Comparison of the Dimensional Stability of Kel-F 81 and Neoflon CTFE M400H Polychlorotrifluoroethylenes Used in Valve Seat Applications

ASTM Special Technical Publication

Volumn , Issue 1395, 2001, Pages 21-37

  Waller, Jess M ^a   Newton, Barry E ^b   Beeson, Harold D ^a   Haas, Jon P ^a  

^a NASA JOHNSON SPACE CENTER   (United States)

^b Wendell Hull and Associates Incorporated   (United States)

Author keywords

Dimensional instability; Flow friction; Glass transition; Impact sensitivity; Kel F; Neoflon; PCTFE; Valve seats

Indexed keywords

EID: 0346491913     PISSN: 00660558     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Article

References (8)

1. Kel-F 81 PCTFE, Engineering Manual, 3M Industrial Chemical Products Division, St. Paul, MN, Nov. 1990.
2. Sheirs, J., "Structure/Property Considerations for Fluoropolymers and Fluoroelastomers to Avoid In-Service Failure," Modern Fluoropolymers, High Performance Polymers for Diverse Applications, Sheirs, Ed., J. Wiley & Sons, Chichester, Chapter 1, 1997.
3. Neag, C. M., "Thermomechanical Analysis in Materials Science," Materials Characterization by Thermomechanical Analysis, ASTM STP 1136, A. T. Riga and C. M. Neag, Eds., American Society for Testing and Materials, Philadelphia, 1991, pp. 3-21.
4. Samuels, R. J., "Polymer Structure: The Key to Process-Property Control," Polymer Engineering and Science., 1985, 25, 864-874.
5. Waller, J. M., Investigation of Probable Factors Contributing to the Extrusion of Monomethylhydrazine Pilot Operated Valve Seats, NASA-JSC Test Report TR-960-001, White Sands Test Facility, Las Cruces, NM, in publication.
6. Wunderlich, B., Macromolecular Physics, Academic Press, 1976, Volume 1, Chapter 4, pp. 382-387.
7. Waller, J. M., Haas, J. P., Beeson, H. D., "Polymer-Oxygen Compatibility Testing: Effect of Oxygen Aging on Ignition and Combustion Properties," Flammability and Sensitivity of Materials in Oxygen-Enriched Atmospheres: Ninth Volume, ASTM STP 1395, T. A. Steinberg, H. D. Beeson, B. E. Newton, Eds., American Society for Testing and Materials, West Conshohocken, PA, 2000.
8. Dixon, D. W. and Massey, F. J., Jr., Introduction to Statistical Analysis, McGraw-Hill Book Co., Inc., New York, 1969.