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  Thermal Paste Alrternative?
Posted by MJaoune on Sun, January 13th, 2013 at 11:25 - 13 Comments
 
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MJaoune Jordan

 
Ok, so I want to do some expirements on my old graphic card (I dont care if it burns, I got it for free anyways)
Its a Nvidia GeForce 8400GS

So I noticed that the thermal paste of it dried up, so I am trying thermal paste alternatives. So:

-I applied a toothpaste on the GPU chip.
-After that I applied (A small mountain chunk of) mayonnaise on top of the chip.

Current results:

Stress tests results:

No load (0%): Tempreture: 49C to 55C Original: 54C to 56C
Triangle of Death (3 minutes): Tempreture: 65C to 66C Original: 69C to 70C
Box [3D] (5 minutes): Tempreture: 72C to 73C Original: 73C


In-game test results:


CrossFire (20 Minutes): Tempreture: 56C to 58C Original: 63C to 66C (Used to throttle a lot)
DotA 2 (25 Minutes): Tempreture: 64C to 66C Original: 66C to 71C (Used to throttle a lot)

Now as for the GPU load, using Mayonnaise is good (Better than the stock thermal paste)

Life-time test:

60 minutes: No problems
120 minutes: No problems
180 minutes: No problems
Next reports will be sent tomorrow or after tomorrow
14 hours: The video card worked as if there is no thermal paste there. Its average temperature was 58C, instead, the mayonnaise covered the chip and made it heat more, so I removed the mayonnaise, and now I am working with no thermal paste.

Life-time of mayonnaise and toothpaste: less than 12 hours.

Best,
MJaoune

This post has been edited by MJaoune, Mon, January 14th, 2013 at 20:11

Reason: update


 
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#1
 
Kon-Tiki Belgium

  Sun, January 13th, 2013 at 13:06
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Quote 
After that I applied (A small mountain chunk of) mayonnaise on top of the chip.

You gotta be kidding me...
 
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#2
 
MJaoune Jordan

  Sun, January 13th, 2013 at 13:32
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Kon-Tiki on Sun, January 13th, 2013 at 13:06 GMT  
Quote 
After that I applied (A small mountain chunk of) mayonnaise on top of the chip.

You gotta be kidding me...


No I am not, I swear.

http://www.hardwaresecrets.com/article/Thermal-Compound-Roundup-October-2011/1396/5

Search the table for Mayonnaise and compare the temp to the other pastes.

I will post a picture of my video card in 2-3 days (Till I see if its stable)
 
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#3
 
Zilchrion United States

  Sun, January 13th, 2013 at 13:34
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I get what your doing and thats neat. but if youre serious about looking for an alternative, you shouldnt use a paste that can expire or a paste that has water in it to evaporate.
also the paste has to be room temp when testing. If you just got it out the fridge that will mess with the data, unless you do both fridge and room temp.  

If you are just goofin around, then just do it up in whatever way.

This post has been edited by Zilchrion, Sun, January 13th, 2013 at 13:35

Reason: 9
 
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#4
 
MJaoune Jordan

  Sun, January 13th, 2013 at 13:40
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Zilchrion on Sun, January 13th, 2013 at 13:34 GMT  
I get what your doing and thats neat. but if youre serious about looking for an alternative, you shouldnt use a paste that can expire or a paste that has water in it to evaporate.
also the paste has to be room temp when testing. If you just got it out the fridge that will mess with the data, unless you do both fridge and room temp.  

If you are just goofin around, then just do it up in whatever way.


Thats a tempror alternative, but I am testing for how long it will live. BTW I don't care about this video card.

Water boils at 100C, so I doubt my card will exceed 70C in its full load.
Oil starts boiling at 190C
Mayonnaise has oil, which will not evaporate or anything under 100C

And no, the video card testing is at room tempreture (About 20-25C)
The case of the computer is closed.

 
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#5
 
Nathan Slovenia

  Sun, January 13th, 2013 at 14:18
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Mayonnaise also contains water.
 
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#6
 
MJaoune Jordan

  Sun, January 13th, 2013 at 14:34
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Nathan on Sun, January 13th, 2013 at 14:18 GMT  
Mayonnaise also contains water.


Video card's temp still doesn't even exceed 90C (If it does, then the cooling system is bad)

 
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#7
 
Foxi4 Poland

  Sun, January 13th, 2013 at 14:47
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...tooth... paste... mayo...



Okay. Serious talk. The best alternative for thermal paste is another thermal paste or thermal glue - they're not expensive and they're widely-available - unless you're doing what you're doing for sh*ts and giggles, it's stupid to put anything else there.

Toothpaste contains a lot of moisture, but it's still a better choice than mayo. It crystalizes to a degree when drying up and may provide a relatively "okay" connection - unfortunately it's grainy, but it's closer to the thermal paste texture, wheras mayo, apart from oil contains egg protein which will cauterize - the connection will quickly deteriorate, not to mention that it will smell.

Do try silicone (standard, transparent silicone in tubes) - I used some when I drowned my PC in 13 liters of transformer oil. Coolest passive cooling ever, and I had to use silicone instead of thermal paste because the oil was washing paste out. It will isolate the chip a bit and may not be the best at heat distribution, but it's interesting to try it, still. Standard grease or silicone grease could be interesting too.

Technically all the substances you should be using should be oil/fat-free - it actually worsens distribution of the heat to the radiator AFAIK... but you're experimenting, so what the hell. :P

Remember to clean the chip thoroughly each time you change the substance too. It needs to be dry and oil-free.

This post has been edited by Foxi4, Sun, January 13th, 2013 at 14:54
 
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#8
 
MJaoune Jordan

  Sun, January 13th, 2013 at 14:51
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Foxi4 on Sun, January 13th, 2013 at 14:47 GMT  

Okay. Serious talk. The best alternative for thermal paste is another thermal paste or thermal glue


Guys, I am just experementing :P BTW what is a thermal glue?

 
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#9
 
Foxi4 Poland

  Sun, January 13th, 2013 at 14:59
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MJaoune on Sun, January 13th, 2013 at 14:51 GMT  
Guys, I am just experementing :P BTW what is a thermal glue?

It works similarily to thermal paste or grease - it's a compound that connects the chip and the radiator and improves heat transfer, the difference being that it affixes the radiator permanently - like glue. It's often used instead of thermal paste or grease on integrated circuitry so that the radiator is set in place without any screws etc.

It's literally what you think it is - thermal glue.

This post has been edited by Foxi4, Sun, January 13th, 2013 at 15:00
 
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