Einfluß von Molybdän und Aushärtungsgrad auf die Korrosionseigenschaften chromlegierter martensitaushärtender Stähle

Influence of molybdenum and degree of hardening on the corrosion properties of chromium alloyed maraging steels The influence of intermetallic precipitations on the corrosion resistance of maraging chromium alloyed steels with various molybdenum contents has been studied by tracing potentiokinetic and potentiostatic current density/potential curves. It has been shown that the passivation current density and the passive current density are measures of the corrosion resistance. Hardening times yielding maximum strength result in an increased dissolution current density; in this context increased molybdenum contents displace the increase of the current density toward longer times. Corrosion tests in artificial seawater distinctly show the positive influence of molybdenum which displaces the rapture potential toward more nobel values.