Study of Hydraulic System Component Storage with a Rust Inhibited Barium Free Development Hydraulic Fluid Candidate

METSS Corporation, under a Small Business Innovation Research program (F33615-96-C-5074) with AFRL/MLBT, developed a hydraulic fluid candidate known as METTS HyTherm CI-2. This fluid is intended to be rust inhibited, barium free, thermally stable and fire resistant hydraulic fluid suitable for aircr...

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Bibliographic Details
Main Authors: Gschwender, Lois J, Campo, Angie, Snyder, Carl E, Sharma, Shashi K, Jenney, Tim, Fultz, George
Format: Report
Language:English
Subjects:
ALUMINUM ALLOYS
BARIUM
BEARINGS
CHROMATES
CORROSION INHIBITION
Hydraulic and Pneumatic Equipment
HYDRAULIC EQUIPMENT
HYDRAULIC FLUIDS
HYDRAULIC SYSTEM COMPONENTS
MILITARY AIRCRAFT
NON-CHROMATE SYSTEMS
PE65502F
PISTONS
PUMPS
RUST(OXIDATION)
STORAGE
WUAFRL300505D6
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Summary:METSS Corporation, under a Small Business Innovation Research program (F33615-96-C-5074) with AFRL/MLBT, developed a hydraulic fluid candidate known as METTS HyTherm CI-2. This fluid is intended to be rust inhibited, barium free, thermally stable and fire resistant hydraulic fluid suitable for aircraft use. METSS HyTherm CI-2 would eliminate the need for a separate storage fluid for components. The currently used storage fluid is classified as hazardous waste due to the barium additives. The METTS HyTherm CI-2 fluid was contaminated with distilled water and stored in jars containing bearings and pistons in a controlled environment. Each jar was inspected once a year for three years. At the end of the storage period, the METTS HyTherm CI-2 fluid was endurance pump tested. The METSS HyTherm CI-2 fluid excelled in all storage tests as well as the pump endurance test. There was no corrosion present after three years of storage, and pump performance was comparable with the pump performance with fluid MIL-PRF-83282 used in an earlier study. Prepared in collaboration with University of Dayton Research Institute and with METSS Corporation. The original document contains color images. All DTIC reproductions will be in black and white.