Investigation and characterisation of material degradation mechanisms across extremely hot corrosion interfaces in molten salt.

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Title
Investigation and characterisation of material degradation mechanisms across extremely hot corrosion interfaces in molten salt.
CoPED ID
3cf01ca0-efab-44e4-b1db-464073d38585
Status
Active
Funders
EPSRC
EPSRC
Value
No funds listed.
Start Date
Sept. 30, 2019
End Date
April 29, 2023
Description

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This project aims to investigate the corrosion degradation mechanisms of conventional corrosion resistant alloy (CRA) and Cr-alloyed steel materials used with in molten salts (Salt melts. CRAs used in these applications are exposed to salts at melting points (~200-250 degrees C) and below boiling points (~600-1000 degrees C) temperatures. The objective of this project is to develop an understanding of corrosion mechanisms at salt-metal interface and how these mechanisms are interlinked in their evolution and correlated to changes in alloy properties and integrity of passive layers in these environments over their design life.

Molten salts is currently being used as heat transfer and energy storage medium in Concentrated Solar Power (CSP) plants and as coolants in Generation IV Molten Salts Nuclear Reactors (MSR). In these applications most metals are exposed to highly ionic salt melts at extremely high temperatures. Improve understanding and characterisation of the corrosion degradation mechanism in CSP and MSR systems will help towards mitigating corrosion in these systems through development of new generation of materials, coatings and chemical solutions.

Frederick Pessu SUPER_PER
Harry Bullock STUDENT_PER

Subjects by relevance
  1. Alloys
  2. Corrosion resistance
  3. Heat transfer
  4. Corrosion
  5. Melting
  6. Metals
  7. High temperature research
  8. Materials testing
  9. Ionic liquids
  10. Salts
  11. Mechanics
  12. Inorganic chemistry
  13. Boiling point
  14. Corrosion prevention

Extracted key phrases
  1. Corrosion degradation mechanism
  2. Material degradation mechanism
  3. Corrosion mechanism
  4. Conventional corrosion resistant alloy
  5. Hot corrosion interface
  6. Molten salt
  7. Ionic salt melt
  8. Investigation
  9. Steel material
  10. Metal interface
  11. Generation IV Molten Salts Nuclear Reactors
  12. Alloy property
  13. Characterisation
  14. MSR system
  15. High temperature

Related Pages

UKRI project entry

UK Project Locations