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H4: Materials for extreme environments: Ultrahigh-temperature ceramics and nano-laminated ternary carbides and nitrides (MAX phases)

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Ultrahigh-temperature ceramics and nano-laminated ternary carbides and nitrides (MAX phases) are potential materials for extreme environments that are beyond the capabilities of current structural ceramic materials. These ceramics could enable revolutionary improvements in energy efficiency of advanced nuclear reactors, concentrated solar power, and industrial heating. However, their thermal and chemical stability in extreme environments, ability to be formed into complex shapes, thermal shock resistance, irradiation resistance, and damage tolerance are critical challenges limiting near-term industrial applications of these materials. For such extreme environment applications, new advances in the understanding of structure–property relations and improved performance are needed. These will require development of new approaches for improving thermal shock resistance, thermochemical stability, damage tolerance, and machinability as well as discovery of new materials to ensure an enormous leap forward in performance. This symposium will focus on design, processing, structure–property relationships, thermal and mechanical properties, oxidation resistance, machining and joining, and stability of ultrahigh-temperature ceramics and MAX phases both from fundamental and application-oriented perspectives.

 

Proposed session topics:

 

• New precursors for powders, coatings, matrices, and fibers of ultrahigh-temperature ceramics

• Structure–property relationships of existing systems

• Materials design of new compositions and composites

• Novel processing methods, including bulk, coatings, and thin films

• Novel characterization methods and lifetime assessment

• Methods for improving damage tolerance, oxidation, and thermal shock resistance

• Structural stability under extreme environments, including irradiation and ultrahigh temperatures

 

Organizers:

 

Yanchun Zhou, or gmail, Aerospace Research Institute of Material and Processing Technology, China

– Jon Binner, University of Birmingham, UK

– Erica L. Corral, University of Arizona, USA

– Sea-Hoon Lee, Korea Institute of Materials Science, Korea

– Per Eklund, Linköping University, Sweden

– William G. Fahrenholtz, Missouri University of Science and Technology, USA

– Greg Hilmas, Missouri University of Science and Technology, USA

– Peter McBreen, Laval University, Canada

– Frederic Monteverde, Institute of Science and Technology for Ceramic Materials, National Research Institute, Italy

– Miladin Radovic, Texas A&M University, USA

– Jochen Schneider, Rhine-Westphalia Institute of Technology Aachen, Germany

– Luc J. Vandeperre, Imperial College London, UK

– Guo-Jun Zhang, Shanghai Institute of Ceramics, Chinese Academy of Sciences, China

 

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