Development and qualification of structural materials for DEMO and beyond

  • Ferritic/martensitic steels
  • Advanced and ODS steels
  • Ceramics, ceramic composites, and other low-Z materials
  • Tungsten, refractory alloys, and other high-Z materials
  • Novel highly radiation-resistant alloys

Materials for high heat flux and plasma facing materials: divertor, limiter, first wall

  • Plasma-facing materials
  • High heat-flux materials: heat-sink and structural application
  • Materials for Limiters
  • Liquid metal divertors: material issues

Development and characterization of functional materials for tritium breeding, coatings, barriers, diagnostics, windows, superconductive coils

  • Breeding and neutron multiplier materials
  • Coatings
  • Barriers, insulating materials and flow-channel inserts
  • Plasma-diagnostic system materials
  • First mirrors and auxiliary systems
  • Magnet materials

Fusion-specific applications of materials, including environmental effects

  • Tritium and deuterium: retention, accumulation, diffusion and release, including effects of irradiation
  • Concomitant hydrogen and helium embrittlement
  • Liquid metal embrittlement
  • Irradiation and coolant accelerated crack extension
  • Chemical compatibility: oxidation, corrosion, and environmental effects

Materials engineering and application including joining of materials

  • Fabrication and materials engineering
  • Joining of similar and dissimilar materials: process optimization, properties and development of characterization methods
  • TBM: material issues and technologies
  • ITER material technologies open issues

Qualification of irradiation effects in neutron sources, accelerators, multi-ion beams and other tests systems

  • Intense fusion neutron sources for materials validation (DONES and IFMIF-like)
  • Approaches to best estimate irradiated materials engineering data combining databases and modelling ITER-TBM as irradiation test bed and model verification
  • Other neutron irradiation devices and test facilities

Materials-design interface codes, standards and standardization of test technologies

  • Materials database development and material property handbooks
  • Advanced design methodologies and design criteria for future fusion facilities
  • Damage accumulation, interaction and critical failure modes
  • Development of test technologies towards standardization and norms including SSTT
  • Safety criteria and requirements

Modeling, theory, and fundamental studies of radiation effects, including advanced characterization methods

  • Multi-scale approaches and of designing radiation resistant materials
  • Defect production and microstructural evolution
  • Fundamental helium, hydrogen, and tritium effects
  • Modelling and prediction of material property changes in fusion environment
  • Advanced microscopy and characterization methods

Cross cutting issues and synergism with other materials applications in other large-scale projects or highly loaded systems

  • Cross-cutting materials issues for fusion and fission nuclear power systems
  • Synergies with material development in other energy research communities  
  • Education and training