garyjuergens Posted February 12, 2020 Report Share Posted February 12, 2020 Anyone heard of a recipe to make photochromatic (light causes color change) ceramic glaze? Similar to this glass: https://www.youtube.com/watch?v=mUcUy7SqdS0 Thanks, G Link to comment Share on other sites More sharing options...
neilestrick Posted February 12, 2020 Report Share Posted February 12, 2020 I've seen glow in the dark glaze, which works like most glow in the dark stuff, where you have to power it up with light first. Would that be similar? Sounds like a good thesis project! Link to comment Share on other sites More sharing options...
liambesaw Posted February 12, 2020 Report Share Posted February 12, 2020 There are similar glazes using lanthanides like neodymium and holmium that change color depending on the wavelength of light reflecting off of them. Sunlight one color, fluorescent another color. That's about all I know about color changing glazes Link to comment Share on other sites More sharing options...
JohnnyK Posted February 12, 2020 Report Share Posted February 12, 2020 I don't know much about color changing glass, but I think what you have in mind is dichroic glass, and I don't know haw that stuff might be incorporated into a glaze... Link to comment Share on other sites More sharing options...
liambesaw Posted February 12, 2020 Report Share Posted February 12, 2020 27 minutes ago, JohnnyK said: I don't know much about color changing glass, but I think what you have in mind is dichroic glass, and I don't know haw that stuff might be incorporated into a glaze... If you watch the video, it is photochromatic, it stains dark where exposed to light (like transitions lenses for eyeglasses) Link to comment Share on other sites More sharing options...
Min Posted February 12, 2020 Report Share Posted February 12, 2020 Nov 2017 issue of CM has an article by Ryan Coppage in which he shares a recipe for WTF Purple ^6 glaze. Article mainly covers the rare earths neodymium oxide, erbium oxide, and praseodymium oxide. WTF glaze with 3 different light sources in image below. Here's the recipe if its any help: WTF Purple ^6 Gerstley Borate 15.5 Whiting 14.5 Nepheline Syenite 45.3 Grolleg 5 Silica 19.7 plus neodymium oxide 7 (Will craze heavily. Looses its dichroic property if fired in reduction) Link to comment Share on other sites More sharing options...
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