Accelerated rust stabilization for weathering steels via a high-throughput approach
Source abstract
Abstract
Accelerated stabilization of weathering steel (WS) to develop a dense protective rust layer remains challenging during outdoor exposure. This study proposes a new stabilization treatment agent (STA) for Q420 WS, with appropriate composition and concentration determined through high-throughput droplet microarray screening and multi-channel electrochemical testing. The STA formulation of 1 g/L Na 2WO 4 + 1 g/L Na 2MoO 4 facilitates the transformation of unstable γ-FeOOH phase into stable α-FeOOH phase. The enrichment of Mo in outer rust layer and that of W in inner layer reduce the microdefects, suppress the penetration of aggressive media, and remarkably improve the corrosion resistance.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Microstructure and Mechanical Properties of Steels · Metallurgical Processes and Thermodynamics · Hydrogen embrittlement and corrosion behaviors in metals
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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