Ingmar Bösing

5 Questions 6 Answers 0 Followers

Questions related from Ingmar Bösing

What is the conductivity of hematite (Fe2O3)?

Hi, I would like to know the conductivity of hematite - it is suprisingly hard to find. I would be happy over any answer with reference. Thanks Ingmar

01 August 2023 4,369 0 View

Will pitting corrosion occur at a passivated perfect stainless steel single crystal?

Imagine a perfect single crystal of stainless steel, no grain boundaries, no inclusions, perfect homogeneous chromium distribution. Now we passivate this crystal and form a homogeneous passive...

26 July 2023 7,460 7 View

The transpassive corrosion mechanism of Iron oxide? Mechanism of Passive film dissolution?

Hi everybody, I could find only very few articles on the transpassive corrosion behavior of iron. (Sato 1976, Kozlowski 1984)WITHOUT halide ions. Is it confirmed that the transpassive...

01 November 2021 1,079 2 View

Is it possible to make a qualitytive prediction of pitting corrosion from measurements?

Hi there, from LSV measurements it is possible to predict the corrosion rate of general corrosion by the tafel method and calculating the corrosion rate from the corrosion current. It is also...

06 October 2021 1,109 2 View

Why does corrosion starts at grain boundaries although the energy level of the surface free energy is higher than the energy of grain boundaries?

It is argued that corrosion starts at grain boundaries or other imperfections because of (amongst other things) the higher energy level compared to the bulk material. Also in grain boundary...

10 November 2017 4,147 5 View