The effect of frequency of microarc oxidation on surface properties of 7075 aluminum alloys

Samet Serkan Bozkus, Murat Baydogan, Huseyin Cimenoglu, Eyup Sabri Kayali

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this study, thick ceramic coatings were fabricated by microarc oxidation on 7075 aluminum alloy in a KOH, Na2SiO3 solution. Micro arc oxidation was performed by using an AC power supply operating in Variable frequency 100 Hz between 160 Hz. Mechanical and physical properties were examined on the surface of the oxide film including hardness, wear resistance and surface roughness. Rockwell C testing was used to compare the relative adhesion characteristics of the oxide film. The surface morphology and structure was examined by SEM and X-ray diffractometer. The studied properties of the samples as a function of frequency were discussed.

Original languageEnglish
Title of host publicationTMS 2010 - 139th Annual Meeting and Exhibition - Supplemental Proceedings
Pages657-662
Number of pages6
Publication statusPublished - 2010
EventTMS 2010 - 139th Annual Meeting and Exhibition - Seattle, WA, United States
Duration: 14 Feb 201018 Feb 2010

Publication series

NameTMS Annual Meeting
Volume2

Conference

ConferenceTMS 2010 - 139th Annual Meeting and Exhibition
Country/TerritoryUnited States
CitySeattle, WA
Period14/02/1018/02/10

Keywords

  • Aluminum
  • Micro arc oxidation

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