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PROJECT

CMC Multiscale

CMC Multiscale

Researchers from GE Research’s Mechanics, Materials Behavior and Characterization groups are teaming up to advance the state of the art in multiscale durability models for ceramic matrix composites (CMCs). CMCs combine the heat resistance and low mass density of ceramics with the damage tolerance of metals. They are a vital enabler of next-generation aviation engines, including CFM LEAP, GE9X, and future military engines, and have applications in stationary gas turbines and other high-temperature machines.

 

CMC simulation

 

GE Research’s multiscale methods link information about material microstructure to component-scale  durability models in a fully coupled scheme. These methods offer improved generality and may be able to significantly reduce the time and expense of material testing. Our researchers collected 3D images of a CMC undergoing controlled fracture at the submicron scale using a synchrotron beamline, and developed ways to use the data in multiscale models.

This research was sponsored by the Air Force Research Laboratory and has involved contributions from the staff at the Advanced Light Source, Lawrence Berkeley National Laboratory, the University of Michigan, and NASA Glenn Research Center.

Project Impact

Our computational mechanics specialists have developed software to generate models more efficiently and with less specialist knowledge required, and solver technology that exploits massively parallel high-performance computing. The new methods will enable engineers at GE businesses and elsewhere to generate more efficient and capable CMC designs at the speeds demanded by real-world engineering practice.

Acknowledgment/Disclaimer: This research was sponsored by the Air Force Research Laboratory and has involved contributions from the staff at the Advanced Light Source, Lawrence Berkeley National Laboratory, the University of Michigan, and NASA Glenn Research Center.
  • Our Expertise

    Capabilities utilized for CMC Multiscale project

  • Durability

    Enhancing the environmental and component durability of our products to extend operating life in the harshest industrial environments

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  • Materials Characterization

    Inspecting a material's chemical, microstructure and physical properties to provide quality, market-ready products to meet consumer demands

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  • Materials & Process Modeling

    Combining the power of physics and data driven models to accelerate the discovery, development and servicing of material solutions and processes

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