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[Engadget] Detroit DIYer cooks up stronger, lighter steel, shames scientists - Page 4

post #31 of 47
Quote:
Originally Posted by Riou View Post
Why does Engadget always go for the sleazy titles to their stories?
Because AOL owns their soul.

I can't wait for the new tech site from Josh and crew to come online.
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post #32 of 47
Awesome, I wonder if this guy can cook me up a good set of exhaust pipes for my truck
post #33 of 47
Quote:
Originally Posted by CAHOP240 View Post
Awesome, I wonder if this guy can cook me up a good set of exhaust pipes for my truck
He could, a friend of mines friend used to work with him (only for a short period of time) and he was telling me about the flash process he is developing and at the time he was testing it on car engines and chassis, pretty neat this made the news i haven't heard from him in almost a year.
post #34 of 47
Oh wow, this technique will improve every single metal of today's world. Sweet!
post #35 of 47
this is awesome . Hope the guy gets super rich for his discovery
    
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post #36 of 47
Quote:
Originally Posted by The Radius Kid View Post
No problem.
In the past,they used big silos or furnaces to heat the steel for processing.
The problem is that the steel is in a coil and getting the heat to penetrate to the "core" of the coil takes a while and uses energy.
Induction heating is good,but imparts certain properties to the metal that can be alloyed in when the steel is first "brewed".
The other problem with heat treating materials to achieve results similar to more "expensive grades" is that the treatment can become undone over time.
You never get the full effect,but if you get the majority of it,it can pay off.

Thanks for taking the time to answer. One of the coolest things about OCN are the industry experts that are generous with their time and information.

So in other words, creating soft steel alloy and then hardening it is less efficient than making the initial alloy hard to begin with?

And the current standard for heat treatment can be applied to large batches of material, where as flashing requires a relatively thin input, meaning that at a small scale flashing might be more efficient, but when processing many tons at once its best to use a slow-cooker?

What about shaping it? Would it be easier to shape a softer steel and then heat treat it, or would the savings still be less than just shaping a hard steel?

Does the heat-induced microstructure deform over time due to stress breaking bonds within the baninite/martinsite, turning those crystals amorphous? Why does that not happen to "expensive grades"?
post #37 of 47
This just shows the importance of questioning the every day. Steel manufacturing has been going on for hundreds of years and I personally thought that it had been perfected. But then some genius like this comes along and says "What if" and revolutionizes everything.

Awesome work Mr. Cola, a tip of the hat to you.
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post #38 of 47
Quote:
Originally Posted by hollowtek View Post
Kudos to you gary cole. It really does make me scratch my head why people haven't figured this out a millenia ago (unless they did but they technology was somehow lost)

Damascus steel , maybe ?


Quote:
Loss of the technique

The process was lost to metalsmiths after production of the patterned swords gradually declined and eventually ceased circa 1750. Several modern theories have ventured to explain this decline, including the breakdown of trade routes to supply the needed metals, the lack of trace impurities in the metals, the possible loss of knowledge on the crafting techniques through secrecy and lack of transmission, or a combination of all the above.

http://en.wikipedia.org/wiki/Damascus_steel


EDIT : Segovax beat me to it .
Edited by Perrin - 6/12/11 at 9:24am
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post #39 of 47
Quote:
Originally Posted by hollowtek View Post
Kudos to you gary cole. It really does make me scratch my head why people haven't figured this out a millenia ago (unless they did but they technology was somehow lost)
Well, considering that this uses inductive heating and that readily available electricity is only a little more than 100 years old, how exactly are you expecting this to have been discovered long ago...?
    
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post #40 of 47
Can it improve Samurai swords
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