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Study of stress Relief Patterns In Diamond-Like Carbon-Films

Iyer, SB and Harshavardhan, KS and Kumar, V (1990) Study of stress Relief Patterns In Diamond-Like Carbon-Films. In: Institute of Physics Conference Series (111). pp. 133-142.

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Abstract

An optical microscopy study of stress relief patterns in diamondlike carbon films is presented. Interesting stress relief patterns are observed which include the well known sinusoidal type, branching pattern and string of beads pattern. The last one is shown to relieve stresses under marginal conditions. Two new stress relief patterns are noted in the present study. One of them is of a sinusoidal shape with two extra branches at every peak position. The distribution of different stress relief forms from the outer edge of the films towards the interior is markedly dependent on film thickness. Our new patterns support the approach in which the stress relief forms have been analysed earlier using the theory of plate buckling.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to IOP Publishing ltd.
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Division of Physical & Mathematical Sciences > Physics
Depositing User: Ms TV Yashodha
Date Deposited: 11 Jan 2011 08:52
Last Modified: 11 Jan 2011 08:52
URI: http://eprints.iisc.ac.in/id/eprint/34942

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