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Corrosion Resistant...
Corrosion Resistant TiTaN and TiTaAlN Thin Films Grown by Hybrid HiPIMS/DCMS Using Synchronized Pulsed Substrate Bias with No External Substrate Heating
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- Chipatecua Godoy, Yuri (författare)
- CINVESTAV, Mexico
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- Tengstrand, Olof (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Olaya Florez, Jairo (författare)
- Univ Nacl Colombia, Colombia
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- Petrov, Ivan (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Univ Illinois, IL 61801 USA; Univ Illinois, IL 61801 USA
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- Bustos, Erika (författare)
- CIDETEQ, Mexico
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- Hultman, Lars (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Herrera-Gomez, Alberto (författare)
- CINVESTAV, Mexico
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- Greene, Joseph E (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Univ Illinois, IL 61801 USA; Univ Illinois, IL 61801 USA; Natl Taiwan Univ Sci and Technol, Taiwan
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- Greczynski, Grzegorz (författare)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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(creator_code:org_t)
- 2019-12-09
- 2019
- Engelska.
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Ingår i: Coatings. - : MDPI. - 2079-6412. ; 9:12
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://www.mdpi.com...
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- Ti0.92Ta0.08N and Ti0.41Al0.51Ta0.08N thin films grown on stainless-steel substrates, with no external heating, by hybrid high-power impulse and dc magnetron sputtering (HiPIMS/DCMS), were investigated for corrosion resistance. The Ta target was operated in HiPIMS mode to supply pulsed Ta-ion fluxes, while two Ti (or Ti and Al) targets were operated in DCSM mode in order to provide a high deposition rate. Corrosion resistance was investigated using potentiodynamic polarization and electrochemical impedance spectroscopy employing a 3.5% NaCl solution at room temperature. The 300-nm-thick transition-metal nitride coatings exhibited good corrosion resistance due to film densification resulting from pulsed heavy Ta-ion irradiation during film growth. Corrosion protective efficiencies were above 99.8% for both Ti0.41Al0.51Ta0.08N and Ti0.92Ta0.08N, and pore resistance was apparently four orders of magnitude higher than for bare 304 stainless-steel substrates.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Korrosionsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Corrosion Engineering (hsv//eng)
Nyckelord
- HiPIMS; hard coatings; corrosion; TiTaN coatings; TiTaAlN coatings
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