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Improved Additives for Perfluoropolyalkylether (PFPAE) Lubricants with Silicon…

Award Information

Department of Defense
Air Force
Award ID:
Program Year/Program:
2007 / SBIR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
METSS Corporation
300 Westdale Avenue Westerville, OH -
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 2
Fiscal Year: 2007
Title: Improved Additives for Perfluoropolyalkylether (PFPAE) Lubricants with Silicon Nitride Rolling Elements
Agency / Branch: DOD / USAF
Contract: FA8650-07-C-5003
Award Amount: $748,878.00


Hybrid bearings utilizing silicon nitride rolling elements in conjunction with steel inner and outer bearing races are being developed for use in gas turbine engines. Due to their outstanding thermal and oxidative stability, perfluoropolyalkylether (PFPAE) fluids are of interest as potential high temperature liquid lubricants in these systems. However, this same unique chemistry that provides their higher stabilities also creates some potential problems. One of these is the lack of compatibility with silicon nitride rolling elements. Under the Phase I program, METSS investigated a series of promising, new, soluble additives for PFPAE fluids that demonstrated significant improvement in compatibility with silicon nitride bearing materials under tribological stress conditions and high temperature exposures. Under the proposed Phase II program. METSS will build upon the knowledge gained from the Phase I program to develop a new improved class of PFPAE lubricants optimized for compatibility with hybrid bearing materials. The proposed program will also address additional issues related to material compatibility issues, personnel safety, environmental impact and use costs. The Phase II efforts will clearly define and support a viable path for technology commercialization and field implementation.

Principal Investigator:

Richard S. Sapienza
Senior Scientist

Business Contact:

Kenneth J. Heater
Small Business Information at Submission:

300 Westdale Avenue Westerville, OH 43082

EIN/Tax ID: 311461458
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No