The validity of the use of a finite ribbon segment (finite element mesh) to represent the properties of a semi-infinite ribbon (web crystal), particularly as the ribbon width becomes a large fraction of the mesh length, was examined in detail. Areas where the buckling model might be improved are suggested. Experimentally, the area throughput goals for transient growth of 30 and 35 cm2/min were met and exceeded. A dynamic growth configuration demonstrated a 42% improvement in growth velocity over the equivalent static configuration.
DOE contract number: NAS-7-100-955843 OSTI Identifier 5570689 Research organization: Westinghouse Research and Development Center, Pittsburgh, PA (USA).