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Automated quantification of SiC-particles in solidified A356 aluminium using ImagePro® plus 7.0
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Process Science.
2013 (English)In: TMS Annu Meet, 2013, 69-77 p.Conference paper (Refereed)
Abstract [en]

The quantitative particle concentration can give important information about the cleanliness of melts for quality control in primary and secondary production of aluminum. Manual quantification of the particle concentration is normally a time consuming process and human control can bias the acquired images and particle count. The present paper explains the automated image-processing steps for the quantification of SiC-particles, with equivalent diameters from 2 to 25 μm, in solidified A356. A total of 700 micrographs, acquired with a standard white light microscope with 10 x magnification, were analyzed. The applied software (Image Pro-Plus 7.0 from MediaCybernetics®) allows for programming of macros which in turn provides the user with a higher degree of control. The automated results are compared with the results obtained by manually counting the particles in the same micrographs. The impact of the automated results on the estimated filtration efficiency was established to be only ∼3%.

Place, publisher, year, edition, pages
2013. 69-77 p.
, TMS Annual Meeting
Keyword [en]
Automation, Image processing, ImagePro® plus 7.0, Melt quality, Particle counting, Degree of control, Equivalent diameter, Filtration efficiency, Particle concentrations, Particle counts, Secondary production, Aluminum, Characterization, Exhibitions, Filtration, Silicon carbide
National Category
Materials Engineering
URN: urn:nbn:se:kth:diva-134643ScopusID: 2-s2.0-84876453920ISBN: 9781118605646OAI: diva2:678431
Characterization of Minerals, Metals, and Materials 2013 - TMS 2013 Annual Meeting and Exhibition, 3 March 2013 through 7 March 2013, San Antonio, TX

QC 20131212

Available from: 2013-12-12 Created: 2013-11-27 Last updated: 2013-12-12Bibliographically approved

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Aune, Ragnhild Elizabeth
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