Innovative Approaches to Develop Foreign-Object-Damage (FOD) Tolerant Coatings for Ceramic Matrix Composites (CMCs)

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N68335-09-C-0487
Agency Tracking Number: N092-115-0117
Amount: $79,956.00
Phase: Phase I
Program: SBIR
Awards Year: 2009
Solicitation Year: 2009
Solicitation Topic Code: N092-115
Solicitation Number: 2009.2
Small Business Information
UES, Inc.
4401 Dayton-Xenia Road, Dayton, OH, 45432
DUNS: 074689217
HUBZone Owned: N
Woman Owned: Y
Socially and Economically Disadvantaged: N
Principal Investigator
 HeeDong Lee
 Research Scientist
 (937) 426-6900
Business Contact
 Bryce Skinn
Title: Business Relations Manage
Phone: (937) 426-6900
Research Institution
CMCs are currently being considered and used for aeroengine airfoil applications with a goal of increased specific power. Of a particular concern of CMCs regarding of life-limiting degradations is impact damage by small foreign objects. Fracture toughness and hardness have been the dominant material properties for determining the foreign objective damage (FOD). A material with both high hardness and high fracture toughness would be expected to have better FOD tolerance. Ceramics are promising for impact resistant coating (IRC) to alleviate the FOD due to their high hardness and high fracture strength. However, their fracture toughnesses are not sufficiently high to fully utilize such useful properties. Such problems can be solved by applying the UES composite coating technology. The composite coatings are remarkably tough, strong, hard, and readily coated, and that seems to meet the needed material properties. The goal of the Phase I program will be both demonstration of technical feasibility and development of tough, strong, and hard coating on commercial SiCf-SiC composites, in order for alleviating the FOD. Subsequently, muti-functional all-in-one coating system that can realize both FOD tolerance and oxidation resistance, will be developed during the Phase II program.

* information listed above is at the time of submission.

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