1. C.T. Sims, Non-Metallic Materials for Gas Turbine Engines—Are They Real?,Adv. Mater. Process., Vol 139, 1991, p 32–39
2. W.N. Harrison, D.G. Moore, and J.C. Richmond, “Review of an Inves- tigation of Ceramic Coatings for Metallic Turbine Parts and Other High Temperature Applications,” NACA TN-1186, National Advisory Com- mittee for Aeronautics, 1947
3. F.G. Garrett and C.A. Gyorgak, “Adhesive and Protective Charac- teristics of Ceramic Coating A-417 and Its Effects on Engine Life of Forged Refractory-26 (AMS 5760) and Cast Stellite (AMS 5385) Tur- bine Blades,” NACA RM-E52130, 1953
4. N.I. Cannistraro, Where Do We Stand in Ceramic Coatings?,Met. Prog., Vol 74, 1958, p 111–113
5. N.N. Ault, Characteristics of Refractory Oxide Coatings Produced by Flame Spraying,J. Amer. Ceram. Soc., Vol 40, 1957, p 69–74