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S9: Materials for Extreme Environments: Ultrahigh Temperature Ceramics (UHTCs) and Nanolaminated Ternary Carbides and Nitrides (MAX Phases)



Ultrahigh temperature ceramics (UHTCs) and nanolaminated ternary carbides and nitrides (MAX phases) are potential materials for use in extreme environments such as scramjet engine components, leading edges and thermal protection systems for hypersonic vehicles, and cladding materials in generation IV nuclear reactors. However, their thermal/chemical stability in extreme environments, 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 Symposium 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 for 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 Material & Processing Technology, China
Jon Binner, Loughborough University, UK
Erica L. Corral, The University of Arizona, USA
Per Eklund, Linköping University, Sweden
William G. Fahrenholtz, Missouri University of Science and Technology, USA
Frederic Monteverde, Institute of Science and Technology of Ceramics-CNR, Italy
Miladin Radovic, Texas A&M University, 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, +86(01) 6838-2478


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