Seasoning a graphite crucible? - Bladesmith's Forum Board
Oct 30, 2015 · Mr. Zuiderwik, Are you talking about silicon carbide pots ? I've never heard of silicon graphite crucibles. I agree that silicon carbide crucibles will outlast clay graphites for …
Graphite crucible temper - Bladesmith's Forum Board
Nov 14, 2006 · I suppose you could do it at low temperature but 250-300 F would be faster to dry it out. It wouldn't hurt to heat it higher .Some things like ceramics don't like thermal shock [i …
It's all about the crucibles - Bladesmith's Forum Board
Dec 7, 2017 · Pure graphite is the most expensive, doesn't need tempering before use, and is the sturdiest. It will be hard to find a pure graphite crucible big enough for your wants at a price …
First attempt at crucible steel - Bladesmith's Forum Board
Feb 11, 2013 · Mass spectroscopy seems like a great way to get a baseline on the chemistry, i.e. how much carbon did we get in the ingot and how much carbon might have come from the …
Wootz Makers and Production Methods - Bladesmith's Forum Board
Jan 10, 2015 · Crucible Charge: - Clay Graphite crucible - Charge with Sorel cast iron and atomised iron powder mixed to 1.7% carbon content - Add flux of crushed glass and 1" square …
Clay graphite crucibles - Bladesmith's Forum Board
Dec 31, 2013 · I did an experiment once with an empty crucible sitting about half way into the charcoal. While I heated the charcoal to well over 1300C (bright white), the inside of the …
Graphite Powder and Mild Steel? - Bladesmith's Forum Board
Feb 11, 2006 · I am always amazed at how much carbon I get from graphite. The electro smelt buttons always spark test with good carbon but I do not ad any to the process. I just use …
Wootz Recipes - Bloomers and Buttons - Bladesmith's Forum Board
Jun 24, 2006 · I would do this in a clay or clay-graphite crucible to avoid silicon pickup fron the SiC. Bottom line is 90% Tamahagane, 10% W-2 (for V) , just enough carbon to reach 1.5% C …
Homemade crucibles warning, IMPORTANT. - Bladesmith's Forum …
Oct 22, 2010 · So untill I finalize my research on new crucible composition I strongly recommend the following components\ratios. 6 parts Virgin Mullite, 3 parts EPK Kaolin, 1 part graphite …
Homemade crucibles and furnaces?? - Bloomers and Buttons
Jun 11, 2014 · If you don't have lots of cash, just buy the crucibles, you'll probably come out ahead in the beginning. As far as the furnace goes, look around here for Jeff Pringle'a design, …