Potassium phosphate oxynitride glasses were made by heating crystalline KPO3 at 702-775 degrees C in dry ammonia. Softening temperature, thermal expansion coefficient, refractive index, and dissolution rate in water were measured as a function of nitrogen content.
Origin
University Of Missouri
Journal Title
J Am Ceram Soc 1989 72 9 1601-1603
Sector
Special Glass
Class
S 321