Mechanical Properties and Corrosion Resistance of Hard β-W based CVD Coatings in Aqueous NaCl Solution
2019
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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