TECHNICAL DATA ANALYSIS, INC. — Department of Defense SBIR Phase II: N121-099

Description

TDA proposes to continue their work on both corrosion sensor development and predictive modeling of corrosion damage with the vision of integrating sensor and modelling for adaptive prognosis of corrosion damage initiation in a unified framework. TDA focuses its research to understand the crack initiation from different electrochemical conditions and corrosion-deformation interaction effects in order to develop sensor-informed analysis components in a life prediction framework called UniCorr. TDA initially targets predicting damage and remaining useful life in CF and SCC in Navy aircraft within a crack initiation approach.The analysis components, which consists of both continuum and microstructural models, for specific material-environment systems and loading conditions (static and fatigue), will be validated using critical laboratory tests and Navy service data. The sensors will use a novel combination of corroborative technologies to measure onset of crack nucleation. In the initial stages, the development on analysis components and sensors will proceed in an uncoupled manner, and will be fused in later stages after extensive verification and validation from laboratory and field tests and performance.