Mechanical Properties and Corrosion Resistance of Hard β-W based CVD Coatings in Aqueous NaCl Solution

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The paper presents the results of studying the mechanical and anticorrosive properties of coatings based on the metastable tungsten phase (β-W) obtained by means of low-temperature chemical vapor deposition from fluorine-containing media. Corrosion studies in a 5% aqueous solution of NaCl showed that the general corrosion rate of W-based coatings reaches the value of 60 μm/year. The positive correlation between the corrosion rate of coatings and their hardness indicates a significant effect of the stressed state of the coatings on their corrosion behavior.

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Analytical measurements were carried out on the equipment provided by CKP FMI IPCE RAS.

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Correspondence to V. V. Dushik.

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Dushik, V.V., Redkina, G.V., Rozhanskii, N.V. et al. Mechanical Properties and Corrosion Resistance of Hard β-W based CVD Coatings in Aqueous NaCl Solution. Prot Met Phys Chem Surf 55, 1341–1344 (2019) doi:10.1134/S2070205119070037

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  • chemical vapor deposition
  • CVD
  • tungsten
  • corrosion