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A High Throughput Aqueous Passivation Testing Methodology for Compositionally Complex Alloys using Scanning Droplet Cell

Published

Author(s)

Debashish Sur, Jason Hattrick-Simpers, Howie Joress, John Scully

Abstract

Compositionally complex alloys containing four or more principal elements provide an opportunity to explore a wide range of compositions, processing, and microstructural variables to find new materials with unique properties. In particular, the discovery of novel alloys that form self-healing, protective passivating films is of substantial interest. Probing experimentally a robust landscape of such alloys requires the utilization of high-throughput electrochemical methods to uncover key differences, ideally captured by discriminating metrics, indicative of superior properties. Herein, a methodology is demonstrated using a scanning droplet cell for a rapid passivation behavior evaluation of Al0.7-x-yCoxCryFe0.15Ni0.15 combinatorial alloy library in 0.1 mol l−1 H2SO4(aq).
Citation
Journal of the Electrochemical Society
Volume
170

Citation

Sur, D. , Hattrick-Simpers, J. , Joress, H. and Scully, J. (2023), A High Throughput Aqueous Passivation Testing Methodology for Compositionally Complex Alloys using Scanning Droplet Cell, Journal of the Electrochemical Society, [online], https://doi.org/10.1149/1945-7111/aceeb8, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=936510 (Accessed July 22, 2024)

Issues

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Created August 29, 2023, Updated September 20, 2023