High-temperature oxidation behavior of Ti2AlNb alloy with PEO/hBN composite coating at 1000 °C

Wang, Shuaixing; Liu, Xin; Yin, Xiaole; Zhang, Bangyan; Du, Na

doi:10.1016/j.surfcoat.2020.126473

Cited by 16 publications

(1 citation statement)

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“…13 Hexagonal boron nitride (h-BN), a layered two-dimensional electrical insulator, exhibits extraordinary high-temperature stability, oxidation resistance, and excellent chemical inertness, 14 making it a promising candidate as a protective coating, especially used in harsh environments where other materials cannot be used. Attempts at using h-BN nanomaterials as additives have demonstrated an improved high-temperature resistance of the metal alloy matrix 15 and the corrosion resistance of galvanized steel. 16 Alternatively, the most straightforward way is to deposit the h-BN layer directly on the realistic substrate surfaces, particularly ensuring good adhesion, exceptional transparency, being free of galvanic corrosion, and strong impermeability.…”

Section: Introductionmentioning

confidence: 99%

Direct Growth of Hexagonal Boron Nitride Nanofilms on Stainless Steel for Corrosion Protection

Tang

Wang

Liu

et al. 2021

ACS Appl. Nano Mater.

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Protection of stainless steel from water, oxygen, and chloride ions is of crucial importance for diverse industrial fields; yet, it remains challenging to develop a proper solution with improved corrosion and oxidation resistance for long-term service durability. Here, we demonstrate the direct growth of hexagonal boron nitride (h-BN) nanofilms on the surface of stainless steel (ss304) by the magnetron sputtering method, serving as barrier coatings for protection in a corrosive environment. The obtained h-BN nanofilms are ∼200 nm in thickness, with a highly densified morphology, converting the hydrophilic surface of ss304 to a hydrophobic surface. These films exhibit excellent oxidation resistance at 600 °C in the atmosphere and enhanced anticorrosion performance as compared to the bare ss304. Moreover, they show robust and stable corrosion resistance when immersed in a 3.5 wt % NaCl electrolyte for over 10 weeks. The results suggest that the direct growth of h-BN nanofilms on ss304 holds great promise for corrosion inhibition and antioxidation of steel, therefore offering a feasible and effective route for long-term corrosion protection concerning practical applications of h-BN on industry-relevant surfaces.

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Section: Introductionmentioning

confidence: 99%