Clustering and the spatial distribution of contact spots at a real un-dismantled electrical contact interface
Clustering and the spatial distribution of contact spots at a real un-dismantled electrical contact interface
Contact maps of an electrical interface are acquired using an x-ray computer tomography technique without the need for dismantling the specimens. These maps consist of approximately 1500 × 1500 pixels with each pixel relating to an 8.0 µm by 8.0 µm by 8.0 µm volume at the interface. The specimens consist of a cable lug bolted to a printed circuit board at various contact normal forces of between 0.8 and 3.2 kN. The contact maps reveal a complex network of contacting 'islands' with meandering perimeters consisting of contacting 'peninsulas' and non-contacting 'fjords'. The fractal characteristics of the spot spatial distribution show similar behaviour to the fractal characteristics of the spot size distribution.
Swingler, Jonathan
c6e2a49e-fadd-4f38-99f7-0ee1e2c92fac
23 March 2010
Swingler, Jonathan
c6e2a49e-fadd-4f38-99f7-0ee1e2c92fac
Swingler, Jonathan
(2010)
Clustering and the spatial distribution of contact spots at a real un-dismantled electrical contact interface.
Journal of Physics D: Applied Physics, 43 (14).
(doi:10.1088/0022-3727/43/14/145302).
Abstract
Contact maps of an electrical interface are acquired using an x-ray computer tomography technique without the need for dismantling the specimens. These maps consist of approximately 1500 × 1500 pixels with each pixel relating to an 8.0 µm by 8.0 µm by 8.0 µm volume at the interface. The specimens consist of a cable lug bolted to a printed circuit board at various contact normal forces of between 0.8 and 3.2 kN. The contact maps reveal a complex network of contacting 'islands' with meandering perimeters consisting of contacting 'peninsulas' and non-contacting 'fjords'. The fractal characteristics of the spot spatial distribution show similar behaviour to the fractal characteristics of the spot size distribution.
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Published date: 23 March 2010
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Local EPrints ID: 143919
URI: http://eprints.soton.ac.uk/id/eprint/143919
ISSN: 0022-3727
PURE UUID: a91b2c14-6b8b-4487-9852-1ed6ee25c112
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Date deposited: 13 Apr 2010 15:12
Last modified: 14 Mar 2024 00:44
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Author:
Jonathan Swingler
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