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Step 7Hardening the picks
This is where the magic starts to happen, at the moment the picks are pretty soft so will flex and bend all over the place if you try and do anything with them. We will now harden them.
Take the pick and heat it with the blow torch again until it all glows red, then plunge it quickly into some cold water. This makes the crystalline structure of the metal reform quickly into small crystals (or something of that description) and will cause the metal to become very hard and brittle.
Be carefull when handling the picks not to bend them or the will probably snap, especially around the thin metal bits.
Take the pick and heat it with the blow torch again until it all glows red, then plunge it quickly into some cold water. This makes the crystalline structure of the metal reform quickly into small crystals (or something of that description) and will cause the metal to become very hard and brittle.
Be carefull when handling the picks not to bend them or the will probably snap, especially around the thin metal bits.
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Sep 28, 2008. 10:42 AMtoilofday
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Jun 7, 2009. 1:50 AMtoilofday
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Jun 7, 2009. 1:52 AMtoilofday
says:
you're using the basics of what we need for this project but the real deal is the tempering oven. I'm working on making a rough plan to build one. I just don't know where I would get ceramics. never put mesages on the board when you've been drinking lot of ummm redbull
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