How to avoid forge bond

JoeBusic

JoeBusic

Joined
Jan 21, 2020
Messages
544
I want to stack some steel and heat it to high temp. Cca 1200°C. I don't want them to stick. What is the best move? Paper, oil, Cu rubs or something else?
 
I’d imagine paper and oil will simply burn away.
Most stainless foil is rated to 1260°c so that’s pretty close to where you intend to be.
Satanite is rated to 3200°f or 1760°c so it shouldn’t react at 1200°c.

Would you care to share more details about what and why you are doing this?
 
I have had problems with stainless foil rated to 2200F bonding with the contents during heat treating at 2200. I learned to very lightly dust the contents with talc powder and the bonding disappeared. I don't know if that will be any help for your application, but perhaps.
 
3fifty7 said:
Would you care to share more details about what and why you are doing this?
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I'm a polymath, thus having a lot of interest in various sciences. This one is related to debunking Theory of relativity and Quantum theory. Atoms react differently at different temps. I need to encapsulate different materials at high temps for several minutes and measure "something". In short I'm using steel (3 kinds) for now and I need them in contact but not sticking to each other. Can't say more. This is weird already. But still probably the best place to ask.
 
Sean Yaw said:
I have had problems with stainless foil rated to 2200F bonding with the contents during heat treating at 2200. I learned to very lightly dust the contents with talc powder and the bonding disappeared. I don't know if that will be any help for your application, but perhaps.
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Worth a shot. It has to be in electrical contact so light powder could be useful.
 
What would spray graphite do? It conducts...
Another thought follows - how about sooting with an acetylene-rich flame from a torch?
TiO2 aka "Titanium White" pigment also conducts. White spray paint? Too much excipient crap, though, I suppose. How about the venerable White Out trick from canister damascus? Of course, make sure to let it dry completely... ;)
I'd perhaps try TiO2 powder applied thin film from a water slurry with the old pull technique like for making thin layer chromatography plates and then all it needs is to evaporate clean.
Good luck with your experiments. Ambitious challenge...
 
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I was going to suggest TiO2.

It seems like the experiment is in diffusion or something similar, so I don't think any coating will work. My only suggestion would be to run them for a while separated to create a surface oxide and then stack them.
 
Please post an update when/if you can… I’m interested… no matter how weird or complicated

Have a buddy who went to BU for physics. I “helped” him prepare for a presentation for his senior project on Neutrinos by sitting through his presentation. He spent ~4hr explaining the whole subject as simply as he could and answering my dumb questions. It hurt my tiny brain but it was interesting and fun
 
All good advice, seems so. But, there shouldn't be another material in between. Vacuumed, of course. So the oxide idea seems the best. Did anyone try copper rubs? I saw a video on YT when steel is a little rubbed with copper, it won't forge weld.
Btw, Im measuring radiation and conductivity. And it's not unrelated to knives. Part of the knowledge I'll gain is used to break up carbide clumps.
 
Copper could braze them.
I would worry an oxide layer would interfere with the electrical contact you need
Can you get inconel foil?
 
Oxides will impact the optical and electrical properties for the steels. I'm not sure what you intend to do, but there is known behavior in the range of wavelengths between IR-visible-UV. At 1200C you are firmly in the peak IR range. I don't know as much on the electrical side...
 
Justin W said:
Oxides will impact the optical and electrical properties for the steels. I'm not sure what you intend to do, but there is known behavior in the range of wavelengths between IR-visible-UV. At 1200C you are firmly in the peak IR range. I don't know as much on the electrical side...
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That known behavior is my interest. Higher temps get way more UV which I want to avoid as there is a threshold for Xrays. 1kV and 6kA (more later) will pass thru to magnify certain behavior in contact points. Depending on the material(s) and certain chain reaction of close atomic interaction (without bond, ergo non crystalline attachment) some conclusion can be made for future practical purposes.
 
JoeBusic said:
That known behavior is my interest. Higher temps get way more UV which I want to avoid as there is a threshold for Xrays. 1kV and 6kA (more later) will pass thru to magnify certain behavior in contact points. Depending on the material(s) and certain chain reaction of close atomic interaction (without bond, ergo non crystalline attachment) some conclusion can be made for future practical purposes.
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Sort of like the grapes in a microwave producing plasma? The steel acts like a lens that focuses certain wavelengths of light? Sounds like fun but potentially dangerous. Invest in lead shield for sure, especially for your boys.
 
You need to pepper your replies with a few more..
Mwahahahaha's!!
And maybe use a Romanian accent to mention your LABOROTORY MWAHAHA!
Say hi to your Igor for me!
 
elasmonut said:
You need to pepper your replies with a few more..
Mwahahahaha's!!
And maybe use a Romanian accent to mention your LABOROTORY MWAHAHA!
Say hi to your Igor for me!
Click to expand...
Yes, I can't wait to hear more about 'debunking quantum theory'.
Quantum mechanical calculations are used in a wide variety of applications and at various levels of approximation. The most rigorous calculations of things like spectra for small molecules are exquisitely accurate, better than possible measurements in some cases, and correspond to one of the most precisely verified theoretical frameworks we have.
How a macroscopic experiment with poorly defined conditions will debunk this will be very interesting...
 
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