New Approaches to Understanding Hydrogen Embrittlement of Steels

Find Similar History 12 Claim Ownership Request Data Change Add Favourite

Title
New Approaches to Understanding Hydrogen Embrittlement of Steels

CoPED ID
421afdb9-2270-41eb-9aae-1e925229bd68

Status
Active


Value
No funds listed.

Start Date
Jan. 9, 2023

End Date
Jan. 8, 2027

Description

More Like This


The anticipated major expansion in hydrogen production, transportation and utilisation calls for massive investments in infrastructure. One of the biggest challenges of the hydrogen economy is storage and transport. Current hydrogen storage technology involves either physical storage systems such as pressurised canisters (typically made from steel, which may be embrittled by the cryogenic temperatures and hydrogen exposures- or the synergistic effects of both) or materials such as hydrides which can store hydrogen in a reacted form, that will then need to be extracted. Hydrogen embrittlement in steel at cryogenic temperatures is poorly understood - and lack of mechanistic insights means that material selection or bespoke alloy development remains challenging. Steels that are resistant to embrittlement at room temperature are certainly available but tend to be expensive, and their behaviour under cryogenic temperatures has not been well-explored. Improved fundamental understanding of the processes of hydrogen dissolution in the metal, and the role of microstructural features that act as hydrogen trap sites, will assist in screening steels for hydrogen service. This iCASE project will therefore focus on the experimental investigation of hydrogen dissolution, diffusion and distribution in different steels - with the steels studied and characterized under cryo-conditions. Using new experimental facilities at Imperial, we have a chance to create a step-change in understanding of the properties. The experimental work will be supported by numerical modelling, leading to a workflow for characterising candidate steels for hydrogen service.

Stella Pedrazzini SUPER_PER

Subjects by relevance
  1. Hydrogen
  2. Steel
  3. Warehousing

Extracted key phrases
  1. Current hydrogen storage technology
  2. New experimental facility
  3. New approach
  4. Hydrogen embrittlement
  5. Hydrogen dissolution
  6. Hydrogen production
  7. Hydrogen trap site
  8. Hydrogen economy
  9. Hydrogen service
  10. Hydrogen exposures-
  11. Anticipated major expansion
  12. Different steel
  13. Cryogenic temperature
  14. Candidate steel
  15. Physical storage system

Related Pages

UKRI project entry

UK Project Locations