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Article #56Re: Insulator with good heat conductivity
From: Scott Dorsey
Date: Tue, 28 Jul 1992 15:45
Date: Tue, 28 Jul 1992 15:45
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In article <7926@dirac.physics.purdue.edu> parks@gibbs.physics.purdue.edu (Chris Parks) writes: > >What is a good material (good=price + availability) which is >an electrical insulator and a good conductor of heat? > >It will be used at temperatures as low as 4.2 Kelvin and it needs >to hold up to about 200 volts / mm, heat conductivity needs to >be comparable to copper. Does it exist? If it weren't for the low temperature requirement, I would recommend some of the silicone compounds, which are very good heat conductors. Mica is right out. Are there any silicones that are useful at temperatures that low? --scott
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Newsgroups: sci.materials Path: arc1-ca.pugleaf.net!sparky!uunet!news.larc.nasa.gov!grissom.larc.nasa.gov!kludge From: kludge@grissom.larc.nasa.gov ( Scott Dorsey) Subject: Re: Insulator with good heat conductivity Message-ID: <Bs3vrz.Jyv@news.larc.nasa.gov> Sender: news@news.larc.nasa.gov (USENET Network News) Organization: NASA Langley Research Center and Reptile Farm References: <7926@dirac.physics.purdue.edu> <1992Jul28.075319.9973@fs7.ece.cmu.edu> Date: Tue, 28 Jul 1992 15:45:35 GMT Lines: 14