under particle bombardment. It was found that under a number of deposition conditions the stress will show a positive maximum (tensile stress) and will finally become negative (compressive) with increasing ion flux. But in other cases no maximum will be attained, and the stress will change smoothly from tensile to compressive values. The maximum possible tensile stress was found to decrease with increasing grain dimensions. Simple analytical expressions were derived which accurately describe the numerical results. The model reproduces a number of experimental facts on the stress behaviour, especially concerning the dependence on the ion flux and energy. Some other experimental data are discussed in the light of possible refinements of the model. (C) 2004 Elsevier B.V. All rights reserved.
Notes: Limburgs Univ Ctr, Mat Res Inst, B-3590 Diepenbeek, Belgium.Knuyt, G, Limburgs Univ Ctr, Mat Res Inst, Wetenschapspark 1, B-3590 Diepenbeek, Belgium.gilbert.knuyt@luc.ac.be
URI: http://hdl.handle.net/1942/2403
DOI: 10.1016/j.tsf.2004.04.050
ISI #: 000224185100046
ISSN: 0040-6090
Category: A1
Type: Journal Contribution
Validation: ecoom, 2005
Appears in Collections: Research publications

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