The Critical Role of Advanced Microstructural Characterization in Understanding and Modeling Materials Performance in Challenging Environments

Materials used in power generation systems can limit the operational service “life” of a component due to the environment. With the increasing need for low carbon energy, there has been great interest in nuclear power systems, both in terms of existing light water reactors as well as in Generation IV advanced reactor systems. By understanding the degradation phenomena, it is then possible to optimize the material via processing, and develop predictive models, thereby improving safety, reliability and efficiency. This presentation will focus on how the utilization of these techniques to understand material performance in challenging environments has improved our understanding and has provided important fundamental data that support model development.