DataVXAdvanced MaterialsPaper
journal article·2021-12Open access

Corrosion Resistance of Sulfur–Selenium Alloy Coatings

Sandhya Susarla, Govinda Chilkoor, Jawahar R. Kalimuthu, M. A. S. R. Saadi, Yufei Cui, Taib Arif, Thierry Tsafack, Anand B. Puthirath, Pawan Sigdel, Bharat Jasthi, Parambath M. Sudeep, Leiqing Hu, Aly Hassan, Samuel Castro‐Pardo, Morgan Barnes, Soumyabrata Roy, Rafael Verduzco, Md Golam Kibria, Tobin Filleter, Haiqing Lin, Santiago D. Solares, Nikhil Koratkar, Venkataramana Gadhamshetty, Muhammad M. Rahman, Pulickel M. Ajayan

Advanced Materials· Volume 33· Issue 51
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Source abstract

Abstract

Abstract Despite decades of research, metallic corrosion remains a long‐standing challenge in many engineering applications. Specifically, designing a material that can resist corrosion both in abiotic as well as biotic environments remains elusive. Here a lightweight sulfur–selenium (S–Se) alloy is designed with high stiffness and ductility that can serve as an excellent corrosion‐resistant coating with protection efficiency of ≈99.9% for steel in a wide range of diverse environments. S–Se coated mild steel shows a corrosion rate that is 6–7 orders of magnitude lower than bare metal in abiotic (simulated seawater and sodium sulfate solution) and biotic (sulfate‐reducing bacterial medium) environments. The coating is strongly adhesive, mechanically robust, and demonstrates excellent damage/deformation recovery properties, which provide the added advantage of significantly reducing the probability of a defect being generated and sustained in the coating, thus improving its longevity. The high corrosion resistance of the alloy is attributed in diverse environments to its semicrystalline, nonporous, antimicrobial, and viscoelastic nature with superior mechanical performance, enabling it to successfully block a variety of diffusing species.
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Research context

Metals & alloys

OpenAlex topics: High Entropy Alloys Studies · Corrosion Behavior and Inhibition · High-Temperature Coating Behaviors

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Materials Science and NanoEngineering Rice University Houston TX 77005 USA

Department of Civil and Environmental Engineering South Dakota School of Mines and Technology Rapid City SD 57701 USA

Department of Bioengineering Rice University Houston TX 77005 USA

Department of Mechanical and Industrial Engineering University of Toronto Ontario M5S 3G8 Canada

Department of Chemical and Biological Engineering University at Buffalo The State University of New York Buffalo NY 14260 USA

Department of Chemistry Rice University Houston TX 77005 USA

Department of Chemical and Biomolecular Engineering Rice University Houston TX 77005 USA

Department of Chemical and Petroleum Engineering University of Calgary Alberta T2N 1N4 Canada

Department of Mechanical and Aerospace Engineering The George Washington University Washington DC 20052 USA

Department of Mechanical Aerospace and Nuclear Engineering Rensselaer Polytechnic Institute Troy NY 12180 USA

Department of Materials Science and Engineering Rensselaer Polytechnic Institute Troy NY 12180 USA

2D materials for Biofilm Engineering Science and Technology (2D‐BEST) South Dakota School of Mines and Technology Rapid City SD 57701 USA

Funding

National Science Foundation

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