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Sensors 2011, 11(7), 6967-6977; doi:10.3390/s110706967

Characterization and Optimization of Polymer-Ceramic Pressure-Sensitive Paint by Controlling Polymer Content

1
Aerospace Research and Development Directorate, Japan Aerospace Exploration Agency, Chofu, Tokyo 182-8522, Japan
2
Department of Mechanical Engineering, Tokyo University of Science, Chiyoda, Tokyo 102-0073, Japan
*
Author to whom correspondence should be addressed.
Received: 7 June 2011 / Revised: 22 June 2011 / Accepted: 28 June 2011 / Published: 4 July 2011
(This article belongs to the Section Physical Sensors)
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Abstract

A pressure-sensitive paint (PSP) with fast response characteristics that can be sprayed on a test article is studied. This PSP consists of a polymer for spraying and a porous particle for providing the fast response. We controlled the polymer content (%) from 10 to 90% to study its effects on PSP characteristics: the signal level, pressure sensitivity, temperature dependency, and time response. The signal level and temperature dependency shows a peak in the polymer content around 50 to 70%. The pressure sensitivity was fairly constant in the range between 0.8 and 0.9 %/kPa. The time response is improved by lowering the polymer content. The variation of the time response is shown to be on the order of milliseconds to ten seconds. A weight coefficient is introduced to optimize the resultant PSPs. By setting the weight coefficient, we can optimize the PSP for sensing purposes. View Full-Text
Keywords: pressure-sensitive paint; polymer ceramic; optimization pressure-sensitive paint; polymer ceramic; optimization
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Sakaue, H.; Kakisako, T.; Ishikawa, H. Characterization and Optimization of Polymer-Ceramic Pressure-Sensitive Paint by Controlling Polymer Content. Sensors 2011, 11, 6967-6977.

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