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29th December 2004, 01:29 PM
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#2 |
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diyAudio Moderator
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Works fine (ask John Curl). The major issue is making a good, reliable electrical connection to it.
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“Listening to records is like ****ing a picture of Brigitte Bardot.” - Sergiu Celibidache |
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29th December 2004, 01:59 PM
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#3 |
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diyAudio Member
Join Date: Nov 2004
Location: knoxville tn
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If multi-folded, heavy-duty foil look pretty strong. I am thinking squuezing it between two washers of bolt-nut assembly. I get pretty good contact resistance even when I touch it with multimeter leads. Thanks,
Murat |
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29th December 2004, 02:03 PM
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#4 | |
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diyAudio Member
Join Date: Dec 2002
Location: Houston
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Re: Shielding with aluminum foil;)
Quote:
The foil may work. But www.lessemf.com has some really nice mu-metal that works much better. A single thickness will shield more than a bunch or aluminum foil. The stuff is fairly inexpensive. A 16" wide sheet is 18.95 per linear foot. It is surprisingly heavy and stiff for the thickness. George |
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29th December 2004, 02:04 PM
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#5 |
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diyAudio Moderator
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Keep an eye on that contact resistance- it's likely to go up significantly over time. You've got a mechanical contact between two metals with very different work functions and reduction potentials, one of which has a high creep... That's the problem with aluminum foil for anything other than a lab lash-up.
Copper or brass foil, now those are solderable and now you're talkin' good shielding.
__________________
“Listening to records is like ****ing a picture of Brigitte Bardot.” - Sergiu Celibidache |
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29th December 2004, 02:28 PM
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#7 | |
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diyAudio Member
Join Date: Oct 2004
Location: At the sea front, just under Rotterdam
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Re: Re: Shielding with aluminum foil;)
Quote:
Specific weight of Nickel is 10% higher than that of steel. Nickel is one of the main additives for hardened and high tensile steels. As a kid i was often allowed to "help out" in my dads plant. Some parts for production tools had to be made of nickel, for hardness and durability. Machining the stuff was pretty difficult, an eight year old was very good at pressing the red button when one the tool sides was precision grinded.
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29th December 2004, 02:31 PM
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#8 |
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diyAudio Member
Join Date: May 2002
Location: Switzerland
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Aluminium is also solderable, if you know how to do it !!
Regards Charles |
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