Effect of hydrogen charging on the corrosion behavior of a body-centered cubic FeCrV medium entropy alloy
Source abstract
Abstract
The effect of hydrogen on the corrosion behavior of FeCrV medium entropy alloy in a 0.5 M H 2SO 4 solution was studied by electrochemical methods. The composition change of the passive film was analyzed using X-ray photoelectron spectroscopy. The results shown that after hydrogen charging for 12 h, the anodic current density of FeCrV samples increased, while the polarization resistance exhibited an opposite trend from 1.4 × 10 4 to 5.9 × 10 3 Ω cm 2 , indicating a weakening of corrosion resistance. Moreover, the ratio of O 2- to OH - in passive film decreased from 0.92 to 0.53 after charging for 12 h.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: High Entropy Alloys Studies · High-Temperature Coating Behaviors · Corrosion Behavior and Inhibition
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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