Stress in aluminum induced by hydrogen absorption during cathodic polarization
Source abstract
Abstract
Abstract Hydrogen concentrations in metals during aqueous corrosion are influenced by absorption kinetics. In situ measurement of hydrogen-induced stress was used to characterize hydrogen absorption into aluminum thin films during cathodic polarization in sulfuric acid, in the presence of competing gas evolution. Absorption-induced compressive stress increased with decreasing potential, reaching levels indicating average H concentrations of 0.3 at.%. Dependences of stress on potential and scan rate suggested that rates of hydrogen desorption but not absorption were kinetically limited.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Hydrogen embrittlement and corrosion behaviors in metals · Metal and Thin Film Mechanics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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