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The Newbies Arena Are you new to knife making? Here is all the help you will need. |
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#1
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new blade with hamon
HI everyone. I'm working on a set of knives. And just got done heat treating the blades. I did a clay coat and had a piece of the clay pop off in the oil. I really like how it affected the hamon. I'll post pics of the other blade tomorrow after etch and polish. Both are 1084.
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#2
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Thats a sweet Looking hamon Ricky, i like the double wave action in the middle. And it's about time we get something new from you, you have been dormant for so long i thought you gave up on making knives.
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#3
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Thanks jdale. Life happens. Lol. We built a house and were in a rental for a year. Then I went to Nebraska for 4 months to work. Now I'm back home and hope to finish 4-5 knives for Christmas. I think you might see a couple pieces of your wood appear on the ends of these pieces.
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#4
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The double hammon lines are interesting. It will be nice to see the knife completed.
Doug __________________ If you're not making mistakes then you're not trying hard enough |
#5
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Did a quick etch on the second blade to get a peak at the hamon before I headed to work. I like this one too.
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#6
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Wow, where's the double line that used to be there? Still, it's a nice strong pattern.
Doug __________________ If you're not making mistakes then you're not trying hard enough |
#7
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Doug, it's a pair of blades. The first had the double line the second does not. I hope to get them assembled this weekend.
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#8
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Very interesting. Just a question/thought, how can/will that effect the integrity of the strength of the blade? Really don't see it causing a problem, but was just wondering. I had done something similar on a wide double edged dirk - clay coated center spine for effect,- but never thought about doing a single edge for that effect...........hhmmmmm
Might be time to make up a dummy blade and do a break test, what steel did you use? __________________ Carl Rechsteiner, Bladesmith Georgia Custom Knifemakers Guild, Charter Member Knifemakers Guild, voting member Registered Master Artist - GA Council for the Arts C Rex Custom Knives Blade Show Table 6-H |
#9
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Crex. I don't anticipate any negative effects. What are the negative effects of doing a normal quench vs a differential quench? A slightly harder spine? Yes. But thats what the draw back temper is for. I suppose if I was making a knife to pass the blade smith test I would have re done the heat treat. But outside of that I don't suspect this knife needs to bend to 90 and back. The steel is aldos 1084 and I tempered 2 hours at 410 just like I would have if I was fully hardening the spine. ie. Not clay coating the blade. That temper has given me very good results.
Last edited by ricky_arthur; 11-21-2014 at 04:46 PM. |
#10
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Second blade with a little elbow grease.
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#11
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Not questioning the edge vs full quench, just wondering about the grain structure issue around the "spot" on the first blade. Like you, am pretty sure it's no biggie, just a curious thing. I plan to do some with intentional "spots" do a break, then grind smooth and do an etch just to see if anything interesting is going on. My guess it is only a superficial bling sort of thing.
__________________ Carl Rechsteiner, Bladesmith Georgia Custom Knifemakers Guild, Charter Member Knifemakers Guild, voting member Registered Master Artist - GA Council for the Arts C Rex Custom Knives Blade Show Table 6-H |
#12
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it will be interesting to see what you find. Theoretically it should look no different than the steel at the edge. Its simply a spot where the clay popped off and got fully hardened like the edge.
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#13
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#14
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>>Theoretically it should look no different than the steel at the edge.<<
Probably not quite the same. the spine and the edge have two entirely different geometric differences and the spine area is bordered by slower cooling but larger masses. My gut guess is that the spine area did not get full hard like the edge due to the mass issue alone, but won't know for sure without testing. No matter really just a curious thing. One does have to wonder "why" the clay popped off in an almost identical pattern on both sides.....could that be from the pattern of the heat traveling through mass in the steel from both ends and the edge until that "central point" of critical temp is met? Hhmm...nuther curious thing. Both turned out very nice Ricky. Thank you for sharing. __________________ Carl Rechsteiner, Bladesmith Georgia Custom Knifemakers Guild, Charter Member Knifemakers Guild, voting member Registered Master Artist - GA Council for the Arts C Rex Custom Knives Blade Show Table 6-H |
Tags |
1084, back, bee, blade, blades, chris, christmas, coat, edge, etch, hamon, heat, home, knife, knives, make, making, pattern, polish, post, problem, steel, wave, wood |
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