期刊
ACS APPLIED NANO MATERIALS
卷 4, 期 11, 页码 12024-12033出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsanm.1c02590
关键词
hexagonal boron nitride; corrosion protection; oxidation resistance; nanofilms; direct growth; stainless steel
资金
- National Natural Science Foundation of China [51872113, 52072140]
- Foundation of Jilin Educational Committee [JJKH20190120KJ]
- Foundation of Jilin Development and Reform Commission [2019C035-4]
The direct growth of hexagonal boron nitride (h-BN) nanofilms on stainless steel (ss304) using the magnetron sputtering method serves as an effective barrier coating for protection in corrosive environments. These nanofilms, with a highly densified morphology and hydrophobic surface, exhibit excellent oxidation resistance at high temperatures and enhanced anticorrosion performance compared to bare ss304. The results suggest that h-BN nanofilms hold great promise for long-term corrosion protection and antioxidation of steel surfaces in practical applications.
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, similar to 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 degrees 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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