rootbrowseIAC-05C2session 33. New Materials and Structural ConceptsPapers1. Fracture Behavior of Ceramic Materials under Multi-axial Stress2. Oxidation Resistance of HfB2-SiC Coatings for Protection of Carbon Fibers Based Composites3. Si/SiC Ceramic Composite for Space Optical Mirror5. PRORA-USV SHS: Development of Sharp Hot Structures Based on Ultra High Temperature Metal Diborides 6. Materials and Design Optimization for Thermal Protection System (TPS)7. Weight Optimization of Honeycomb Structures 8. Cryogenic thermal insulation based on PUF for tanks of expendable and future reusable launch vehicles9. Fatigue, hardness and oxidation properties of single crystal, Nickel-base superalloys CMSX-4 and PWA1484 in air and vacuum at 650 degrees centigrade.11. Structural Sizing of a Lunar Mission Module