one mean S.O.B.

[atakach]

well the trip went well and the knife performed well as well.

andrew

 

[rhrocker]

Andy, I liked the post and how you tested the knife you made. I'm afraid there are 100's (1,000's) of knives out there that have been forged or stock removed, some weird heat treat and into the kitchen oven for 1 hour @ 120, that wouldn't cut the makers finger. Someday, someone (maybe Kevin) is going to invent an instrument that can tell the makeup, and hardness by pressing it on a blade. A lot of knives will be hidden then that thing comes in the room )
Yours, Andy, would pass. Congradulations! Now you have something to go by on your next one. Did you temper it? It apparently doesn't matter just for a test like this, Kevin mentioned that his blades weren't tempered that he tested.

 

[Dan Gray]

question? if you triple quench a blade and mess up the 3rd quench does the first 2 times count ? NO

if you quenched 3 times you may as well forget about the first two times and worse if you happened to over heat it in any of the quenches you may now have a lesser steel then you started with.
more food for thought for very new guys...

 

[atakach]

rhrocker, thanks for the positive response, and yes i only edge hardened, and was gonna leave as is, but it failed the brass rod test cause the edge was to brittle. which for myself was fine if i was only gonna cut with it, but as a chopper it was intended for i tempered for 1 hour 2x's at four hundred deg.

Dan, i agree that if you over heat the piece that you might as well start over, but when i hardened, it was just at a nice dull red heat soak, and believe it could only aid in the grain refinement. as well i also in my last few heats of forging i quenched the blade a few times and forged at a very low heat to help in the grain structure. I'm only doing this based on what Ive heard and thought I'd try it. whether it was a waste of time or not i guess I'm not sure of, all i know for sure is that on this particular piece it worked for me.

 

[Dan Gray]

Dan, i agree that if you over heat the piece that you might as well start over,
I'm only doing this based on what Ive heard and thought I'd try it. whether it was a waste of time or not i guess I'm not sure of, all i know for sure is that on this particular piece it worked for me.

they didn't talk about edge packing too did they?


Kevin no temper at all , and then bouncing it off the cement with no brakes

I can do that too,, but with
my prybar made from a lawn mower blade that won't harding
over 48 Rc

 

[atakach]

finally finished this'en up and after re-profiling it and re-handeling it, here's the finished product.

andrew takach

 

[Jim L.]

Is triple quenching that much better to do. I have done a second quenching
but I could not really tell the difference from the first to the second quench.
I dropped one of my knives from 4" and it did just like what you said your knife
did just a little tip damage.

Bryan

I've always quenched 3 - 5 times. I don't know why,`just do. I could never take a blade to destruction like you guys do,though.

I dont think I would take the pride in how much abuse it took before the blade failed over the loss of that much of myself (cause there's a lot of me in those blades) with the failure.

I still have a lot to learn.

Jim L.