Microbially induced corrosion of D9 stainless steel–zirconium metal waste form alloy under simulated geological repository environment
Source abstract
Abstract
Abstract Metal waste form (MWF) alloy specimens were exposed to Bacillus sp. and Pseudomonas sp. cultured in simulated Kalpakkam and Rajasthan ground water media to study the microbially induced corrosion. Total viable count and epifluorescence microscopic results showed good bacterial attachment on MWF surface. Scanning electron microscopy and atomic force microscopy studies on etched MWF surfaces showed preferential bacterial adhesion on the Zr-rich intermetallic phases. Potentiodynamic polarization experiments showed active corrosion potential and higher current density for biofilmed surface. Electrochemical impedance spectroscopic study showed passive film weakening under the biofilm. Corrosion effect of Pseudomonas sp. is comparatively more than Bacillus sp.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Hydrogen embrittlement and corrosion behaviors in metals · Metal Extraction and Bioleaching
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (42)
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