Ancient Science of China中国古代科学
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窑变釉

Kiln-Transmutation Glaze / Flambé Glaze

Exploiting random local variations in kiln atmosphere and temperature — copper and iron elements in the glaze produce unpredictable, brilliant color changes in alternating oxidizing and reducing environments.

窑变釉

Scientific Principle

Transition metal multi-valence coloration: Cu⁰ (red), Cu⁺ (colorless), Cu²⁺ (blue-green); Fe²⁺ (bluish-green), Fe³⁺ (yellowish-brown).