The non-destructive 3-D characterization of pre-baked carbon anodes using X-ray computerized tomography

Angelique N. Adams, Ozgen Karacan, Avrami Grader, Jonathan P. Mathews, Phillip M. Halleck, Harold H. Schobert

Research output: Chapter in Book/Report/Conference proceedingConference contribution

24 Scopus citations


Carbon anodes represent about 25% of the production cost of aluminum, therefore quality control is of important to the smelting operation. Typical quality control methods involve testing cores from production and scrap anodes. The parameter of particular interest is density. The aim of this research is to determine the density profile of carbon anodes through a non-destructive analysis. X-ray computerized tomography (CT) is a technique that can determine the density of materials and represent the information visually at high resolution. A bench-scale green anode was scanned using X-ray CT, over the length of the anode. The anode was baked in an industrial laboratory and re-scanned at the same registration. The density data were converted into a series of images. The density difference between the green and baked sample is apparent. The presence of additional features such as localized areas of inadequate amounts of binder were also observed.

Original languageEnglish (US)
Title of host publicationLight Metals: Proceedings of Sessions, TMS Annual Meeting (Warrendale, Pennsylvania)
EditorsR Peterson
Number of pages5
StatePublished - 2002
Event131st TMS Annual Meeting - Seattle, WA, United States
Duration: Feb 17 2002Feb 21 2002


Other131st TMS Annual Meeting
Country/TerritoryUnited States
CitySeattle, WA

All Science Journal Classification (ASJC) codes

  • Metals and Alloys


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