Silicon Carbide in glazes
Has anyone had any luck adding silicon carbide to glazes.
I found this blog by Jon Britt Silicon Carbide reds which basically says put some silicon carbide 600 in your red reduction glazes and something nice will happen when you fire them in oxidation. Well, I tried this in many different glazes and I got the most bubbly, ugly nasty glazes you can imagine. I used Stephen Hill's firing schedule, which has a couple of long holds.
Back in February Jon promised to disclose the secret. I hav
Larry,
Your query prompted me to re-read an early paper on the subject:
THE PRODUCTION AND CONTROL OF COPPER REDS IN AN OXIDIZING KILN ATMOSPHERE
Arthur E. Baggs, Edgar Littlefield
Journal of the American Ceramic Society
Volume 15, Issue 5, pages 265–272, May 1932
... the abstract is freely available at:
http://onlinelibrary...3930.x/abstract
For those without access to the contents of the paper, here are a few comments.
(1) They obtained a cone 9 copper red with 0.3% copper