Affordable Thermomechanical Fatigue Testing under Turbine Airfoil Conditions in the Hyperbaric Advanced Development Environmental Simulator (HADES)

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA8650-09-C-2912
Agency Tracking Number: F073-051-0309
Amount: $722,319.00
Phase: Phase II
Program: SBIR
Awards Year: 2009
Solicitation Year: 2007
Solicitation Topic Code: AF073-051
Solicitation Number: 2007.3
Small Business Information
1701 Military Trail, Suite 110, Jupiter, FL, 33458
DUNS: 048159342
HUBZone Owned: N
Woman Owned: Y
Socially and Economically Disadvantaged: N
Principal Investigator
 Daniel Davies
 Program Manager
 (561) 427-6340
Business Contact
 Lloyd Mazer
Title: Contracts Manager
Phone: (561) 427-6337
Research Institution
Emerging missions such as deep strike as supported through the VAATE program are being designed to operate at high overall pressure ratios, high turbine temperatures, and for extended periods of time.  A low-cost test facility that can reproduce those conditions is required to test the combustor and turbine materials and thermal/environmental barrier coatings that will be needed to satisfy operating parameters.  The test rig developed and demonstrated in this effort, will be capable of simultaneously thermally and mechanically loading the test articles to simulate actual engine conditions with heat flux values of 1.5 million BTU/hr/ft2 without film cooling.  The expectation is that the HADES rig TMF results will be different from conventional TMF tests because of the differences in strain gradients produced by both test methods. This test system will be an affordable alternative to engine testing or other materials testing approaches.  The degradation processes which could be studied with this rig include erosion, coating spallation, thermal mechanical fatigue, crack initiation, small cooling features, low cycle fatigue, hold-time effects, or the interaction of failure mechanisms on coatings and base alloys. BENEFIT: With the extremely high cost of developing a new engine concept, especially when operating conditions will exceed all current experience, low cost test rigs are the prudent way to screen and characterize materials and design concepts (i.e. advanced cooling schemes) prior to committing to actual engine hardware and full engine testing.  This service will benefit not only original equipment manufacturers of gas turbine engines, but also DoD and NASA agencies, thermal and environmental barrier coating manufacturers, space and rocket engine manufacturers and developers, manufacturers of advanced and engineered materials, and those developing innovative designs with known materials.

* Information listed above is at the time of submission. *

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