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S12: Advanced MAX/mxene phases and UHTC materials for extreme and high temperature environment

 

Track A: Nano-laminated ternary carbides and nitrides (MAX Phases) and 2-D phases (MXenes)
MAX phases (over 70 phases) are thermodynamically stable nanolaminates displaying unusual, and sometimes unique, properties. These phases possess a Mn+1AXn chemistry, where n is 1, 2, or 3, M is an early transition metal element, A is an A-group element and X is C or N. MAX phases are hexagonal materials with an inherent nanolayered structure which provides a unique combination of metal-like and ceramic-like properties: machinability, good electrical and thermal conductivity, high thermal shock resistance, good oxidation  resistance, stiffness at high temperature which opens a way to diverse  potential applications. Recently, it was shown that it is possible to separate each layer of nanolaminates and form 2-D solids, MXenes (attractive electronic, optical, magnetic, plasmonic and thermoelectric properties have also been observed in these 2-D solids). The Track A will focus on designing, processing, structure-property relationships, thermal, electrical, optoelectronic, solid lubrication, and mechanical properties, oxidation resistance, and stability of these novel ternary compounds in their 2-D and 3-D forms.

 

Track B: Ultrahigh temperature ceramics (UHTCs)
Ultrahigh temperature ceramics (UHTCs) are potential materials for use in extreme environments such as scramjet engine components, leading edges and thermal protection systems for hypersonic vehicles etc. 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 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. Track B will focus on design, processing, structure-property relationships, thermal and mechanical properties, oxidation resistance, machining and joining, and stability of UHTCs both from fundamental and application-oriented perspectives.

 

Proposed session topics

Track A

  • Design of novel composites and manufacturing methods
  • Methods for improving damage tolerance, oxidation and thermal shock resistance
  • Novel applications and device fabrication (capacitors, energy storage, biosensors, etc.) of MAX Phases and MXenes
  • Study of electronic, optical, plasmonic, and thermoelectric properties
  • Theoretical calculations for designing MAX Phases and MXenes

 

Track B

  • New precursors for powders, coatings, and matrix or fibers of composites
  • Processing–microstructure–property relationships of existing systems
  • Novel processing methods (bulk, coatings, and thin films), characterization methods and lifetime assessment
  • Methods for improving damage tolerance, oxidation, and thermal shock resistance
  • Structural stability under extreme environments (irradiation, ultrahigh temperature)
  • Simulation and theory for predictive material behavior under extreme environments

 

Symposium organizers

  • Surojit Gupta, UND, USA; surojit.gupta@engr.und.edu
  • William G. Fahrenholtz, Missouri S&T, USA; billf@mst.edu
  • Miladin Radovic, Texas A&M University, USA; mradovic@tamu.edu
  • Johanna Rosen, Linköping University, Sweden
  • Thierry Cabioch, Université de Poitiers, France
  • Qing Huang, Ningbo Institute of Materials Technology & Engineering, China
  • Michael Naguib, ORNL, USA
  • Babak Anasori, Drexel University, USA
  • Jochen Schneider, RWTH Aachen, Germany
  • Sylvain Dubois , Université de Poitiers, France
  • Per Eklund, Linköping University, Sweden
  • Konstantza Lambrinou, SCK· CEN, Belgium
  • Yanchun Zhou, Aerospace Research Institute of Material & Processing Technology, China
  • Michael Walock, ARL, USA
  • Elizabeth Opila, University of Virginia, USA
  • Jon Binner, University of Birmingham, UK
  • Erica L. Corral, University of Arizona, USA
  • Greg Hilmas, Missouri S&T, USA
  • Sea-Hoon Lee, KIMS, Korea
  • Frederic. Monteverde, ISTEC-CNR, Italy
  • Luc J Vandeperre, Imperial College, UK
  • Guo-Jun Zhang, Donghua University, Shanghai, China

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