[TheForge] Interesting Article

[Peter Fels & Phoebe Palmer]

Thanks Jim;
Your wide knowledge is appreciated..pf

James Binnion wrote:
> Pete, that is a common misconception, there is great confusion between 
> true  "damascus" steel and pattern welded and folded/ welded blade 
> construction. It was called Damascus steel because the Europeans thought 
> it originated there but that was only where the blades were made. It was 
> a crucible steel made in India that was traded to the Middle East. It 
> was forged at low temps to keep the microstructure intact. If you took 
> and forge welded wootz you would loose the patterns that formed from the 
> heating and cooling in the crucible.
> 
> Jim
> 
> For more info read some of  Verhoeven and Pendray's work on Demascus Steel:
> 
> 
> 
> # J.D. Verhoeven, A.H. Pendray and W.E. Dauksch, The Key Role of 
> Impurities in Ancient Damascus Steel Blades, J of Met. 50, No. 9, 58-64 
> (1998). ( http://www.tms.org/pubs/journals/JOM/9809/Verhoeven-9809.html )
> 
> # J.D. Verhoeven, Genuine Damascus Steel: A type of banded 
> microstructure in hypereutectoid steels, Steels Research,73, 347-55 
> (2002). (acrobat 6 required)
> ( 
> http://www.mse.iastate.edu/fileadmin/www.mse.iastate.edu/static/files/verhoeven/steelresearchsize2.pdf ) 
> 
> 
> # John D. Verhoeven, The Mystery of Damascus Blades, Scientific 
> American, Vol. 284, 74-79 (January 2001).
> ( 
> http://www.sciamdigital.com/browse.cfm?sequencenameCHAR=item&methodnameCHAR=resource_getitembrowse&interfacenameCHAR=browsecfm&ISSUEID_CHAR=627CE543-39CD-491D-A102-209F8B6F281 ) 
> 
> 
> # John Verhoeven and Alfred Pendray, The Mystery of the Damascus Sword, 
> Muse, vol. 2, No. 2, 35-43 (1998). (acrobat 6 required)
> ( 
> http://www.mse.iastate.edu/fileadmin/www.mse.iastate.edu/static/files/verhoeven/muse.pdf ) 
> 
> 
> # J.D. Verhoeven, A.H. Pendray and W.E. Dauksch, The Continuing Study of 
> Damascus Steel: Bars from the Alwar Armory, J of Met. 56, No.9,17-21 
> (2004).
> 
> ( http://doc.tms.org/servlet/ProductCatalog?container=JOM+2004+September )
> 
> 
> 
> On Oct 8, 2008, at 12:31 PM, Peter Fels & Phoebe Palmer wrote:
> 
>> Seemed wrong to me. I'd read that the Wootz came with big, low carbon 
>> (?) grain structure on the outside surrounding a core of high (?) 
>> carbon  that had to be forged out , folded and welded repeatedly to 
>> produce the laminated structure.
>> Carbon migration should have equalized in that time, so perhaps the 
>> alloy content was segregated by the wootz process?...pf
> 
> James Binnion
> jbin at well.com
> 
> 
> 
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