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3 April 2012 Smart photonic coating as a new visualization technique of strain deformation of metal plates
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Abstract
We will present a simple and low cost method to visualize local strain distribution in deformed aluminum plates. In this study, aluminum plates were coated with opal photonic crystal film with tunable structural color. The photonic crystal films consist of a silicone elastomer that contains an array of submicron polystyrene colloidal particles. When the aluminum sheets were stretched, the change in the spacing of the colloidal particles in the opal film alters the color of the film. This approach could be useful as a new strain gauge having a visual indicator to detect mechanical deformation.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hiroshi Fudouzi, Tsutomu Sawada, Yoshikazu Tanaka, Ichiro Ario, Tsuyoshi Hyakutake, and Itaru Nishizaki "Smart photonic coating as a new visualization technique of strain deformation of metal plates", Proc. SPIE 8345, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2012, 83451S (3 April 2012); https://doi.org/10.1117/12.914689
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