A Microstructure-Informed Multiscale Structural Analysis and Design Framework for Next Generation High Performance Material Systems and Structural Components

The proposed SBIR Phase IIE project is the extension of an ongoing SBIR Phase II award. The objective of the Phase II award was to develop a multiscale structural analysis modeling framework for additive manufactured metals and alloys accounting for the influence of their rich microstructure. An extensive experimental investigation to support the model development was also part of that project. However, the scope of that project was limited to room temperature conditions. In the proposed Phase IIE effort we will extend the modeling framework with high temperature analysis capabilities that will lay the foundation for advancing the model to high temperature applications. Specifically, we will consider one material system (Ti-6-4, Inconel 718, or GRX-810) for a critical aerospace application identified with the help of NASA and Pratt and Whitney for this study. We will perform microstructural characterization of materials exposed to a set of thermal conditions to study the thermal stability of the microstructure. The insight gained from the experiments will guide the extension of the modeling framework for high temperature applications

By advancing the basic framework from room temperature to high temperature applications the model will be ready for many real NASA applications. The model will be predict the structural performance of 3D printed metal and alloy components of engine blades or discs, or any other load bearing components accounting for the real operational conditions.

The predictive model will be useful for many aerospace companies. Additionally, the model will be useful for many non-aerospace applications that involve the structural analysis of load-bearing parts and components operating at high temperature. Some of the industries that would benefit include automotive, turbine, and metal/alloy manufacturing.

This is early/mid-stage (TRL 4) — the most realistic path in is NASA SBIR/STTR, which funds small businesses and research institutions to develop technology aligned with NASA's needs (equity-free, phased funding). Check whether a current SBIR/STTR solicitation topic overlaps with this project's technology area, or contact the project directly (above) to ask.

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