Its an ancient process perfected by the swordsmith's of Japan and quite
likely by other smiths elsewhere in the world.
Two metals of different carbon content can be joined by folding one into the
other and clay used to cover one during the heating and quenching process.
Modern bi metal hacksaw blades produced in this way.
The process of manufacture of traditional samurai swords is on Youtube and
worth watching even if you have no interest in Samurai swords.
I would imagine that the art was fairly widespread.
Regards
Roy
-----Original Message-----
From: mining-history [mailto:[log in to unmask]] On Behalf Of
David Coyle
Sent: 26 April 2018 13:06
To: [log in to unmask]
Subject: Re: Axe Head
Thanks peter do you know much about the process of this? Im failing to see
how just the edge can have a high carbon content. I know you fold carbon
into iron to produce carbon steel but would this be done separate from the
forging of the axe head and welded on later?
________________________________
From: mining-history <[log in to unmask]> on behalf of Claughton,
Peter <[log in to unmask]>
Sent: 22 April 2018 09:08
To: [log in to unmask]
Subject: Re: Axe Head
The form of the axe head is fairly standard, no necessarily from a mining
context. As to the iron, the edge would be steeled by the smith to provide a
good cutting edge.
Peter
Dr Peter Claughton +44(0)7831427599
________________________________
From: mining-history <[log in to unmask]> on behalf of David
Coyle <[log in to unmask]>
Sent: Saturday, April 21, 2018 11:50:11 PM
To: [log in to unmask]
Subject: Re: [mining-history] Axe Head
Is that the wood grain like pattern in it from the slag? Excuse my ignorance
but Why would they use wrought iron as an axe head? Was that usual and did
the guys just put up with it? Should I do a spark test to try determine how
much carbon is in it?
Is there any way to date the axe or is it safe to assume it came from the
mining village?
Sorry about the questions I'm not too knowledgeable when it comes to history
but very interested.
________________________________
From: mining-history <[log in to unmask]> on behalf of Rod Goslin
<[log in to unmask]>
Sent: 21 April 2018 15:51
To: [log in to unmask]
Subject: Re: Axe Head
By the corrosion pattern on the blade, it does rather look like a
wrought iron product of the local blacksmith. As wrought iron it would
have little or no carbon content and would soon lose it's edge as an
axe, or knife. Nicely made, though.
Rod Goslin
On Sat, 21 Apr 2018 15:59:52 +0100
David C <[log in to unmask]> wrote:
> I have found an axe head in the woodlands at Mavis valley in
> Bishopbriggs. The area was a mining village in the 19th and early
> 20th century. I had pushed a wooden peg into the ground and hit
> something that moved the earth. When I pulled it out it was only four
> inches under and was indistinguishable with the rust on it but my
> thumb had sunk into the eye of the axe and I knew it was a tool.
>
> I have since used electrolysis to remove as much rust as I could. I
> have pictures here
>
> http://bearsdenanglingclub.ipage.com/Axe/side.jpg
[http://bearsdenanglingclub.ipage.com/Axe/side.jpg]
[http://bearsdenanglingclub.ipage.com/Axe/side.jpg]
> http://bearsdenanglingclub.ipage.com/Axe/top.jpg
> http://bearsdenanglingclub.ipage.com/Axe/osmappos.jpg
>
> I would have liked to bring this back to life and put it to work
> again, unfortunately, the metal between the poll and the eye has
> thinned far too much. That being the case I would like to forge it
> back into an axe head, knife or some kind of tool as I like the idea
> that it may have been under the ground for over a century and now it
> is back in working use.
>
> I wouldn't like to do this with any historically relevant relics so a
> professor at Stirling University has directed me here.
>
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