[TowerTalk] Cadwelding = "alominotérmica"

[Jim Lux]

At 04:04 PM 7/26/2006, Beat Meier wrote:
>Hello
>
>Is cadwelding is the same as "alominotérmica" (term in spanish)?
>I.e. Copper oxide + aluminio powder
>3CuO + 2Al = 3Cu + Al2O3 + heat

yes


>And what about connecting ground roads togehter.
>Someone told me I should not use strand copper but the only thing I can get
>is 35mm^2 (AWG2) with 7 strands or 50mm^2(AWG0) with 19 strands.
>Is it true that this will oxide rapidly and loss the low resistance?
>The book I have now says you must use at least 35mm^2 to connect the roads.
>
>Thanks
>
>Beat
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