W2 Hamon fail

MarkJeffrey

MarkJeffrey

Joined
Nov 7, 2013
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This sure doesn’t look like the clay pattern I had on there . Can anyone give me some insight on what may have gone wrong here? I’m sure there’s a lot of variables. For this I used satanite and I heat treated the blade in an evenheat to w2 specs, quenched with parks50. Etched in ferric chloride to reveal this whack job.
 
Thats nothing, you should see the 2 gyuto i quenched yesterday. Used same schedule as always but hamons came out lookin like spider man played a trick on me
 
Refining the grain by thermo-cycling will make the steel a little more shallow hardening and will create a more active and predictable hamon.

Otherwise I’m not sure what happened.

Hoss
 
I suspect clay was too thick, and some probably popped off with the thermal shock. Clay should be Max 1/8” thick.
 
Still looks cool to me!! I'd finish that bad boy up and put a great handle on it and be happy!!!!
 
What’s wrong with it!?! Looks pretty neat to me. Might not of followed your clay layout but it still has a fullhard edge! Polish it up and finish it
 
I like it, I totally see an elephant;)

~Chip
 
I also don't think it's so terrible and it's certainly useable.
Similar thing happened to me on my first few hamon,s and It worked out fine for me
 
Thanks guys . It’s Just not at all what I’m trying to accomplish. The clay would have looked similar to this , so I’m trying to figure out what I can do differently to get the Hamon closer to the clay pattern. I’m going to rough this one up and grind the edge back so it will hopefully stay straight through another quench , and give it another shot . I’ll try going thinner on the clay .

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MarkJeffrey said:
Thanks guys . It’s Just not at all what I’m trying to accomplish. The clay would have looked similar to this , so I’m trying to figure out what I can do differently to get the Hamon closer to the clay pattern. I’m going to rough this one up and grind the edge back so it will hopefully stay straight through another quench , and give it another shot . I’ll try going thinner on the clay .

4D158037-AC33-493C-979A-4297FFA5CBE5_zpscxecqojy.jpeg
Click to expand...
Whata was your aust temp, how many times normalized, any annealing?
Ive been having a lot of issues getting W2 to follow my clay as well. I have no issues with 1095 but W2 activity seems to go where it wants. Ive had best hamons at 1440 and 1460 but am about to try higher temps, thinking maybe ill get less activity and have it follow clay better.
 
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