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https://orchid.ganoksin.com/t/hardening-copper/43783
Generally copper can be hardened very well but it will be softer than some alloys. To harden copper pieces I tumble them with stainless steel shot. Hammering should work well, but each time you heat the metal it sounds like you are annealing it again. Regards, Jack Etsy Heart, Hand and Mind- Inspired Jewelry - Jack Jellies by JelliesJewelryEstimated Reading Time: 6 mins
https://orchid.ganoksin.com/t/hardening-copper-wire-that-has-been-annealed/44803
You hold the metal at about 600 deg in your oven for, say, 2 hours, then turn the oven off, let it cool overnight to room temperature, then you are done. hardening of metals (well, copper, gold, silver) happens when there is internal crystal structure growth. heating these metals to near the melting temperature, then cooling quickly, prevents the crystal growth formation, which makes the metal soft. …Estimated Reading Time: 2 mins
https://jewelrymakers.proboards.com/thread/200/hardening-dead-soft-copper-wire
Mar 13, 2012 · Post by Vicky onMar 9, 2012 at 12:15am. I only use re-cycled copper electrical wire and it is always dead soft. I often run my wire through nylon pliers a few times to harden it but it never really seems to change in temper. Having never used half hard or full hard wire I have no idea what they might feel like to work with so ...
https://jewelrytutorialhq.com/work-harden-jewelry-wire/
May 13, 2014 · Work Hardening Methods for Jewelry Wire. 1.) Use nylon-jawed flat nosed pliers to pull the wire straight. Try to pull it from one end to the other so that the entire length of the wire is worked evenly. Repeat several times, checking the stiffness of the wire as you go.Estimated Reading Time: 7 mins
https://www.youtube.com/watch?v=vCnegq416GQ
Aug 01, 2015 · Annealed copper can be shaped or formed. But for most end products, we want the copper to be hard or ridged. This video shows a few simple ways that copper...Author: George Goehl
https://jewelrytutorialhq.com/jewelry-wire-work-hardening/
May 10, 2014 · Work hardening is a term that refers to certain metals’ tendency to stiffen up as they are manipulated. Very often, we use work hardening intentionally to give strength to soft metal to help it hold its shape. We can also use it to add springiness, as is helpful in a latched hoop earring or clasp.Estimated Reading Time: 6 mins
http://brassgoggles.co.uk/forum/index.php?topic=26402.0
Sep 08, 2010 · Bead blasting is one of the main ways of hardening copper used in industry. It has been used on some shafts i turned at work and with good results. The bearing surfaces were masked off and then bead blasted to hardnen the top few microns of the copper.
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