Formation of zero-valent copper film during corrosion of carbon steel in aqueous drilling fluids
Source abstract
Abstract
The corrosion of carbon steels, including AISI 1018, API 5L Grade X65, and API 5CT P110, in aqueous drilling fluids was examined at 70 °C under both aerobic and anaerobic conditions. The corrosion behavior of these steels in aqueous drilling fluids is fundamentally different from that in brine (3 wt% NaCl) solutions due to the formation of a zero-valent copper-enriched film, which accelerates corrosion through galvanic mechanisms. The mechanism of copper film formation is proposed, and the key roles of metal composition, flow conditions, clay and barite microparticles, polymeric viscosifier, and oxygen scavengers in the reduction of Cu 2+ at the steel electrode are identified.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Electrodeposition and Electroless Coatings · Hydrogen embrittlement and corrosion behaviors in metals
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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