Development and Tribological Properties of New Cyclotriphosphazene High Temperature Lubricants for Aircraft Gas Turbine Engines

REFERENCES

• Pezzella , G. and Warner , P A. , “ High Temperature Liquid Lubricant Requirements for Advanced High Performance Gas Turbine Engines ,” AIAA/SAE/ASME/ASEE 26th Joint Propulsion Conference , Preprint AIAA-90-2042 ( 1990 ).
   Google Scholar
• Alcock , H R. , Phosphorus-Nitrogen Compounds , Academic Press , New York ( 1972 ).
   Google Scholar
• Lipkin , D. , “Lubricant,” U.S. Patent 2, 109, 491 ( 1938 ).
   Google Scholar
• Lipkin , D. , “Phosphonitrilic Condensation Product,” U.S. Patent 2,192,921 ( 1940 ).
   Google Scholar
• Lipkin , D. , “Synthetic Resinous Material,” U.S. Patent 2,214,769 ( 1940 ).
   Google Scholar
• Nichols , G M. , “ Synthesis of Inorganic Polymer High Temperature Fluids ,” Wright-Patterson Air Force Base/Aeronautical Systems Division Technical Documentary Report 61-2 , ( 1961 ).
   Google Scholar
• Nichols , G M. , “Unsymmetrical Aryloxy Triphosphonitriles,” U.S. Patent 3,136,727 ( 1964 ).
   Google Scholar
• Moran , E F. , Parrott , L L. , Coffey , C E. and Sherif , F G. , “ Synthesis of Inorganic Polymer High Temperature Fluids ,” Wright-Patterson Air Force Base/Materials Laboratory Technical Documentary Report 64–15 , ( 1964 ).
   Google Scholar
• Nichols , G M. , “Fluorinated Alkaryloxy Phosphonitriles,” U.S. Patent 3,234,304 ( 1966 ).
   Google Scholar
• Kober , E H. , “Aminophenoxy and Nitrophenoxy Phosphonitriles,” U.S. Patent 3,280,222 ( 1966 ).
   Google Scholar
• Kober , E H. , Lederle , H F. and Ottmann , G F. , “Cyclic Polymeric Phosphonitrilate Compositions,” U.S. Patent 3,291,865 ( 1966 ).
   Google Scholar
• Lederle , H. , Kober , E. and Ottman , G. , “ Fluoroalkyl Phosphonitrilates, a New Class of Potential Fire-resistant Hydraulic Fluids and Lubricants ,” Jour. Chem. Eng. Data , 11 , pp 221 – 228 ( 1966 ).
   Web of Science ®Google Scholar
• Nichols , G M. , “Fluorinated Phosphonitriles,” U.S. Patent 3,316,330 ( 1967 ).
   Google Scholar
• Singler , R E. , Deome , A J. , Dunn , D A. and Bieberich , M J. , “ Preparation and Properties of Phosphazene Fire-Resistant Fluids ,” Ind. Eng. Chem. Prod. Res. Dev. , 25 , pp 46 – 57 ( 1986 ).
   Google Scholar
• Nibert , R K. , “Phosphazene Containing Lubricating Grease Compositions,” Europea n Patent 0 241 877 A2 ( 1987 ).
   Google Scholar
• Kolich , C H. and Klobucar , W D. , “Mixed Esters of Polyphosphazenes,” U.S. Patent 4,698,439 ( 1987 ).
   Google Scholar
• Allcock , H R. , Phosphorus-Nitrogen Compounds , Academic Press , New York , pp 97 – 133 and 150–174 ( 1972 ).
   Google Scholar
• Standard Test Method for Pour Point of Petroleum Oils , ASTM D 97-87 ( 1987 ).
   Google Scholar
• Levy , P F. , Nieuweboer , G. and Semanski , L C. “ Pressure Differential Scanning Calorimetry ,” Thermochim. Acta , 1 , pp 429 – 439 ( 1970 ).
   Google Scholar
• Blaine , R L. , “ Oxidative Stability of Oils and Greases ,” DuPont Instruments Application Brief , TA 41 ( ).
   Google Scholar
• Blaine , R L. , “ Thermal Analytical Characterization of Lube Oils and Greases ,” NLGI Spokesman , 40 , pp 94 – 99 ( 1976 ).
   Google Scholar
• Wesolowski , M. , “ Thermal Analysis of Petroleum Products ,” Thermochim. Acta , 46 , pp 21 – 45 ( 1981 ).
   Web of Science ®Google Scholar
• Zeman , A. , “ Newer Examination Methods for Lubricants. Pt. I. PDSC ,” Maschinenschaden , 57 , pp 49 – 51 ( 1984 ).
   Google Scholar
• “ Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity ),” ASTM D 445-88 ( 1988 ).
   Google Scholar
• Vennard , J K. and Street , R L. , Elementary Fluid Mechanics , John Wiley & Sons , New York , 6th ed. , pp 502 – 506 ( 1982 ).
   Google Scholar
• “ Standard Test Method for Autoignition Temperature of Liquid Chemicals ,” ASTM E 659-78 ( 1984 ).
   Google Scholar