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Army Experience with Silicone Brake Fluids
ISSN: 0148-7191, e-ISSN: 2688-3627
Published February 01, 1978 by SAE International in United States
Annotation ability available
A program to evaluate silicone brake fluids for use in military vehicles operating in various climatic conditions was begun in 1967. After 6 years of laboratory testing and numerous improvements in the characteristics of these fluids, a vehicle field test was initiated in the spring of 1973. Three candidate silicone fluids were selected and installed in M151 1/4-ton cargo vehicles, and M-715 1-1/4-ton vehicles operating at the Tropical Test Center (TTC), Panama Canal Zone, the Yuma Proving Ground (YPG), Arizona, and the Arctic Test Center (ATC), Fort Greeley, Alaska. Brake parts were inspected after 1 year of operation, and all parts were removed and inspected after 2 years of operation. After 2 years of service at TTC and YPG, the two water intolerant silicone fluids were significantly better than the water tolerant silicone fluid and the conventional VV-B-680 fluid. At ATC, the water intolerant silicone fluids were removed from test after 8 months due to possible crystallization at temperatures below -50°F, and two new silicones were installed. The new low temperature silicones were superior to the MIL-H-13910 arctic brake fluid after 1 year of service.
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CitationConley, J. and Jamison, R., "Army Experience with Silicone Brake Fluids," SAE Technical Paper 780660, 1978, https://doi.org/10.4271/780660.
- Federal Specification VV-B-680, Brake Fluid, Automotive, July 20, 1972.
- Military Specification MIL-H-13910, Hydraulic Fluid, Polar Type, Automotive, All-Weather.
- Military Specification MIL-P-46046, Preservative Fluid, Automotive Brake System and Components.
- Jordan C. B., “Effect of Water on Hydraulic Brake Fluid,” CCL Report No. 198, May 1966.
- Jakubczak E. R. and Hollbrook G. W., “Silicone Brake Fluids, A Non-Conventional Solution to a Conventional Problem,” Dow-Corning Corporation. Presented at the Chemical Specialties Manufacturer Association, December 1973.
- Conley J. H., Jamison R., and Jordan C. B., “Silicone Brake Fluids: One Year Field Test,” MERADCOM Report No. 2132, February 1975.
- Conley J. H., Jamison R., and Jordan C. B., Silicone Brake Fluids: Two Year Field Test,” MERADCOM Report No. 2164, January 1976.