Advanced Multifunctional Lightweight Aerostructures: Design, Development, and Implementation
4. Characterization of Ultra-High Temperature and Polymorphic Ceramics
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Material properties are highly dependent on the hierarchy of length and temporal scales experienced by the structure, where atomic levels can influence characterized structures through certain features pertaining to atomic species, their orientations and crystal types. Analyzing such features with the underlying atomic group symmetry is necessary to characterize hierarchical properties that are influenced from external stimuli, load rates, and sample sizes. In hierarchical multiscale models, one can obtain certain properties at larger scales by analyzing a smaller scale for material properties and/or mechanics and bridge such properties to the higher scale in a sequential fashion . It depends on...