TY  - CHAP
U1  - Konferenzveröffentlichung
A1  - Sorg, Matthias
A1  - Andresen, Elisa
A1  - Hör, Nikolas
A1  - Boskovic, Lazar
A1  - Braun, Andreas
T1  - Investigation of Corrosion Behaviour of Plastic Mould Steels Under Oxygen Free and Oxygen Saturated Conditions
T2  - Eurocorr2023, 27-31 August 2023, Brüssel, Belgien
N2  - Steels for plastic injection moulds are available in different alloy compositions. Mechanical properties, such as wear resistance and hardness, are the most important properties of these steels. Corrosion resistance of these steels is also an important property, which is why there are high-alloy steel compositions.
The cooling and temperature control systems for moulds have different types of fluid circuits. There are open and closed systems, which has a direct influence on the oxygen content in the fluid. There are also different types of water, such as hard and soft water, and different types of additives, for example biocides or corrosion inhibitors.
The aim of this work is to investigate the corrosion behaviour of various typical plastic mould steels under high and low oxygen conditions. With these results, a mould tempering device will be developed that controls the oxygen content in a closed water-based liquid system. If this is successful, chemical additives can be dispensed with and good corrosion behaviour can be achieved, even for low and unalloyed steels.
Steels with different chromium contents typical for this application were selected for the tests. Heat treatment was carried out in a typical way for these steels. Corrosion behaviour was measured by open circuit and potentiodynamic measurements in soft water at 50°C. Oxygen-free and oxygen-saturated conditions were investigated.
Y1  - 2023
U6  - https://nbn-resolving.org/urn:nbn:de:bsz:kon4-opus4-50470
UN  - https://nbn-resolving.org/urn:nbn:de:bsz:kon4-opus4-50470
SP  - 2
S1  - 2
ER  -