by saltmummy » Thu Apr 14, 2016 8:29 am
Katana aren't... made that way? Multiple types of steel though, yes. The steels are layers together and worked. Once the smith has the different steels the way he wants them, they are worked into a billet and from there turned into a sword. It's a fairly complex process to be sure, but not a process of adding more material to a partially completed weapon or tool. Forget that though, let's talk about the process of adding more metal to metal and how practical that is. Throwing more metal onto a sword does very little except add weight, and doing so would get more difficult the more metal you had to work on. You can't just duct tape metal pieces together and call it good either. Even just heating the two pieces isn't really adequate. In blacksmithing, back before we had the various welders mankind uses to join bits of metal we have today, we had to forge weld pieces of metal together. This involves roughing up the steel, spreading flux on the two bits of metal, heating them up until they are white hot, layering the two white hot bits of metal over one another, and beating the ever loving crap out of them with a hammer. Sends hot sparks everywhere. The only thing I can think of that makes "multiple forgings" make any practical sense is the idea of taking a blade or tool back to the shop to try and improve the temper. Or to hammer out imperfections, or grind out a chip or crack. All of those don't involve a true forging and don't require more metal to be added.
And yes, I have a background in traditional metal working.
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