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Wear-resistant coat...
Wear-resistant coatings on aluminium produced by plasma anodising - A correlation of wear properties, microstructure, phase composition and distribution
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- Sieber, Maximilian (författare)
- Chemnitz University of Technology, Institute of Materials Science and Engineering, Chemnitz, Germany
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Mehner, T. (författare)
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Dietrich, D. (författare)
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Alisch, G. (författare)
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Nickel, D. (författare)
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Meyer, D. (författare)
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Scharf, I. (författare)
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Lampke, T. (författare)
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(creator_code:org_t)
- Elsevier, 2014
- 2014
- Engelska.
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Ingår i: Surface & Coatings Technology. - : Elsevier. - 0257-8972 .- 1879-3347. ; 240, s. 96-102
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In the recent decades, various process windows have been found for plasma anodising of aluminium surfaces to produce wear-resistant alumina coatings. The coatings offer a high hardness and provide an excellent bonding to the substrate material, thus preventing spallation under mechanical or tribological load. In the present study, coatings with a high abrasive wear resistance and a hardness of up to 12GPa were produced in an electrolyte of 5g/l sodium metasilicate and 5g/l potassium hydroxide at a current density of 30A/dm2. To understand the reasons for the high wear resistance, the morphology as well as the phase composition and distribution within the coating were examined globally and locally using X-ray diffraction with conventional and grazing incidence and electron backscatter diffraction. The analyses show that the coating globally is comprised of approximately one third of α-alumina, one third of γ-alumina and one third of amorphous alumina with locally varying phase content.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Nyckelord
- Electron backscatter diffraction analysis
- Phase analysis
- Plasma anodising
- Wear
- X-ray diffraction
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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