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#1 |
Member
Join Date: Dec 2004
Location: Ann Arbor, MI
Posts: 5,503
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I have been using a new bottle of the RadioShack etching fluid ( ferric chloride), diluted ~1:5. Took a soft cloth, soaked it, passed in a single movement over the blade (polished, washed, dried, alcohol defatted), and after ~10 seconds, washed it with copious amount of water , then sodiuim bicarbonate, then water again and dried it. From the beginning to the end it took no more than 1 min.
I got a wootz pattern ( pretty feeble), but the entire blade became grey. What should I do to: 1. Enhance the pattern? More concentrated etcher? Longer exposure? 2. Eliminate the grey color? Rub it with rough felt? |
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#2 |
Member
Join Date: Apr 2005
Posts: 3,255
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Hello Ariel,
Please post a pic or 2... Is the blade expected to be wootz? Regards, Kai |
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#3 |
EAAF Staff
Join Date: Dec 2004
Location: Louisville, KY
Posts: 7,272
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Also what kind of water - distilled I hope? Did you also use baking soda afterward?
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#4 |
Member
Join Date: Dec 2004
Location: Kernersville, NC, USA
Posts: 793
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I've had wootz blades that didn't respond well to FeCl. They used nitric in the past I think. I've never used it. Very dangerous stuff.
Steve |
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#5 |
Member
Join Date: Dec 2004
Location: Ann Arbor, MI
Posts: 5,503
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Thanks to all!
Both blades are unquestionable wootz: very weak pattern seen. Yes, distilled. Yes, baking soda ( sodium bicarbonate) What %% nitric acid? How long? And, if the rest of the blade is still grey, any rubbing afterwards or some other method? |
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#6 | |
Member
Join Date: Oct 2007
Posts: 2,818
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You speak the lingo and will find this a help. http://playground.sun.com/~vasya/Obach-01.html It works for me and as noted, is very dangerous, I mean very, be careful. Gav |
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