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New Dual-Pass Quad 80mm Rad From Koolance - Page 3

post #21 of 42
i wonder... people always complain about corrosion between copper and alluminum (and gold plated)... yet no one cares about mixing brass and copper?
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post #22 of 42
Quote:
Originally Posted by Sir Stunna Lot View Post
i wonder... people always complain about corrosion between copper and alluminum (and gold plated)... yet no one cares about mixing brass and copper?
Brass and copper are more "Noble" metals, all metals will have a little corrosion over time, its just some like aluminum are so low on the charts that they react violently with copper....Galvanic corrosion
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post #23 of 42
Quote:
Originally Posted by ira-k View Post
Brass and copper are more "Noble" metals, all metals will have a little corrosion over time, its just some like aluminum are so low on the charts that they react violently with copper....Galvanic corrosion
I think that is more for metals physically connected together. But in a comp the different parts are insulated by hoses.
post #24 of 42
Quote:
Originally Posted by markkleb View Post
I think that is more for metals physically connected together. But in a comp the different parts are insulated by hoses.
You forget the water that's flowing through the tubes is essentially a connector
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post #25 of 42
What you don't think your coolant will carry a charge?.....It picks up ions and moves it all through your loop...

^^^Hey you beat me to it...
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post #26 of 42
the coolant does carry a charge but its quite a bit less than when the dissimilar metals are in contact, than using an additive lowers it even more.

A quote from PetrasTech about Pentosin:
"Ah, Pentosin... That wondrous German liquid that turns your coolant blue. Originally developed for the German automotive industry as an anti-freezing agent and corrosion inhibitor, Pentosin G11 (blue) is an excellent addition to the water cooling enthusiast's additive arsenal. Pentosin G11 offers superior corrosion protection (very important to those using both copper and aluminum in their cooling system), prevents the formation of lime"
post #27 of 42
Mixed metals even anodized or plated will corrode over time, and if you scratch it your screwed...I run that same anti-corrosive in an all copper loop just for insurance, all metals will corrode even copper to copper, its just the rate of corrosion...Copper to copper will take years in a WC'ing lop, aluminum to copper will corrode in days...Yeah the coolant only carries a low positive charge, have you ever done any metal plating? You do it with a small battery, it doesn't take much of a charge at all..The coolant also moves metal ions all through your loop...

What is the point of using it anyway, its not as thermally conductive as copper and you risk corrosion...Only the manufacturer benefits by the lower production costs of using the cheaper aluminum......
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post #28 of 42
I use it for its lighter weight and ease of workability.

2 things I was wondering about since you have such a nice setup, have you run alum blocks and copper together, if so was there a buildup of pressure in the line?

and would grounding the alum and copper blocks externally help to lessen the effects?

(and yes I actually have worked for a plater, it was my first job and lasted for 2 days. I hated it )
post #29 of 42
Quote:
I've invested $1200 dollars into a Koolance case/system, and I couldn't be HAPPIER. I'm running 5 waterblocks in my system as well, CPU, NB, two VGA, and a HDD block cooling two hard drives, and the results have been stellar, from ease of setup to maintenance to performance.
could have built one for 1/2 the price...but if u got $$$ to toss around i guess....nah i'd still build a system for 1/2 the price

speaking of corrosion i'll post pics of my copper block from my gigabyte kit w/aluminum rad.the block is FUBAR now.
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post #30 of 42
Quote:
Originally Posted by roningai View Post
could have built one for 1/2 the price...but if u got $$$ to toss around i guess....nah i'd still build a system for 1/2 the price

speaking of corrosion i'll post pics of my copper block from my gigabyte kit w/aluminum rad.the block is FUBAR now.
Well, I included the case with that, which was $609. The rest of the misc stuff, including some surplus items I bought, were around another $600.
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