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- Jul 6, 2002
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- Coventry Rhode Island
I want to now if eneyone tried to lap a pelt the chip itself
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lapping a tec
- Thread starter lclark2074
- Start date
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- Aug 23, 2002
- Location
- Connecticut
companies that sell tec's offer to do it for you so I'm sure its been done here. the ceramic plates are relatively thick so it shouldn't be a worry of going through it. Performance might be increased.
OP
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- Jul 6, 2002
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- Coventry Rhode Island
- Thread Starter
- #3
I was thinking of the same thing ceramic are normly inslators not conductors and thay are thick relativey speeking.
- Joined
- Nov 25, 2003
Trust me, the TEC ceramic is a great conductor. It feels really cold to the touch when it isn't on.
- Joined
- Mar 11, 2003
It's a good conductor......
I think you run the risk of going too far and hitting one of the transistors, or making the TEC fragile.
I think you run the risk of going too far and hitting one of the transistors, or making the TEC fragile.
- Joined
- Nov 25, 2003
You can tell how thick the ceramic is, and it's thick enough to lap. Don't use a very rough grit, though. Maybe just do 600 grit.
OP
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- Coventry Rhode Island
- Thread Starter
- #7
dos eneyone have a link to a place where you can see how good the ceramic is like copper and silver
- Joined
- Nov 25, 2003
Ceramic isn't a definite thing. You can make it a variety of ways. Feel your TEC, with it off, and then feel your waterblock, with no water flowing. Which feels cooler? The TEC. Why? It conducts the heat away from your hand faster.
OP
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- Jul 6, 2002
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- Coventry Rhode Island
- Thread Starter
- #9
no that is not what i mentAngryAlpaca said:
just looking at ceramic itself not the hole package
- Joined
- Nov 25, 2003
What part of the TEC can you touch? The ceramic! Make sure the TEC is off, or one side will feel warm, and the other cold.
OP
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- Jul 6, 2002
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- Coventry Rhode Island
- Thread Starter
- #11
no iam looking for a tec sheet on the ceramic it self
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- Nov 25, 2003
I don't quite understand. I don't think there is anyway to tell what kind of ceramic is used. I don't think it's even standarized. The ceramic is very conductive. You can lap it, just start with a relatively high grit and don't lap for very long.
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- May 27, 2002
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- Purdue University, IN
ceramic is a HORRIBLE conductor its used because it can stand extreme temps and extreme pressures that would warp any other substance.
OP
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- Coventry Rhode Island
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- #14
Do you no how much Ceramic can be removed before you lose the electall propertys.madcow235 said:
- Joined
- Nov 25, 2003
Well, I'm no scientist, but, I just went upstairs and felt the ceramic on my unused pelt, and I felt an unused copper coldplate with my other hand, and they were both at the same temperature, and the ceramic felt much colder... That says to me that THIS ceramic is a great conductor.
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angryalpaca is correct on what he says about being a great conductor... NOw if it is all ceramic or just the ceramic on phase change systems i am not sure... but then again ceramic floors also feel cold to the touch...
OP
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- Thread Starter
- #17
i wish i could my broken 172 finish taken it apart then lap it and give to joe c for a test to see how good it is.
TEC properties
Hey all dudes...
Would it be easier for you all to understand it's properties if I called the TECs white slabs "Aluminium oxide" instead?
Ok, "aluminum oxide" to "british english" challenged people.
Aluminium oxide, a good heatconductor and a great electric insulator.
It's pretty brittle and would be hard to lap. If you would lap it it wouldn't change anything except it's mechanical strenght. Electrically it would continue to function with no problem.
Hey all dudes...
Would it be easier for you all to understand it's properties if I called the TECs white slabs "Aluminium oxide" instead?
Ok, "aluminum oxide" to "british english" challenged people.
Aluminium oxide, a good heatconductor and a great electric insulator.
It's pretty brittle and would be hard to lap. If you would lap it it wouldn't change anything except it's mechanical strenght. Electrically it would continue to function with no problem.
Last edited:
- Joined
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Guys, if it feels cold that means it is NOT a good conductor. If it was it would feel warm soon after touching it. Think about this, aluminum foil is good conductor right? Put a nice big wad of it neatly folded in the freezer over night, in the morning take it out and touch it, cold at first, and right right where your finger is, it is almost instantaneosly warm. That means that it is a great conductor. Cermamic conducts horribly, becuase it stays cold, it cannot transfer or conduct the heat of your finger.
-0cer
-0cer
dude the reason for the foil to feel cold, and son after hot, is simply that it absorbs the heat, and is unable to lead it anywhere (meaning a pice of foil is to thin, you get hot spots) try it with a aluminium plate the same shapes as the tec's white plates... (mine is white anyway)
As plastics, ceramics can be made with different heat and electrical properties, i do think PaxMax had a point when he pointed out that its not even ceramic materials, but aluminium oxide... Possibly bonded with ceramics, what do i know.
if you touch something and it keeps feeling cold, it means it leads the heat away fast, if it gets "warm" to the touch, it means it absorbs the heat, but cant transfer it away... that would mean its no good for leading heat away... thats why you wont have any success with a cooler made of only aliminium foil.
Best of luck!
B!
As plastics, ceramics can be made with different heat and electrical properties, i do think PaxMax had a point when he pointed out that its not even ceramic materials, but aluminium oxide... Possibly bonded with ceramics, what do i know.
if you touch something and it keeps feeling cold, it means it leads the heat away fast, if it gets "warm" to the touch, it means it absorbs the heat, but cant transfer it away... that would mean its no good for leading heat away... thats why you wont have any success with a cooler made of only aliminium foil.
Best of luck!
B!
