Nano Archive

Barium titanate-based PTCR thermistor fibers: Processing and properties

Wegmann, Markus and Brönnimann, Rolf and Clemens, Frank and Graule, Thomas (2007) Barium titanate-based PTCR thermistor fibers: Processing and properties. Sensors and Actuators A: Physical, 135 (2). 394 - 404.

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Barium titanate-based thermistors in the shape of fine rods between 500 and 150 μm in diameter have been prepared via thermoplastic powder extrusion. Processing of the filaments is complicated by their large surface area-to-volume ratio which results in the volatilization of components during sintering. Due to their negligible size and thermal mass, these ultra-small thermistors exhibit much faster responses to changes in their operating conditions than millimeter-scale positive temperature coefficient of resistivity (PTCR) elements.

Item Type:Article
Uncontrolled Keywords:BaTiO3 and titanates; PTC thermistors; Fibers; Extrusion
Subjects:Analytical Science > Nanotechnology for sensing and actuating
ID Code:4801
Deposited By:SPI
Deposited On:06 May 2009 14:57
Last Modified:06 May 2009 14:57

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