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ThurberMingus · 487 days ago · link · · parent · post: "The thing I love about enamel is that you’re never in control, you’re always on a knife-edge."
There's always part of me that's surprised that enameling works at all given the difference in thermal expansion. Though the lower thermal expansion of glass would leave it in compression, so there's that. I know with pottery finding a glaze chemistry that fits a clay and firing level is empirical or trial and error. Sounds like enameling is similar and the well known artists are guarding their knowledge.