Correlation Between K-value, Density Index and Bifilm Index in Determination of Liquid Al Cleanliness

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dc.authoridDispinar, Derya/0000-0001-9550-6933
dc.authoridTigli, Ahmet/0000-0001-7605-4222
dc.contributor.authorTigli, A.
dc.contributor.authorTokatli, M.
dc.contributor.authorUslu, E.
dc.contributor.authorColak, M.
dc.contributor.authorDispinar, D.
dc.date.accessioned2025-03-23T19:27:02Z
dc.date.available2025-03-23T19:27:02Z
dc.date.issued2023
dc.departmentSinop Üniversitesi
dc.description.abstractAluminum alloys are widely used in the industry thanks to its many advantages such as light weight and high strength. The use of this material in the market is increasing day by day with the developing technology. Due to the high energy inputs in the primary production, the use of secondary ingots by recycling from scrap material are more advantageous. However, the liquid metal quality is quite important in the use of secondary aluminum. It is believed that the quality of recycled aluminum is low, for this purpose, many liquid metal cleaning methods and test methods are used in the industry to assess the melt cleanliness level. In this study, it is aimed to examine the liquid metal quality in castings with varying temperature using K mold. A206 alloy was used, and the test parameters were selected as: (i) at 725 & DEG;C, 750 & DEG;C and 775 & DEG;C casting temperatures, (ii) different hydrogen levels. The hydrogen level was adjusted as low, medium and high with degassing, as-cast, and upgassing of the melt, respectively. The liquid metal quality of the cast samples was examined by the K mold technique. When the results were examined, it was determined that metal K values and the number of inclusions were high at the as-cast and up-gas liquid with increasing casting temperatures. It has been understood that the K mold technique is a practical method for the determination of liquid metal quality, if there is no reduced pressure test machine available at the foundry floor.
dc.identifier.doi10.24425/afe.2023.144311
dc.identifier.endpage29
dc.identifier.issn1897-3310
dc.identifier.issn2299-2944
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85175448766
dc.identifier.scopusqualityQ3
dc.identifier.startpage22
dc.identifier.urihttps://doi.org/10.24425/afe.2023.144311
dc.identifier.urihttps://hdl.handle.net/11486/4818
dc.identifier.volume23
dc.identifier.wosWOS:001044254400001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPolska Akad Nauk, Polish Acad Sciences
dc.relation.ispartofArchives of Foundry Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250323
dc.subjectA206 aluminum casting
dc.subjectK mold
dc.subjectLiquid metal cleaning
dc.subjectRPT
dc.subjectSecondary aluminum
dc.titleCorrelation Between K-value, Density Index and Bifilm Index in Determination of Liquid Al Cleanliness
dc.typeArticle

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