Ensuring data quality for environmental fatique - INCEFA-PLUS testing procedure and data evaluation

Research output: Contribution to report/book/conference proceedingsIn-proceedings paperpeer-review


  • Marc Vankeerberghen
  • Matthias Bruchhausen
  • Román Cicero
  • Luc Doremus
  • Jean-Christophe Le Roux
  • Norman Platts
  • Philippe Spätig
  • Marius Twite
  • Kevin Mottershead

Institutes & Expert groups

  • Framatome
  • Woods Plc - John Wood Group Plc
  • PSI - Paul Scherrer Institute
  • Rolls-Royce Plc
  • JRC - Joint Research Centre
  • Universidad de Cantabria - Inesco Ingenieros - Centro de Desarrollo Tecnológico
  • EDF - Electricité de France

Documents & links



INCEFA-PLUS stands for INcreasing safety in nuclear power plants by Covering gaps in Environmental Fatigue Assessment. It is a five year project supported by the European Commission HORIZON2020 program that commenced in mid-2015 and in which sixteen organizations from across Europe participate. Specifically, the effects of mean strain/stress, hold time, strain amplitude and surface finish on fatigue life of austenitic stainless steels in light water reactor environments are being studied, these being issues of common interest to all participants. The project will develop proposals for improvements to methods for environmental fatigue assessment of nuclear plant components. Therefore, extensive testing capacity is being solicited in various laboratories across Europe in order to add to the existing amount of published data on environmentally assisted fatigue. Since there currently is no standard on environmental fatigue testing, it was imperative to come up with and agree upon a testing procedure within the consortium to minimize lab-to-lab variations in test results. This was done prior to the first phase of testing, but an update of the procedure was required after review of initial results, when additional potential lab-to-lab differences were identified. The current status of the so-called test protocol, and the key areas of difference found between different testing facilities, will be discussed. Due to the large test matrix within INCEFA-PLUS, distributed amongst various test laboratories, it has been necessary to develop a method to assign a data quality level to each test result, and a minimum data quality requirement for results that will be included in the project’s datasets used for analysis. Furthermore, the project has triggered international interest in facilitating mutual data access, and this requires data is gathered in a common database with data quality ratings applied. Ways to address the evaluation of data quality will be discussed. In a way, both activities, on a test protocol and on data review, jointly contribute to data quality by, respectively, ensuring a pre-test, common test procedure and a post-test, harmonized data evaluation. The large number of participants in the INCEFA-PLUS project presents a unique opportunity to gain consensus on light water reactor environment fatigue testing procedures and data quality assessment from experts working in a range of different organizations. The test protocol and data quality ratings developed within the INCEFA-PLUS project could be adopted by other organizations, or possibly used as the basis for future testing standards documents to harmonize approaches across the nuclear industry.


Original languageEnglish
Title of host publicationProceedings of the ASME pressure vessels and piping conference
PublisherASME - The American Society of Mechanical Engineers
Number of pages7
ISBN (Print)978-0-7918-5158-6
Publication statusPublished - 15 Jul 2018
Event2018 - ASME Pressure Vessels & Piping Conference - Hilton, Prague, Czech Republic
Duration: 15 Jul 201820 Jul 2018


Conference2018 - ASME Pressure Vessels & Piping Conference
Country/TerritoryCzech Republic
OtherPromoting Excellence in the Global Pressure Vessel and Piping Industry Join us in Prague, Czech Republic for a the ASME Pressure Vessels & Piping Conference (PVP). More than 180 paper and panel sessions are planned, as well as tutorials, a Technology Demonstration Forum, and the 25th Rudy Scavuzzo Student Paper Symposium and Competition. The ASME 2018 PVP Conference promises to be the outstanding international technical forum for participants to further their knowledge-base by being exposed to diverse topics, and exchange opinions and ideas both from industry and academia in a variety of topics related to Pressure Vessel and Piping technologies for the Power and Process Industries. The PVP Conference is a great place to exchange ideas and to meet colleagues as we all work to create and advance Pressure Vessels and Piping technologies for our global community of practice. The PVP Conference is a recognized forum for fruitful exchange of ideas with participants from over 40 countries in Europe, Africa, the Middle East, Asia, the Americas, and the Oceania islands.
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