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S12: Materials for Extreme Environments: Ultrahigh Temperature Ceramics (UHTCs) and Nanolaminated Ternary Carbides and Nitrides (MAX Phases)


ICACC'12

Preliminary Program – Symposium 12


Ultrahigh temperature ceramics and nanolaminated ternary carbides and nitrides (MAX phases) are potential materials for use in extreme environments such as hot turbine engine components, leading edges and thermal protection systems for hypersonic vehicles, and cladding materials in generation IV nuclear reactors. However, their thermal/chemical stability at high temperatures, the ability to be formed into complex shapes/sharp edges, thermal shock resistance, irradiation resistance, and damage tolerance are all critical issues limiting the near-term applications of these materials. Consequently, further research is needed to understand the multi-scale structure-property relationships of existing systems; design new compositions/composites; investigate new approaches for improving the thermal shock resistance, thermochemical stability, damage tolerance and machinability; and develop novel processing methods for bulk ceramics and coatings. This symposium will focus on design, processing, structure-property relationships, thermal and mechanical properties, oxidation resistance, machining and joining, and stability of UHTCs and MAX phases both from fundamental and application-oriented perspectives.


Proposed Session Topics

  • Fundamental understanding of the structure-property relationships for UHTCs and MAX phases
  • Design of MAX phase and UHTCs compositions/composites with fascinating properties
  • Novel processing methods for UHTCs and MAX phases (bulk, coatings and thin films)
  • Novel characterization methods to investigate the behavior of UHTCs and MAX phases
  • Methods for improving damage tolerance, oxidation and thermal shock resistance
  • New methods for joining and machining of components
  • Structural stability under extreme environments (irradiation, ultrahigh temperature, etc.)


Symposium Organizers

  • Yanchun Zhou, Aerospace Research Institute of Materials & Processing Technology, China
  • Erica L. Corral, Univ. of Arizona, USA
  • Joyce Deaver, NASA Glenn Research Center, USA
  • Per Eklund, Link√∂ping Univ., Sweden
  • William G. Fahrenholtz, Missouri Univ. of Science and Technology, USA
  • Frederic Monteverde, Institute of Science and Technology of Ceramics-CNR, Italy
  • Miladin Radovic, Texas A&M Univ., USA
  • Jochen Schneider, Materials Chemistry, RWTH Aachen, Germany
  • Luc J. Vandeperre, Imperial College London, UK
  • Guo-Jun Zhang, Shanghai Institute of Ceramics, Chinese Academy of Sciences, China


Points of Contact
Yanchun Zhou, Phone: +86 (10) 6838-2478



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