Aluminum + Copper mixing results

[Eddie3dfx]

I am so stealing Duckie's thread, but since he doesn't post on here, it's okay

Here is what he posted on overclock and I thought this was valuable for the people to see..

Both blocks have been throughly cleaned. They have been soaked in vineager, toothpasted brushed, and acetone cleaned multiple times. One waterblock was used for a few years in a copper only loop. The other block was used with aluminum for a few years.

Left with aluminum, the other only copper.







http://www.overclock.net/water-cooli...waterloop.html

[bigslappy]

Koolance's aim is to take over the world & cause mass disruption by GALVANIC Corrosion .. they tried to sneak into my sys with a nice pretty Tee that was brass plated with nickle ' BUT then the Wife noticed a small red X appearing on the back of my neck ............ then i checked the REAL NICE plugs they suppllied with the tee.... ....
The Red X is now gone ..... as are all that is Koolance ..

but how about that person sitting next to you last nite at that LAN party ????? he didn't u when ya picked up yer bag with some Hidden Koolance part ?

[zuess]

Koolance's aim is to take over the world & cause mass disruption by GALVANIC Corrosion .. they tried to sneak into my sys with a nice pretty Tee that was brass plated with nickle ' BUT then the Wife noticed a small red X appearing on the back of my neck ............ then i checked the REAL NICE plugs they suppllied with the tee.... ....
The Red X is now gone ..... as are all that is Koolance ..

but how about that person sitting next to you last nite at that LAN party ????? he didn't u when ya picked up yer bag with some Hidden Koolance part ?

I know what you mean about Koolance T's, 2 days after installing one in my system I was reading in this forum that they rust.
I drained the water and they had already started rusting.
Shame on you, Koolance.

[jollyjoker]

i would have thought it would have been worse after a few years. but i guess it better to not have any at all.

[hotdun]

STEEL + ALUMINUM + COPPER + NICKEL + ThermalTake Coolant .................. FTW

Throw in some iron fittings and you've go a winner

[RickCain]

i would have thought it would have been worse after a few years. but i guess it better to not have any at all.

Yeah, me too....

Considering there is no data on what was in the loop I'm impressed.

[Boogerlad]

what happened to the aluminum blocks?

[inCore]

Koolance - better than crack!

But just as good for you.

[Conumdrum]

I would of liked to see the blocks before they were cleaned and info on the liquid used.

[T_Flight]

I've seen galvanic corrosion too many times on boats, and for a water block that's pretty bad. There is permenent transfer of the metal to the block. No amount of cleaning will ever restore that block to it's previous condition. It's possible to machine it away, but that would ruin the block. That's awful. I can only imagine the debris on that block before cleaning.

I said this in one other post. I'm purposely buying stuff that has no aluminum. Only copper and brass, and I better never find that in my loop. If something is advertised as brass or copper it better be just that. A company WILL be replacing all the damaged blocks and radiator if it's not. That's a guarantee.

It's one thing if it's advertised as aluminum. That's fine as a person can setup an all aluminum loop. It's an entirely different matter to advertise it as something it's not and cause damage. That's willful misrepresentation and negligence. We're talking about stuff here that can cost 4-500 dollars and on up into the 1000's if you go all out.

[iowamoe300]

As the other poster stated, I would love to know what fluid was being used. I have a couple Koolance Vid 280 full cover blocks (they have anodized aluminum tops) in my loop, and I have always used fluid with anti corrosives. I just pulled the loop apart to put in some bitspower 90's and 45's and decided to pull apart my full cover blocks and they look pristine, as does everything else in my loop. This is over a year of running on either feser fluid, and the last 6 months on distilled with pentosin.

I like the Vid 280 blocks, but the anodized aluminum tops makes me worry when I see a thread like this. I wonder how hard it would be to make a delrin or acrylic top for my blocks?

[freakgeek1337]

Koolance - better than crack!

But just as good for you.

Sigged, if you don't mind that is...

[ShoNuff]

Koolance - better than crack!

But just as good for you.

Can I put that in my sig too?

[MomijiTMO]

Well if that's a years worth of damage then that's not so bad.

[Justintoxicated]

I've seen galvanic corrosion too many times on boats, and for a water block that's pretty bad. There is permenent transfer of the metal to the block. No amount of cleaning will ever restore that block to it's previous condition. It's possible to machine it away, but that would ruin the block. That's awful. I can only imagine the debris on that block before cleaning.

I said this in one other post. I'm purposely buying stuff that has no aluminum. Only copper and brass, and I better never find that in my loop. If something is advertised as brass or copper it better be just that. A company WILL be replacing all the damaged blocks and radiator if it's not. That's a guarantee.

It's one thing if it's advertised as aluminum. That's fine as a person can setup an all aluminum loop. It's an entirely different matter to advertise it as something it's not and cause damage. That's willful misrepresentation and negligence. We're talking about stuff here that can cost 4-500 dollars and on up into the 1000's if you go all out.

True but how much does this amount of glvanic disruption actualy affect performance?

[T_Flight]

Now that is what I'm wondering. There is no way to tell without a flow meter and testing. It does look like it's pitted but it's hard to tell how deep. Another thing about this is once it starts it gets worse. On my boat a guy said he used what was supposed to be Ti bolts and they were aluminum. It ruined some very expensive parts. We had taken it down to the beach and boated around the waterway for a weekend, and when I took that boat out of the water it was a horror. It was ate up.

I've read posts that disturbances reduce flow, but the only way to tell would be to measure it. It would be interesting to know.

[brammers]

I might have this the wrong way around, but when you mix Alu & Copper, isn't it the Alu that gets eaten, not the copper?

I.e., once you've cleaned the depostits off of copper, it's basically OK, but the Alu part is going to be badly pitted and "half missing"

I welcome corrections from people with more of a clue!

J

[Waterlogged]

As the other poster stated, I would love to know what fluid was being used. I have a couple Koolance Vid 280 full cover blocks (they have anodized aluminum tops) in my loop, and I have always used fluid with anti corrosives. I just pulled the loop apart to put in some bitspower 90's and 45's and decided to pull apart my full cover blocks and they look pristine, as does everything else in my loop. This is over a year of running on either feser fluid, and the last 6 months on distilled with pentosin.

I like the Vid 280 blocks, but the anodized aluminum tops makes me worry when I see a thread like this. I wonder how hard it would be to make a delrin or acrylic top for my blocks?

The tops on those blocks are nickel plated aluminum not anodized, big difference.

I might have this the wrong way around, but when you mix Alu & Copper, isn't it the Alu that gets eaten, not the copper?

I.e., once you've cleaned the depostits off of copper, it's basically OK, but the Alu part is going to be badly pitted and "half missing"

I welcome corrections from people with more of a clue!

J

Unless you re-machine the blocks, there will still be deposits of aluminum buried in the copper.

[brammers]

Unless you re-machine the blocks, there will still be deposits of aluminum buried in the copper.

Are these deposits normally visible to the naked eye? Or do you need to look deeper to spot them - and more to the point would the vinegar/ketchup treatment remove the visible part of the deposits?

I guess where I'm going here, is that it would be good to see the blocks before the cleaning process.

J

[Waterlogged]

Are these deposits normally visible to the naked eye? Or do you need to look deeper to spot them - and more to the point would the vinegar/ketchup treatment remove the visible part of the deposits?

I guess where I'm going here, is that it would be good to see the blocks before the cleaning process.

J

Not really, the deposits are micronized. I really doubt anything short of machining would get rid of them due to the type of damage that's being done, it's basically anodizing the block without the acid.

[s e r e n i t y]

<sarcasm>I prefer to fit my computers with xtreme high end Thermaltake Bigwater cooling systems. </sarcasm>

[iowamoe300]

The tops on those blocks are nickel plated aluminum not anodized, big difference.

Are you sure, waterlogged? I just had them out, and the top is actually 2 separate pieces. There is a thin shiny piece of metal plate on the outside with the koolance emblem cut out, and below it is the actual top, and it really looks like anodized aluminum to me. I accidentally scratched one, and no coating came off either. How can I tell for sure?

[Waterlogged]

Are you sure, waterlogged? I just had them out, and the top is actually 2 separate pieces. There is a thin shiny piece of metal plate on the outside with the koolance emblem cut out, and below it is the actual top, and it really looks like anodized aluminum to me. I accidentally scratched one, and no coating came off either. How can I tell for sure?

WOW! Didn't know it was 2 separate pieces. I always thought it was 1 nickel plated piece used for the top. I'd need a good quality pic or two of that inner piece to tell for sure. If it truly is anodized, you might be able to get a piece of acrylic roughly the same thickness and take the inner piece and the acrylic to a machine shop and have them whip out a new inner piece for you.

[iowamoe300]

WOW! Didn't know it was 2 separate pieces. I always thought it was 1 nickel plated piece used for the top. I'd need a good quality pic or two of that inner piece to tell for sure. If it truly is anodized, you might be able to get a piece of acrylic roughly the same thickness and take the inner piece and the acrylic to a machine shop and have them whip out a new inner piece for you.

http://www.performance-pcs.com/catal...ducts_id=21399

Definitely know it's aluminum now!

I bet a machine shop would charge me an arm and a leg to cutout a couple acrylic tops. Where does one obtain acrylic?

[inCore]

Sigged, if you don't mind that is...

Can I put that in my sig too?

lol go ahead, it's the internet.

On another note, whilst surfing on digitec.ch, one of switzerland's biggest computer hardware shops, I found a fan community of the Zalman Resonator.