Hudak OE, Bahr A, Kutrowatz P, Wojcik T, Bohrn F, Solyom L, Schuster R, Shang L, Hunold O, Polcik P, Heller M, Felfer P, Ball G, Riedl H (2023)
Publication Type: Journal article
Publication year: 2023
Book Volume: 211
DOI: 10.1016/j.corsci.2022.110901
Pitting corrosion of sputtered and arc evaportaed fcc-AlCrN coated low-alloy steel substrates was studied in a 0.1 M NaCl solution, using a three-electrode-cell. Depending on the deposition technique, several diffusion mechanisms were identified by high-resolution techniques (i.e. APT, TOF-SIMS). For arc evaporated AlCrN, incoherently embedded macro-particles provided the majority of fast-track diffusion pathways and pit-initiation sites, while their pristine coating matrix proved protective against chloride inward diffusion. Contrarily, the more coarse-grained sputtered AlCrN morphology with a highly orientated crystal growth featured diffusion paths along column boundaries, where chloride permeated the coating structure and initiated pit formations at the coating-substrate interface.
APA:
Hudak, O.E., Bahr, A., Kutrowatz, P., Wojcik, T., Bohrn, F., Solyom, L.,... Riedl, H. (2023). Pitting corrosion-Preferred chloride diffusion pathways in physical vapor deposited AlCrN coatings. Corrosion Science, 211. https://doi.org/10.1016/j.corsci.2022.110901
MLA:
Hudak, O. E., et al. "Pitting corrosion-Preferred chloride diffusion pathways in physical vapor deposited AlCrN coatings." Corrosion Science 211 (2023).
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