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Old 18th October 2006, 07:07 PM   #21
S.Al-Anizi's Avatar
Join Date: Jun 2006
Location: Arabia
Posts: 279

Originally Posted by tsubame1
If harden = to make an hard cutting edge and temper = relief the stresses with a subsequent (softer) heating, well japaneses where well aware and able to make both, even in older times. It's a matter of Schools. Somes applied tempering, some not. TOGETHER with differential hardening.

Samurai too. I wonder why the heck they used the same type of technology
for almost 1000 years being such blades so prone to bending...

Well thats what most people who practice JSA (i dont) say, that even a botched cut might cause a bent blade.
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