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| Ev Archive for April 2001 |
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| 1913 messages, last added Wed Aug 08 18:51:44 2001 |
[Date Index][Thread Index]
Re: Flywheel turning question(s)
Rich Rudman wrote:
> 6061-T6 is what I use in my heat sinks. It's not real strong and it
> does machine nice.
6061-T6 is an aluminum alloy, with high strength but poor thermal
conductivity. Yes, it does machine nice, but for a heatsink, you want to
use pure aluminum. The difference in thermal conductivity is dramatic:
pure aluminum 117 BTU/hr-ft-deg.F
6061-T6 aluminum 79 BTU/hr-ft-deg.F
--
Lee A. Hart Ring the bells that still can ring
814 8th Ave. N. Forget your perfect offering
Sartell, MN 56377 USA There is a crack in everything
leeahart_at_earthlink.net That's how the light gets in - Leonard Cohen
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