MAINTAiN - Multi-scAle INTegrity assessment for Advanced high-temperature Nuclear systems

Lead Research Organisation: University of Oxford


Abstracts are not currently available in GtR for all funded research. This is normally because the abstract was not required at the time of proposal submission, but may be because it included sensitive information such as personal details.


10 25 50
publication icon
Liu F (2020) A new method to model dislocation self-climb dominated by core diffusion in Journal of the Mechanics and Physics of Solids

publication icon
Liu F (2020) An improved method to model dislocation self-climb in Modelling and Simulation in Materials Science and Engineering

publication icon
Liu F (2023) Dislocation climb driven by lattice diffusion and core diffusion in Journal of the Mechanics and Physics of Solids

publication icon
Liu FX (2021) Dislocation dynamics modelling of the creep behaviour of particle-strengthened materials. in Proceedings. Mathematical, physical, and engineering sciences

Description A new method to model dislocation self climb has been developed and implemented into 3D discrete dislocation dynamics code to allow simulation of creep and dislocation precipitate interactions.
Exploitation Route The methods and code developed are available online for anyone to use and could be used to simulate a range of problems.
Sectors Energy

Description Senior Research Fellowship
Amount £760,000 (GBP)
Organisation Royal Academy of Engineering 
Sector Charity/Non Profit
Country United Kingdom
Start 03/2022 
End 02/2027
Title 3D Discrete Dislocation Plasticity Code 
Description Finite domain discrete dislocation plasticity code to allow easier simulations of micro mechanical tests such as nano-indentation, microcatilever beam bending and pillar compression. Written mainly in Matlab and based on original DDLab from Lawrence Livermore National lab. 
Type Of Material Computer model/algorithm 
Year Produced 2021 
Provided To Others? Yes  
Impact Code provided new insights into the relationship between dislocation structure evolution and mechanical properties. Several papers have resulted from the development and use of this code.