Evaluation of cobalt free coatings as hardfacing material candidates in sodium-cooled fast reactor and effect of oxygen in sodium on the tribological behaviourFabien Rouillard, Brigitte Duprey, Jean-Louis Courouau, Raphaël Robin, Pascal Aubry, Cécile Blanc, Michel Tabarant, Hicham Maskrot, Laetitia Nicolas, Martine Blat-Yrieix, Gilles Rolland and Thorsten MarlaudEPJ Nuclear Sci. Technol., 5 (2019) 10DOI: https://doi.org/10.1051/epjn/2019025