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