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Physics-Based Modeling Tools for Life Prediction and Durability Assessment of Advanced Materials

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: NNX15CC33C
Agency Tracking Number: 140070
Amount: $749,970.00
Phase: Phase II
Program: STTR
Solicitation Topic Code: T12.02
Solicitation Number: N/A
Timeline
Solicitation Year: 2014
Award Year: 2015
Award Start Date (Proposal Award Date): 2015-06-11
Award End Date (Contract End Date): 2018-03-31
Small Business Information
300 West Main Street, Suite 301, CHARLOTTESVILLE, VA, 22903-5575
DUNS: 028211527
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 William Goodrum
 Dir. of Software Architecture
 (434) 973-7673
 william.goodrum@elderresearch.com
Business Contact
 Jeffrey Deal
Title: Business Official
Phone: (434) 973-7673
Email: deal@datamininglab.com
Research Institution
 Southwest Research Institute
 Heather Bates
 6220 Culebra Road
San Antonio, TX, 78238-5166
 (210) 522-6572
 Nonprofit college or university
Abstract
The technical objectives of this program are: (1) to develop a set of physics-based modeling tools to predict the initiation of hot corrosion and to address pit and fatigue crack formation in Ni-based alloys subjected to corrosive environments, (2) to implement this set of physics-based modeling tools into the DARWIN probabilistic life-prediction code, and (3) to demonstrate corrosion fatigue crack initiation and growth life prediction for turbine disks subjected to low-cycle and high-cycle fatigue loading in extreme environments. This technology will significantly improve the current ability to simulate and avoid corrosion fatigue failure of engine disks or metallic structural components due to prolonged exposure to extreme environments at elevated temperatures. Completion of the proposed program will provide probabilistic corrosion fatigue crack growth life assessment software tools for structural components subjected to aggressive hot corrosion environments. Such a suite of software tools is unique and is urgently needed for designing and improving the performance of critical structures used in the space structure and propulsion systems in commercial and military gas turbine engines, and oil and gas industries. This generic technology can also be used to provide guidance for developing new alloys or improving current Ni-based alloy designs for hot-section applications.

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

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