Metal-Containing Diamond-Like Carbon Coating as a Smart Sensor

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A new type of smart sensor based on metal-containing diamond-like carbon (DLC) coatings is presented. DLC coatings are widely used as protective coatings to improve the surface properties of objective materials; for example, to increase hardness and chemical stability. With the addition of metal clusters into DLC coatings, electrical conduction appears to depend on the microstructure. Such coatings can be used in fabricating resistive sensors. In this paper, we present tungsten-containing DLC (W-DLC) as a possible strain sensor. The strain sensitivity is greatly affected by the deposition condition. We also fabricate a double-layered DLC/W-DLC coating. The double-layered structure is expected to be used as a smart coating having functionality as a sensor with a protective DLC overcoat.

Info:

Periodical:

Materials Science Forum (Volumes 638-642)

Main Theme:

Edited by:

T. Chandra, N. Wanderka, W. Reimers , M. Ionescu

Pages:

2103-2108

DOI:

10.4028/www.scientific.net/MSF.638-642.2103

Citation:

T. Takagi et al., "Metal-Containing Diamond-Like Carbon Coating as a Smart Sensor ", Materials Science Forum, Vols. 638-642, pp. 2103-2108, 2010

Online since:

January 2010

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Price:

$35.00

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