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Kirk B.





Joined: 05 Aug 2007

Posts: 19

PostPosted: Sun 05 Aug, 2007 4:58 pm    Post subject: Recreating excavated patina?         Reply with quote

Hi all, Iím new here,

But I have been fascinated by arms & armor my whole life!

This seems like the right place to answer this question?

Iíve just finished my first attempt at blacksmithing by making a reproduction hilt for an antique blade (Pommel & cross guard). The blade would likely be called excavated condition, heavy pitting and that deep crusty ĎblackenedĒ rust.

Is there any quick way to recreate that type of patina on freshly hammered steel?

Iíve already beat the pieces with broken concrete and gave them some small irregular nicks & pits and I've been soaking it in moist salt for a week. But I donít want to wait for hundreds of years to finish this project Big Grin

Perhaps someone here may have some better ideas to reproduce that deep pitting?

Thanks in advance!

-Kirk
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Darrin Hughes




Location: England
Joined: 22 Jun 2007
Reading list: 20 books

Posts: 228

PostPosted: Mon 06 Aug, 2007 7:20 am    Post subject:         Reply with quote

If you have a look at the features section on this web-site there is a good article called The Instant Antique. Amongst other things it mentions the use of vinegar in solution with the salt. I have just been trying this out on a cheap Roman helmet that I was getting bored with and it is working a treat. The acid really attacks the metal.

Cheers,
Darrin.
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Michael Mercier




Location: Durham, NC on my way to Iraq
Joined: 19 Jan 2004
Reading list: 6 books

Posts: 123

PostPosted: Tue 07 Aug, 2007 11:35 am    Post subject:         Reply with quote

make a bath of hydrogen peroxide and salt. Let it sit in there for a couple days. Empty it and replace the solution. Trust me. It works. The 2 react with eachother creating oxygen and increases the rate of oxidation. This was my light aging to give it an "above the tomb of a knight" look. I also rewrapped the grip with hemp cord and sealed it with glue.

If you want pictures of the process PM me. Just a word of caution. It will get messy.



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Kirk B.





Joined: 05 Aug 2007

Posts: 19

PostPosted: Tue 07 Aug, 2007 7:03 pm    Post subject:         Reply with quote

Thanks guys!

Darrin, I read the article and my parts are soaking now.

Michael, Thatís the look Iím going for, especially the way your blade turned out.

Thanks again,

-Kirk
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Jean Thibodeau




Location: Montreal,Quebec,Canada
Joined: 15 Mar 2004
Likes: 50 pages
Reading list: 1 book

Spotlight topics: 5
Posts: 8,176

PostPosted: Tue 07 Aug, 2007 8:29 pm    Post subject:         Reply with quote

Just plain yellow mustard is very aggressive and a couple of hours is like a few decades of aging I think.

For a very corroded look I would try something like 24 hours ! ( I'm scared to think what that would look like ).

My old lemon juice method is more slow acting and with the use of toilet paper with an interesting texture the results were more like etched simulated Damascus than the more or less corroded look of mustard daubed on the surface.

Some steels resist more than others though and take more time to pit & rust.

Mustard seemed to rust the surface more and lemon juice stain/etch the metal dark gray but not produce any red rust that I could notice.

You can easily give up your freedom. You have to fight hard to get it back!
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