• Visit of Prof. Hitoshi…

    “It is an excellent opportunity for MHI to send young engineers to work at the MAI, as it is a world-class…

  • CNNC Group Visits…

    On 22nd July 2015, a delegation from CNNC Group (China National Nuclear Corporation) visited the MAI. CNNC…

  • New corrosion laboratories…

    As part of the MAI, EDF decided to invest in the modernization and creation of additional research facilities…

  • The next MAI workshops

    Next workshops will soon be online. Know more about previous workshops at the MAI

  • Handbook of material…

    The Materials Ageing Institute is proud and pleased to announce the publication of the book entitled…

  • Workshop on PWR…

    On 12 and 13th October 2015, about 25 international experts participated to the MAI workshop on PWR Silver…

  • Supporting long term operation

    By 2020, one third of the world’s nuclear fleet will be 40 or more years old. In 2030, this figure will increase to 80%. Since short term replacement of current generation capacity without a massive increase in CO2 emission is not technically feasible, ensuring the safety of nuclear plant operations beyond 40 years is currently considered to be the best option.
    In 2008 EDF proposed to other plant operators to found the Materials Ageing Institute (MAI), on the belief that sharing research, experimental results, feedback and scientific information on materials degradation can contribute significantly to the long term operability and life extension of power plants and, more specifically, nuclear plants. Management of nuclear power plant ageing is increasingly considered to be a key energy challenge worldwide.

    The MAI addresses this crucial issue from an applied research and development (R&D) perspective. By teaming up with utilities and related industries as well as academic partners, the MAI is able to combine operational expertise and theoretical knowledge, and to apply experiments and computer modelling to the understanding of the ageing process in materials and components. Since establishment of the MAI in 2008 by the world’s largest nuclear power plant operator, EDF, other nuclear plant operators and organizations have joined the Institute.
    In 2013, eleven members include the Tokyo Electric Power Company (TEPCO, Japan), Kansai Electric Power Company (KEPCO, Japan), the US Electric Power Research Institute (EPRI), EDF Energy (United Kingdom), CGNPC (China), Rosenergoatom (REA, Russia), Mitsubishi Heavy Industries (MHI, Japan), Central Research Institute of Electric Power Industry (CRIEPI, Japan), Areva (France) and the french Atomic Energy Commission (CEA, France).


    SHERLOCK Advisory Board [+]


    ICONE23 International Conference, Japan [+]


    TPRI Visit at the MAI [+]



    CGN – MAI Technical Seminar in China [+]


    Governing Board meeting The GB representatives approved the 2015 programme and budget. [+]


    NPC EPRI in Nashville, Tennessee [+]


    Programme Committee meeting [+]

    brochure du MAI 2015

    Read the MAI brochure

    View the calendar

    Recent highlights

    Improving stress corrosion cracking simulation

    The MAI significantly contributed to the understanding and the quantification of Stress Corrosion Cracking (SCC)... [+]

    FAC of carbon steel in the feedwater system: Behaviour of welds and weld assemblies

    MAI and CRIEPI have successfully improved the understanding of welds and weld assemblies’ behaviour... [+]

    First reproduction of Steam Generator tubes re-fouling after chemical cleaning in PWR conditions

    First tests on fouling SG tubes in the new module of the FORTRAND loop were successfully conducted... [+]

    Successfull Reproduction of “hard sludge” in representatives SG conditions

    The study of the interactions between oxides, magnetite, alumina and silica, at 275°C, showed that... [+]