Professor James Marrow

University of Oxford


Professor James Marrow is the James Martin Chair in Energy Materials. He is the chair of the OECD/NEA (Organisation for Economic Co-operation and Development/Nuclear Energy Agency) EGISM (Expert Group on Innovative Structural Materials), which has the objective of conducting joint and comparative international studies to support the development, selection and characterisation of innovative structural materials that can be implemented in advanced nuclear fuel cycles. He is the UKERC (EPSRC UK Energy Research Centre) representative in the European Energy Research Alliance (EERA) Joint Programme for Nuclear Materials (JPNM); this supports the European Technology Platform on Sustainable Nuclear Energy (SNETP), which defines the European vision on both the role of nuclear energy and R&D needs for nuclear fission technology. Prof. Marrow is an independent member of GTAC (Graphite Technical Advisory Committee) for the UK Office of Nuclear Regulation. Within the UK Research Council project Nuclear Universities Consortium for Learning, Engagement And Research: NUCLEAR (aka. “Nuclear Champion” project), he is part of the team that aims to facilitate effective and sustainable UK academic engagement in national and international nuclear research programmes, with a particular interest in Generation IV systems. In 2014 he was elected a Fellow of the European Structural Integrity Society (ESIS), and he is a member of Council for the UK Forum for Engineering Structural Integrity (FESI). Prof. Marrow’s research focuses on degradation of structural materials and the role of microstructure, investigating fundamental mechanisms of damage accumulation using novel materials characterisation techniques. He has pioneered imaging methods for quantification and observation of cracks in engineering materials. He has a particular interest in nuclear graphite, working closely with EDF Energy UK on the role of structural integrity and fracture at the micro-scale on life extension of the current AGR fleet. Prof. Marrow has established a close interaction with the Diamond Light Source synchrotron facility at the Rutherford Appleton Laboratory. This work has pioneered the three-dimensional characterisation of damage processes by tomography, diffraction and image correlation in energy and nuclear materials, supporting the validation of simulation tools to forward predict materials performance.