Carbon nanotube-dispersed composite material, method for producing same and article same is applied to
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United States of America Patent
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Issued Date -
Jun 14, 2007
app pub date -
Oct 29, 2004
filing date -
Oct 29, 2003
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Abstract
The present invention has an object of providing a carbon nanotube dispersed composite material utilizing as much as possible excellent electric conductivity, heat conductive property and strength property owned by a carbon nanotube itself and taking advantage of characteristics of ceramics having corrosion resistance and heat resistance such as zirconia and the like, and a method of producing the same; and long-chain carbon nanotubes (including those obtained by previous discharge plasma treatment of only carbon nanotubes) are kneaded and dispersed by a ball mill together with calcinable ceramics and metal powder, and this is integrated by discharge plasma sintering, and carbon nanotubes can be thus dispersed in the form of network in the sintered body, and the electric conductivity property, heat conductive property and strength property of the carbon nanotube can be effectively used together with the properties of the ceramics and metal powder base material.
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