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Downscaled anodic oxidation process for aluminium in oxalic acid
Institute of Materials Science and Engineering, Chemnitz University of Technology, Chemnitz, Germany.ORCID-id: 0000-0002-7120-1489
Vise andre og tillknytning
2017 (engelsk)Inngår i: IOP Conference Series: Materials Science and Engineering, Institute of Physics Publishing (IOPP), 2017, Vol. 181, nr 1, artikkel-id 012044Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The increasing multi-functionality of parts and assemblies in several fields of engineering demands, amongst others, highly functionalised surfaces. For the different applications, on the one hand, there is a need to scale up surface modification processes originating in the nano- and micro-scale. On the other hand, conventional macro-scale surface refinement methods offer a huge potential for application in the said nano- and micro-scale. The anodic oxidation process, which is established especially for aluminium and its alloys, allows the formation of oxide ceramic layers on the surface. The build-up of an oxide ceramic coating comes along with altered chemical, tribological and electrical surface properties. As a basis for further investigations regarding the use of the anodic oxidation process for micro-scale-manufacturing, the scale effects of oxalic acid anodising on commercially pure aluminium as well as on the AlZn5.5MgCu alloy are addressed in the present work. The focus is on the amount of oxide formed during a potentiostatic process in relation to the exchanged amount of charge. Further, the hardness of the coating as an integral measure to assess the porous oxide structure is approached by nano-indentation technique. 

sted, utgiver, år, opplag, sider
Institute of Physics Publishing (IOPP), 2017. Vol. 181, nr 1, artikkel-id 012044
Serie
IOP Conference Series: Materials Science and Engineering, ISSN 1757-8981 ; Volume 181, Issue 1
Emneord [en]
Aluminum, Aluminum alloys, Ceramic coatings, Ceramic materials, Indentation, Organic acids, Oxalic acid, Oxidation, Oxidation resistance, Oxides, Surface treatment, Aluminium and its alloys, Multifunctionality, Nanoindentation techniques, Oxidation process, Oxide ceramic coating, Potentiostatic process, Surface modification process, Surface refinement, Anodic oxidation
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Identifikatorer
URN: urn:nbn:se:hj:diva-51166DOI: 10.1088/1757-899X/181/1/012044ISI: 000400257700069Scopus ID: 2-s2.0-85016554629OAI: oai:DiVA.org:hj-51166DiVA, id: diva2:1507543
Konferanse
19th Chemnitz Seminar on Materials Engineering, 16 March 2017 through 17 March 2017
Tilgjengelig fra: 2020-12-08 Laget: 2020-12-08 Sist oppdatert: 2020-12-08bibliografisk kontrollert

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Sieber, Maximilian

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