Characterisation of porous coatings formed on titanium under DC plasma electrolytic oxidationKrzysztof Rokosz, Tadeusz Hryniewicz, Sofia Gaiaschi, Patrick Chapon, Steinar Raaen, Łukasz Dudek, Kornel Pietrzak, Winfried Malorny and Radion CiupercaMATEC Web Conf., 178 (2018) 03009DOI: https://doi.org/10.1051/matecconf/201817803009