What would happen...

[Keith_H]

What would happen if INFI were to be friction forged ? I know this is most likely a patented process, but I wonder how the final product would turn out.

 

[idahoskunk]

don't let the moderators catch you talking about friction around here, they hand out infractions like candy around a grade school.





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[Tyrkon Lawson]

 

[idahoskunk]

see!!!! their always watching.... Sshhhhhhhh they may be here now.....:foot:


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[Keith_H]

AAH I don't want a ticket! noo! :foot:

 

[Cobalt]

What would happen if INFI were to be friction forged ? I know this is most likely a patented process, but I wonder how the final product would turn out.

Would not help at all. All you are doing with friction forging is localized hardening, so it is a way of differentially tempering a steel that you may not normally be able to differentially temper, like D2. It ay work well for such steels, but it is definitely a step down for hard use knife steel. Oh and you can quote me on that

I would probably stop buying INFI if it was friction forged. I would probably not buy any tough steel that was friction forged.

 

[Keith_H]

alright then. What is the grain size on one of Busse's INFI knifes?

 

[Progunner]

don't let the moderators catch you talking about friction around here, they hand out infractions like candy around a grade school. .

You keep it up buddy boy and you're gonna talk yourself into a whole mess of red chiclets, unless you send me a cool variant from one of your drawers that is.

 

[Justabuyer]

Would not help at all. All you are doing with friction forging is localized hardening, so it is a way of differentially tempering a steel that you may not normally be able to differentially temper, like D2. It ay work well for such steels, but it is definitely a step down for hard use knife steel. Oh and you can quote me on that

I would probably stop buying INFI if it was friction forged. I would probably not buy any tough steel that was friction forged.

SO reducing grain size is of no value? Has anyone seen cobalt and Mr Stamp at the same time?

 

[Keith_H]

when I say INFI, something tells me it is tough D2, or awesomer D2, so i figured that if INFI had a 0.5 micron grain size, it would be of biblical proportions. (It probably has a small grain size anyway)

 

[Cobalt]

when I say INFI, something tells me it is tough D2, or awesomer D2, so i figured that if INFI had a 0.5 micron grain size, it would be of biblical proportions. (It probably has a small grain size anyway)

Well The FF process obviously made D2 into a tougher steel than it would be otherwise. Think about it, it is near dead soft at the spine and does not get real hard until you get close to the edge and then the hardness goes to 67 or something. So you get high edge retention with a soft spine for excellent bend strength etc. It is a way to turn a stainless steel(or near Stainless, since D2 is on the verge of non stainless) in a slightly tougher steel

But remember this, there is no charpy data on this and no toughness figures. Everything they have done is testing of edge holding and it sure does that at an Rc of 67.

INFI, S7, A8, A2, S5 would not benefit from this since they are already supertough.

Also this presumes a shitty HT in the first place.

I guess you guys don't remember the Swamp Rat D2 knife that was hammered to death and took forever to fail. All because of excellent busse heat treat which creates grain refinement. I would still take that over FF any day until someone actually prooves to me that it is as tough as that SwampRat D2

SO reducing grain size is of no value? Has anyone seen cobalt and Mr Stamp at the same time?

No, Cliff's family is part of the Yeti clan, has nothing to do with me.

 

[RVO3VOM]

You keep it up buddy boy and you're gonna talk yourself into a whole mess of red chiclets, unless you send me a cool variant from one of your drawers that is.

Hey Princess Prada Progunner -- What in the heck are you doing looking into Skunk's drawers?!?!?! :barf:

RED CHCKLETS FOR YOU


∞

 

[OldPhysics]

Gents,

I'm not a metallurgist, just a lousy solid state physicist.

And I'm with Cobalt on this one. Grain size refinement won't necessarily produce a better knife from something as refined as INFI. I'd want the same tests Cobalt quotes before I'd 'go for it.'

It's not just the grains. The grain boundaries and inter-grain zones are equally important. It's not clear what happens to these areas during friction forging.

Would be fun to find out, of course...