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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Advances in Surface Engineering V
Presentation Title Synthesis of Corrosion Resistant Hexagonal Boron Nitride Coatings on Iron Substrates by Pulsed Laser Deposition
Author(s) Venkata A.S. Kandadai, Venkata Ramana Gadhamshetty, Bharat K. Jasthi
On-Site Speaker (Planned) Venkata A.S. Kandadai
Abstract Scope Iron is commonly used in a wide range of applications, such as structures, automobiles, pipelines, and machinery components. However, mild steel is prone to aqueous corrosion when exposed to humidity and often requires a corrosion-resistant coating. Recently, hexagonal boron nitride (hBN) coatings grabbed significant interest because of their excellent anti-corrosion properties. This research aimed to examine the effect of a thickness (25nm, 50nm, and 100nm) of pulsed laser-deposited hBN coatings on the corrosion rate of iron. Microstructural characterization and phase identification of coatings was performed using scanning electron microscopy and RAMAN spectroscopy. Confocal laser scanning microscopy was used to characterize the surface roughness of the coatings, and preliminary results showed that surface roughness increased with an increase in the coating thickness. The electrochemical impedance spectroscopy and Tafel plots were used to evaluate the corrosion properties of hBN-coated iron substrates and were compared with bare substrates with no hBN coatings.
Proceedings Inclusion? Planned:

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N-7: Effect of Ultrasonic Impact Peening on Austenitic Stainless Steel Welds for Nuclear Canister Applications
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Peridynamic Simulation of Particles Impact and Bonding in Cold Spray with Tunable Adhesion
Single Step Sputtered Chromium Nitride Nano-clusters Coating for Enhanced Mechanical, Wetting and Corrosion Protection Properties
Synthesis of Corrosion Resistant Hexagonal Boron Nitride Coatings on Iron Substrates by Pulsed Laser Deposition
Understanding the Tribo-Corrosion Mechanisms of Laser Processed Steel Deposited by High Deposition Rate Cold Spray Additive Manufacturing Process

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