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A materials selector expert system for advanced ceramics is being designed to assist users in identifying candidate materials for gas-fueled heat exchangers and other applications which may involve processing parameters, environmental conditions, and physical constraints. The selection process will require an appropriate and relevant knowledge base of materials properties as well as applicable rules and heuristics. The NIST Structural Ceramics Database (SCD) provides the cornerstone for the materials selector expert system and supplies critical microstructural and property measurement data. The anticipated evolution of the SCD to a knowledge-based system is discussed with an emphasis on relevant development issues.
advanced ceramics, artificial intelligence, expert systems, heat exchanger, material selector
Computer Scientist, National Institute of Standards and Technology, Gaithersburg, MD
Physicist, National Institute of Standards and Technology, Gaithersburg, MD