Bulk Al-Al9Co2 alloys: Microstructure, corrosion behavior and hydrogen evolution kinetics
Source abstract
Abstract
Two Al alloys with 1 and 3 at% Co were prepared by arc-melting of Al and Co in argon. The corrosion behavior of the as-cast alloys was studied in a NaOH aqueous solution (0.01 M). Furthermore, a hydrogen evolution was investigated by volumetric measurements. The results were compared with pure Al. The alloy with 1% Co was the least corrosion resistant and evolved most hydrogen. The presence of Al 9Co 2 in the eutectic facilitated hydrogen evolution and contributed to corrosion activation. The results can be used for the design of Al-Co alloys for hydrogen generation.
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Research context
OpenAlex topics: Aluminum Alloy Microstructure Properties · Hydrogen Storage and Materials · Corrosion Behavior and Inhibition
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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