Dense Cr/GLC multilayer coating by HiPIMS technique in high hydrostatic pressure: Microstrusctural evolution and galvanic corrosion failure
Source abstract
Abstract
The dense Cr/GLC multilayer coatings were fabricated by high power impulse magnetron sputtering (HiPIMS) with various duty cycles. HiPIMS-deposited GLC coatings with high density displayed the lower corrosion current density by five times than DC- deposited GLC, due to the higher C + ionization rate and larger incident ions energy. Noted that, after 425 h immersion with 15 MPa, though a laminar-like spallation occurred in the Cr/GLC interfaces instead of the coating/substrate interfaces, the lower galvanic corrosion current density was particularly achieved at 2.04 × 10 −9 A·cm −2 for the HiPIMS-coatings with reduced porosity, emulating an excellent tolerance of long-term corrosion resistance for deep-sea.
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Research context
OpenAlex topics: Metal and Thin Film Mechanics · Diamond and Carbon-based Materials Research · Ion-surface interactions and analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (47)
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