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Carbon Foam Refractory Made From Bread
[rquote=469551&tid=70570&author=violet sin]I have to say in this one thread specifically, do ...
19-12-2016 at 21:02
by: 3DTOPO
Making a really HOT electric resistance furnace
[rquote=468264&tid=70334&author=yobbo II]
The Moly D is now back in the window........

M ...
5-12-2016 at 19:51
by: 3DTOPO
Direct Gas Fired Tesla Turbine
I neglected to mention that Tesla invented a valve, called appropriately the Tesla Valve. It has a f ...
5-12-2016 at 16:01
by: 3DTOPO
Direct Gas Fired Tesla Turbine
[rquote=468257&tid=71110&author=RogueRose]
Running the turbine from the exhaust is what I t ...
5-12-2016 at 14:48
by: 3DTOPO
Direct Gas Fired Tesla Turbine
[rquote=468239&tid=71110&author=RogueRose]
I would suspect the "glue" on those discs won't ...
4-12-2016 at 22:23
by: 3DTOPO
Carbon Foam Refractory Made From Bread
P.S. I said wool, but what I really meant was felt (wool or acrylic fibers). I think acrylic might c ...
4-12-2016 at 19:09
by: 3DTOPO
Direct Gas Fired Tesla Turbine
[rquote=468228&tid=71110&author=RogueRose]The cutting wheel idea is interesting especially w ...
4-12-2016 at 17:47
by: 3DTOPO
Carbon Foam Refractory Made From Bread
I wonder if carbonizing wool might work better than bread?

(please spare me the lecture Aga)
4-12-2016 at 17:43
by: 3DTOPO
Making a really HOT electric resistance furnace
[rquote=468216&tid=70334&author=yobbo II]
How tolerent are moly elements to water vapour, l ...
4-12-2016 at 16:09
by: 3DTOPO
Making a really HOT electric resistance furnace
[rquote=468204&tid=70334&author=careysub][rquote=468152&tid=70334&author=3DTOPO][rqu ...
4-12-2016 at 14:35
by: 3DTOPO
Making a really HOT electric resistance furnace
[rquote=464802&tid=70334&author=metalresearcher]
I have no bricks which can withstand this ...
3-12-2016 at 23:52
by: 3DTOPO
Making a really HOT electric resistance furnace
[rquote=465677&tid=70334&author=careysub]
With enough carbon foam insulation you should be ...
3-12-2016 at 20:48
by: 3DTOPO
Making a really HOT electric resistance furnace
[rquote=465709&tid=70334&author=yobbo II]Do all carbon arc furnaces have an inert gas cover. ...
3-12-2016 at 20:44
by: 3DTOPO
Making a really HOT electric resistance furnace
[rquote=464914&tid=70334&author=yobbo II]

They are made from a Yittium / Sr oxide.

You ...
3-12-2016 at 20:42
by: 3DTOPO
Direct Gas Fired Tesla Turbine
I understand that if Tesla had modern material science, we would all be driving Tesla's today. But s ...
3-12-2016 at 20:29
by: 3DTOPO
Measuring very high temperature
[rquote=466260&tid=70724&author=yobbo II]Measuring very high temperature

Is there a way t ...
3-12-2016 at 20:16
by: 3DTOPO
Photolytically Deactivated Deflocculant
I don't know if this might give anyone some ideas, but AutoDesk made their UV curable resin open sou ...
12-7-2016 at 19:17
by: 3DTOPO
Photolytically Deactivated Deflocculant
[rquote=450636&tid=66402&author=12AX7][rquote=450602&tid=66402&author=3DTOPO]
Heck ...
3-6-2016 at 10:31
by: 3DTOPO
Photolytically Deactivated Deflocculant
[rquote=450540&tid=66402&author=j_sum1]
The possibilities for 3D printed ceramics are enorm ...
2-6-2016 at 12:56
by: 3DTOPO
Photolytically Deactivated Deflocculant
[rquote=450560&tid=66402&author=12AX7]
Two photon sounds interesting; that would give bette ...
2-6-2016 at 12:50
by: 3DTOPO
Photolytically Deactivated Deflocculant
[rquote=450537&tid=66402&author=12AX7]
Alternately, if there's a binder which sticks grains ...
2-6-2016 at 12:48
by: 3DTOPO
Ferrobronze?
[rquote=446663&tid=66029&author=argyrium]This reminds me of a puzzle from a few years ago. ...
24-4-2016 at 20:03
by: 3DTOPO
Ferrobronze?
[rquote=446590&tid=66029&author=Fulmen]There are copper alloys with small percentages of iro ...
24-4-2016 at 19:38
by: 3DTOPO
Ferrobronze?
[rquote=446585&tid=66029&author=MeshPL]The problem is, this are the impurities like copper o ...
24-4-2016 at 19:28
by: 3DTOPO
Ferrobronze?
Here's what I was making - it was going to be 2 pours (copper then stainless) but became 3 copper, s ...
21-4-2016 at 12:11
by: 3DTOPO
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