H
Hans-Jürgen Engell
Researcher at Max Planck Society
Publications - 55
Citations - 1175
Hans-Jürgen Engell is an academic researcher from Max Planck Society. The author has contributed to research in topics: Corrosion & Electrochemistry. The author has an hindex of 15, co-authored 55 publications receiving 1116 citations.
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An electrochemical study of phase-transitions in rust layers
TL;DR: In this paper, isolated rust layers have been investigated by electrochemical methods to find out whether their reduction and re-oxidation can affect the atmospheric corrosion of iron, and the results showed that the reduced surface layer can be easily oxidized back to γ-FeOOH, magnetite can partly be oxidized to Fe 2 O 3.
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The anodic polarization curves of iron-nickel-chromium alloys
K. Osozawa,Hans-Jürgen Engell +1 more
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Investigations of the hydrogen evolution kinetics and hydrogen absorption by iron electrodes during cathodic polarization
TL;DR: In this paper, the kinetics of the electrochemical reduction of hydrogen ions or water molecules on iron electrodes have been investigated using the electropermeation technique, and the variation of permeation current density and cathodic potential with constant cathodic current density was measured in various solutions, without or with promoters.
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Potentiostatic study on the intergranular corrosion of an austenitic chromium-nickel stainless steel
TL;DR: In this paper, anodic polarization measurements on an 18:9 Cr-Ni stainless steel, subjected to sensitization heat treatments up to 1000 h at 650 °C and 750 °C, were made in deaerated sulphuric acid by aid of a potentiostat.