1. 1. D. R. Messier, and R. P. Gleisner , "Mg-Si-Al Oxynitride Glasses," U.S. Army Materials Technology Laboratory, MTL TR 92-6, 1992 , and references therein; see Ref. 2.
2. 2. P. F. Aubourg , "Melt Processing Based on the Composition of 'S' Glass (15.5 mol% A12O3, 15.5 mol% MgO, 69 mol% SiO2), with Substitution of Si3N4for SiO2(15.49 mol% A12O3, 15.49 mol% MgO, 62.02 mol% SiO2, 7.00 mol% Si3N4) "; personal communication.
3. Oxynitride Glasses