Non-Line-of-Sight Coating Of Turbine Airfoils

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$749,507.00
Award Year:
2008
Program:
SBIR
Phase:
Phase II
Contract:
N68335-08-C-0322
Agency Tracking Number:
N071-006-0487
Solicitation Year:
2007
Solicitation Topic Code:
N07-006
Solicitation Number:
2007.1
Small Business Information
DIRECTED VAPOR TECHNOLOGIES INTERNATIONA
2 Boar's Head Lane, Charlottesville, VA, 22903
Hubzone Owned:
N
Socially and Economically Disadvantaged:
N
Woman Owned:
N
Duns:
036500804
Principal Investigator:
Derek Hass
Director, Research and De
(434) 977-1405
derekh@directedvapor.com
Business Contact:
Harry Burns
President and CEO
(434) 977-1405
harryburns@directedvapor.com
Research Institution:
n/a
Abstract
Advanced thermal barrier coating (TBC) systems are desired for naval gas turbine engines. These coatings will increase the durability of hot-section engine components to significantly improve the time “on-wing”, safety and readiness of these engines. Currently, TBC top coats are applied onto gas turbine engine components primarily using an electron beam physical vapor deposition (EB-PVD) process. This approach is an effective means for applying high quality TBC coatings, however, a key drawback of the process it that it can only effectively coat surfaces that are in the line-of-sight of the component surface. The advent of advanced engine designs containing complex components with many hidden and partially hidden surfaces have resulted in a growing need for TBC deposition techniques which can effectively deposit high quality coatings onto the non line-of-sight regions of these components. The objective of this work is to explore the use of a novel physical vapor deposition coating technique that increases the growth rate of TBC coatings in non light-of-sight (NLOS) regions over that found in the EB-PVD technique and also results in the required coating microstructure.

* information listed above is at the time of submission.

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