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High-Performance Blades Sharing ideas for getting the most out of our steel.

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  #1  
Old 09-12-2008, 12:03 AM
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B.Finnigan B.Finnigan is offline
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Meteorite melt

I got a pound of campo meteorite shavings that I melted/welded into an ingot today. A quick surface grinding showed no voids. The Campos have a good nickel content that etches out good.



After several etches with full strength FC it revealed a granite type pattern that changes as the light angle changes. IT will become a guard sometime in the future.


Last edited by B.Finnigan; 09-12-2008 at 11:53 PM.
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Old 09-12-2008, 10:29 PM
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chiger chiger is offline
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Cool! Hey, if it's good enough for Jim's Bowie...

I've really enjoyed seeing some of the peened and etched iron fittings showing up around here lately, but that will take things to a whole 'nother level for sure. Hope you'll show us how it comes out.

chiger,

Last edited by chiger; 09-12-2008 at 10:32 PM.
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Old 09-12-2008, 11:51 PM
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I have another pound of shavings comming and I will attempt to melt them along with some cast iron shavings to get some fiqured carbon steel. The trial attempt will be just a couple Oz. and pending the outcome I will then go for a bigger melt.

After seeing how the shavings etched I can kick up the fiquring a notch by adding some iron filings. The nickel seems to dominate the pattern and some iron would add more black to it. At least that is my theory for now.
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Old 09-13-2008, 12:09 AM
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Sounds logical.

I'm still stunned by how irregular and organic the grain came out. I've had to come back to check it out a couple more times. You're right about the granite look.

It's amazin' how you can get some of the most unexpectedly cool things when you experiment.

chiger,
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Old 09-13-2008, 11:50 AM
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To get the etch I heated the ingot up under hot water and used full strength FC. I just finished up a pendant for my wife out of a Campo meteorite slice. No matter how long I soaked it in a 50% dilution of FC the pattern came out muddy. So I contacted the supplier to find out how he got such a clean etch. Using full strength FC made sense since 5-6% nickel is much higher then the 1.5% that 15N20 steel has.
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Old 09-14-2008, 01:58 AM
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See Mr. Finnigan, that's what I love about this forum. I've started collecting bits of knowledge on the coolest etching techniques.

This has been added to the folder on my desktop for when I work up the courage to try some more exotica etching.

Thanks for teaching. I can't wait to see how it comes out when you add the iron to your ingot.

chiger,
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Old 09-14-2008, 10:50 AM
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I assumed that etching a iron nickel meteorite would be the same as damascus or wrought iron. It's not so I had to contact someone that does it for a business. Now that I know I can share the info with everyone on TKN.

This is the pendant I made. It's from a Campo slice and has a 24kt gold eyelet and a black diamond set in. A friend of mine is a jeweler and showed me how to set the diamond and let me use her laser welder to attach the eyelet.



I made a box for it out of ancient Kauri wood. It carbon dates to 60,000 yrs old.


Last edited by B.Finnigan; 09-14-2008 at 04:51 PM.
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Old 09-14-2008, 11:10 AM
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very cool...
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Old 09-15-2008, 12:09 AM
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Wow! 60,000 year old wood, a pendant made from extraterrestrial material that may be as old as the earth and a black diamond. Man...I'm glad our wives are on opposite sides of the country. There's no way I could match that. ;~)

That is amazing Mr. Finnigan. Really beautiful. Thanks for posting it.

chiger,
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Old 09-15-2008, 07:26 PM
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The wood is somewhat brittle to work with so I will stabilize it before using it for knife handles and blocks. I just finished turning a pen with some that I stabilized and it did not chip at all. It is also known for not expanding or contracting with temp or humidity changes. But I screwd up two attempts at making that box. It took a brand new end mill and the highest speed my mill would run to keep the chiping down.
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Old 04-13-2012, 06:32 PM
sdeering sdeering is offline
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Hollly cow 60000 years old its aged well.....
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Old 04-13-2012, 06:40 PM
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The cold low oxygen-high acidity peat bog makes a good wood preservative. I also have a few pieces of Irish bog oak that is 6000-7000 yrs old.
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Old 04-14-2012, 11:52 AM
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I don't remember this thread, but I'm glad it got resurrected! Interesting stuff!!


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