Quench

The most dramatic moment in making a Japanese sword is the quenching. In part, that’s because if you have failures in your welds, the blade may suddenly delaminate, turn into a pretzel, or crack.

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Dragonfly Forge – Day 2

One of the pleasant surprises is that forging is not anywhere near as kinetic as I expected it to be. There’s a lot of “wait for the metal to heat” then “find the right spot” and hit it a few times, followed by “figure out where to hit it next” and back into the heat. So you’re not emulating a trip-hammer and just wailing away at the metal, which means it’s not tearing up the wrists or elbows. Mostly you lift the hammer and let gravity do its thing.

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